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Merge 4.4.97 into android-4.4
Changes in 4.4.97
ALSA: timer: Add missing mutex lock for compat ioctls
ALSA: seq: Fix nested rwsem annotation for lockdep splat
cifs: check MaxPathNameComponentLength != 0 before using it
KEYS: return full count in keyring_read() if buffer is too small
KEYS: fix out-of-bounds read during ASN.1 parsing
ASoC: adau17x1: Workaround for noise bug in ADC
arm64: ensure __dump_instr() checks addr_limit
ARM: dts: mvebu: pl310-cache disable double-linefill
ARM: 8715/1: add a private asm/unaligned.h
ocfs2: fstrim: Fix start offset of first cluster group during fstrim
perf tools: Fix build failure on perl script context
drm/msm: Fix potential buffer overflow issue
drm/msm: fix an integer overflow test
tracing/samples: Fix creation and deletion of simple_thread_fn creation
Fix tracing sample code warning.
PM / wakeirq: report a wakeup_event on dedicated wekup irq
mmc: s3cmci: include linux/interrupt.h for tasklet_struct
ARM: pxa: Don't rely on public mmc header to include leds.h
mfd: ab8500-sysctrl: Handle probe deferral
mfd: axp20x: Fix axp288 PEK_DBR and PEK_DBF irqs being swapped
staging: rtl8712u: Fix endian settings for structs describing network packets
ext4: fix stripe-unaligned allocations
ext4: do not use stripe_width if it is not set
i2c: riic: correctly finish transfers
drm/amdgpu: when dpm disabled, also need to stop/start vce.
perf tools: Only increase index if perf_evsel__new_idx() succeeds
cx231xx: Fix I2C on Internal Master 3 Bus
xen/manage: correct return value check on xenbus_scanf()
scsi: aacraid: Process Error for response I/O
platform/x86: intel_mid_thermal: Fix module autoload
staging: lustre: llite: don't invoke direct_IO for the EOF case
staging: lustre: hsm: stack overrun in hai_dump_data_field
staging: lustre: ptlrpc: skip lock if export failed
exynos4-is: fimc-is: Unmap region obtained by of_iomap()
mei: return error on notification request to a disconnected client
s390/dasd: check for device error pointer within state change interrupts
bt8xx: fix memory leak
xen: don't print error message in case of missing Xenstore entry
staging: r8712u: Fix Sparse warning in rtl871x_xmit.c
Linux 4.4.97
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
commit b581c01fff646b5075d65359c8667de9c667da9e upstream.
On my Archlinux machine, perf faild to build like below:
CC scripts/perl/Perf-Trace-Util/Context.o
In file included from /usr/lib/perl5/core/perl/CORE/perl.h:3905:0,
from Context.xs:23:
/usr/lib/perl5/core/perl/CORE/inline.h: In function :
/usr/lib/perl5/core/perl/CORE/cop.h:612:13: warning: declaration of 'av'
shadows a previous local [-Werror-shadow]
AV *av =3D GvAV(PL_defgv);
^
/usr/lib/perl5/core/perl/CORE/inline.h:526:5: note: in expansion of
macro 'CX_POP_SAVEARRAY'
CX_POP_SAVEARRAY(cx);
^~~~~~~~~~~~~~~~
In file included from /usr/lib/perl5/core/perl/CORE/perl.h:5853:0,
from Context.xs:23:
/usr/lib/perl5/core/perl/CORE/inline.h:518:9: note:
shadowed declaration is here
AV *av;
^~
What I did to fix is adding '-Wno-shadow' as the error message said it's
the cause of the failure. Since it's from the perl (not perf) code
base, we don't have the control so I just wanted to ignore the warning
when compiling perl scripting code.
Committer note:
This also fixes the build on Fedora Rawhide.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20160802024317.31725-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge 4.4.80 into android-4.4
Changes in 4.4.80
af_key: Add lock to key dump
pstore: Make spinlock per zone instead of global
net: reduce skb_warn_bad_offload() noise
powerpc/pseries: Fix of_node_put() underflow during reconfig remove
crypto: authencesn - Fix digest_null crash
md/raid5: add thread_group worker async_tx_issue_pending_all
drm/vmwgfx: Fix gcc-7.1.1 warning
drm/nouveau/bar/gf100: fix access to upper half of BAR2
KVM: PPC: Book3S HV: Context-switch EBB registers properly
KVM: PPC: Book3S HV: Restore critical SPRs to host values on guest exit
KVM: PPC: Book3S HV: Reload HTM registers explicitly
KVM: PPC: Book3S HV: Save/restore host values of debug registers
Revert "powerpc/numa: Fix percpu allocations to be NUMA aware"
Staging: comedi: comedi_fops: Avoid orphaned proc entry
drm/rcar: Nuke preclose hook
drm: rcar-du: Perform initialization/cleanup at probe/remove time
drm: rcar-du: Simplify and fix probe error handling
perf intel-pt: Fix ip compression
perf intel-pt: Fix last_ip usage
perf intel-pt: Use FUP always when scanning for an IP
perf intel-pt: Ensure never to set 'last_ip' when packet 'count' is zero
xfs: don't BUG() on mixed direct and mapped I/O
nfc: fdp: fix NULL pointer dereference
net: phy: Do not perform software reset for Generic PHY
isdn: Fix a sleep-in-atomic bug
isdn/i4l: fix buffer overflow
ath10k: fix null deref on wmi-tlv when trying spectral scan
wil6210: fix deadlock when using fw_no_recovery option
mailbox: always wait in mbox_send_message for blocking Tx mode
mailbox: skip complete wait event if timer expired
mailbox: handle empty message in tx_tick
mpt3sas: Don't overreach ioc->reply_post[] during initialization
kaweth: fix firmware download
kaweth: fix oops upon failed memory allocation
sched/cgroup: Move sched_online_group() back into css_online() to fix crash
PM / Domains: defer dev_pm_domain_set() until genpd->attach_dev succeeds if present
RDMA/uverbs: Fix the check for port number
libnvdimm, btt: fix btt_rw_page not returning errors
ipmi/watchdog: fix watchdog timeout set on reboot
dentry name snapshots
v4l: s5c73m3: fix negation operator
Make file credentials available to the seqfile interfaces
/proc/iomem: only expose physical resource addresses to privileged users
vlan: Propagate MAC address to VLANs
pstore: Allow prz to control need for locking
pstore: Correctly initialize spinlock and flags
pstore: Use dynamic spinlock initializer
net: skb_needs_check() accepts CHECKSUM_NONE for tx
sched/cputime: Fix prev steal time accouting during CPU hotplug
xen/blkback: don't free be structure too early
xen/blkback: don't use xen_blkif_get() in xen-blkback kthread
tpm: fix a kernel memory leak in tpm-sysfs.c
tpm: Replace device number bitmap with IDR
x86/mce/AMD: Make the init code more robust
r8169: add support for RTL8168 series add-on card.
ARM: dts: n900: Mark eMMC slot with no-sdio and no-sd flags
ipv6: Should use consistent conditional judgement for ip6 fragment between __ip6_append_data and ip6_finish_output
net/mlx4: Remove BUG_ON from ICM allocation routine
drm/msm: Ensure that the hardware write pointer is valid
drm/msm: Verify that MSM_SUBMIT_BO_FLAGS are set
vfio-pci: use 32-bit comparisons for register address for gcc-4.5
irqchip/keystone: Fix "scheduling while atomic" on rt
ASoC: tlv320aic3x: Mark the RESET register as volatile
spi: dw: Make debugfs name unique between instances
ASoC: nau8825: fix invalid configuration in Pre-Scalar of FLL
irqchip/mxs: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND
openrisc: Add _text symbol to fix ksym build error
dmaengine: ioatdma: Add Skylake PCI Dev ID
dmaengine: ioatdma: workaround SKX ioatdma version
dmaengine: ti-dma-crossbar: Add some 'of_node_put()' in error path.
ARM64: zynqmp: Fix W=1 dtc 1.4 warnings
ARM64: zynqmp: Fix i2c node's compatible string
ARM: s3c2410_defconfig: Fix invalid values for NF_CT_PROTO_*
ACPI / scan: Prefer devices without _HID/_CID for _ADR matching
usb: gadget: Fix copy/pasted error message
Btrfs: adjust outstanding_extents counter properly when dio write is split
tools lib traceevent: Fix prev/next_prio for deadline tasks
xfrm: Don't use sk_family for socket policy lookups
perf tools: Install tools/lib/traceevent plugins with install-bin
perf symbols: Robustify reading of build-id from sysfs
video: fbdev: cobalt_lcdfb: Handle return NULL error from devm_ioremap
vfio-pci: Handle error from pci_iomap
arm64: mm: fix show_pte KERN_CONT fallout
nvmem: imx-ocotp: Fix wrong register size
sh_eth: enable RX descriptor word 0 shift on SH7734
ALSA: usb-audio: test EP_FLAG_RUNNING at urb completion
HID: ignore Petzl USB headlamp
scsi: fnic: Avoid sending reset to firmware when another reset is in progress
scsi: snic: Return error code on memory allocation failure
ASoC: dpcm: Avoid putting stream state to STOP when FE stream is paused
Linux 4.4.80
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
[ Upstream commit 7934c98a6e04028eb34c1293bfb5a6b0ab630b66 ]
Markus reported that perf segfaults when reading /sys/kernel/notes from
a kernel linked with GNU gold, due to what looks like a gold bug, so do
some bounds checking to avoid crashing in that case.
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Report-Link: http://lkml.kernel.org/r/20161219161821.GA294@x4
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-ryhgs6a6jxvz207j2636w31c@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 30a9c6444810429aa2b7cbfbd453ce339baaadbf ]
Those are binaries as well, so should be installed by:
make -C tools/perf install-bin'
too.
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Daniel Bristot de Oliveira <bristot@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-3841b37u05evxrs1igkyu6ks@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 074859184d770824f4437dca716bdeb625ae8b1c ]
Currently, the sched:sched_switch tracepoint reports deadline tasks with
priority -1. But when reading the trace via perf script I've got the
following output:
# ./d & # (d is a deadline task, see [1])
# perf record -e sched:sched_switch -a sleep 1
# perf script
...
swapper 0 [000] 2146.962441: sched:sched_switch: swapper/0:0 [120] R ==> d:2593 [4294967295]
d 2593 [000] 2146.972472: sched:sched_switch: d:2593 [4294967295] R ==> g:2590 [4294967295]
The task d reports the wrong priority [4294967295]. This happens because
the "int prio" is stored in an unsigned long long val. Although it is
set as a %lld, as int is shorter than unsigned long long,
trace_seq_printf prints it as a positive number.
The fix is just to cast the val as an int, and print it as a %d,
as in the sched:sched_switch tracepoint's "format".
The output with the fix is:
# ./d &
# perf record -e sched:sched_switch -a sleep 1
# perf script
...
swapper 0 [000] 4306.374037: sched:sched_switch: swapper/0:0 [120] R ==> d:10941 [-1]
d 10941 [000] 4306.383823: sched:sched_switch: d:10941 [-1] R ==> swapper/0:0 [120]
[1] d.c
---
#include <stdio.h>
#include <unistd.h>
#include <sys/syscall.h>
#include <linux/types.h>
#include <linux/sched.h>
struct sched_attr {
__u32 size, sched_policy;
__u64 sched_flags;
__s32 sched_nice;
__u32 sched_priority;
__u64 sched_runtime, sched_deadline, sched_period;
};
int sched_setattr(pid_t pid, const struct sched_attr *attr, unsigned int flags)
{
return syscall(__NR_sched_setattr, pid, attr, flags);
}
int main(void)
{
struct sched_attr attr = {
.size = sizeof(attr),
.sched_policy = SCHED_DEADLINE, /* This creates a 10ms/30ms reservation */
.sched_runtime = 10 * 1000 * 1000,
.sched_period = attr.sched_deadline = 30 * 1000 * 1000,
};
if (sched_setattr(0, &attr, 0) < 0) {
perror("sched_setattr");
return -1;
}
for(;;);
}
---
Committer notes:
Got the program from the provided URL, http://bristot.me/lkml/d.c,
trimmed it and included in the cset log above, so that we have
everything needed to test it in one place.
Signed-off-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Daniel Bristot de Oliveira <bristot@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/866ef75bcebf670ae91c6a96daa63597ba981f0d.1483443552.git.bristot@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit f952eaceb089b691eba7c4e13686e742a8f26bf5 upstream.
Intel PT uses IP compression based on the last IP. For decoding purposes,
'last IP' is not updated when a branch target has been suppressed, which is
indicated by IPBytes == 0. IPBytes is stored in the packet 'count', so
ensure never to set 'last_ip' when packet 'count' is zero.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-7-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 622b7a47b843c78626f40c1d1aeef8483383fba2 upstream.
The decoder will try to use branch packets to find an IP to start decoding
or to recover from errors. Currently the FUP packet is used only in the
case of an overflow, however there is no reason for that to be a special
case. So just use FUP always when scanning for an IP.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-8-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit ee14ac0ef6827cd6f9a572cc83dd0191ea17812c upstream.
Intel PT uses IP compression based on the last IP. For decoding
purposes, 'last IP' is considered to be reset to zero whenever there is
a synchronization packet (PSB). The decoder wasn't doing that, and was
treating the zero value to mean that there was no last IP, whereas
compression can be done against the zero value. Fix by setting last_ip
to zero when a PSB is received and keep track of have_last_ip.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-6-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit e1717e0485af4f47fc4da1e979ac817f9ad61b0f upstream.
The June 2015 Intel SDM introduced IP Compression types 4 and 6. Refer
to section 36.4.2.2 Target IP (TIP) Packet - IP Compression.
Existing Intel PT packet decoder did not support type 4, and got type 6
wrong. Because type 3 and type 4 have the same number of bytes, the
packet 'count' has been changed from being the number of ip bytes to
being the type code. That allows the Intel PT decoder to correctly
decide whether to sign-extend or use the last ip. However that also
meant the code had to be adjusted in a number of places.
Currently hardware is not using the new compression types, so this fix
has no effect on existing hardware.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1469005206-3049-1-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge 4.4.79 into android-4.4
Changes in 4.4.79
disable new gcc-7.1.1 warnings for now
ir-core: fix gcc-7 warning on bool arithmetic
s5p-jpeg: don't return a random width/height
thermal: cpu_cooling: Avoid accessing potentially freed structures
ath9k: fix tx99 use after free
ath9k: fix tx99 bus error
NFC: fix broken device allocation
NFC: nfcmrvl_uart: add missing tty-device sanity check
NFC: nfcmrvl: do not use device-managed resources
NFC: nfcmrvl: use nfc-device for firmware download
NFC: nfcmrvl: fix firmware-management initialisation
nfc: Ensure presence of required attributes in the activate_target handler
nfc: Fix the sockaddr length sanitization in llcp_sock_connect
NFC: Add sockaddr length checks before accessing sa_family in bind handlers
perf intel-pt: Move decoder error setting into one condition
perf intel-pt: Improve sample timestamp
perf intel-pt: Fix missing stack clear
perf intel-pt: Ensure IP is zero when state is INTEL_PT_STATE_NO_IP
perf intel-pt: Clear FUP flag on error
Bluetooth: use constant time memory comparison for secret values
wlcore: fix 64K page support
ASoC: compress: Derive substream from stream based on direction
PM / Domains: Fix unsafe iteration over modified list of device links
PM / Domains: Fix unsafe iteration over modified list of domain providers
scsi: ses: do not add a device to an enclosure if enclosure_add_links() fails.
iscsi-target: Add login_keys_workaround attribute for non RFC initiators
powerpc/64: Fix atomic64_inc_not_zero() to return an int
powerpc: Fix emulation of mcrf in emulate_step()
powerpc: Fix emulation of mfocrf in emulate_step()
powerpc/asm: Mark cr0 as clobbered in mftb()
af_key: Fix sadb_x_ipsecrequest parsing
PCI/PM: Restore the status of PCI devices across hibernation
ipvs: SNAT packet replies only for NATed connections
xhci: fix 20000ms port resume timeout
xhci: Fix NULL pointer dereference when cleaning up streams for removed host
usb: storage: return on error to avoid a null pointer dereference
USB: cdc-acm: add device-id for quirky printer
usb: renesas_usbhs: fix usbhsc_resume() for !USBHSF_RUNTIME_PWCTRL
usb: renesas_usbhs: gadget: disable all eps when the driver stops
md: don't use flush_signals in userspace processes
x86/xen: allow userspace access during hypercalls
cx88: Fix regression in initial video standard setting
Raid5 should update rdev->sectors after reshape
s390/syscalls: Fix out of bounds arguments access
drm/amd/amdgpu: Return error if initiating read out of range on vram
drm/radeon/ci: disable mclk switching for high refresh rates (v2)
drm/radeon: Fix eDP for single-display iMac10,1 (v2)
ipmi: use rcu lock around call to intf->handlers->sender()
ipmi:ssif: Add missing unlock in error branch
f2fs: Don't clear SGID when inheriting ACLs
vfio: Fix group release deadlock
vfio: New external user group/file match
ftrace: Fix uninitialized variable in match_records()
MIPS: Fix mips_atomic_set() retry condition
MIPS: Fix mips_atomic_set() with EVA
MIPS: Negate error syscall return in trace
x86/acpi: Prevent out of bound access caused by broken ACPI tables
x86/ioapic: Pass the correct data to unmask_ioapic_irq()
MIPS: Fix MIPS I ISA /proc/cpuinfo reporting
MIPS: Save static registers before sysmips
MIPS: Actually decode JALX in `__compute_return_epc_for_insn'
MIPS: Fix unaligned PC interpretation in `compute_return_epc'
MIPS: math-emu: Prevent wrong ISA mode instruction emulation
MIPS: Send SIGILL for BPOSGE32 in `__compute_return_epc_for_insn'
MIPS: Rename `sigill_r6' to `sigill_r2r6' in `__compute_return_epc_for_insn'
MIPS: Send SIGILL for linked branches in `__compute_return_epc_for_insn'
MIPS: Fix a typo: s/preset/present/ in r2-to-r6 emulation error message
Input: i8042 - fix crash at boot time
NFS: only invalidate dentrys that are clearly invalid.
udf: Fix deadlock between writeback and udf_setsize()
target: Fix COMPARE_AND_WRITE caw_sem leak during se_cmd quiesce
perf annotate: Fix broken arrow at row 0 connecting jmp instruction to its target
Revert "perf/core: Drop kernel samples even though :u is specified"
staging: rtl8188eu: add TL-WN722N v2 support
ceph: fix race in concurrent readdir
RDMA/core: Initialize port_num in qp_attr
drm/mst: Fix error handling during MST sideband message reception
drm/mst: Avoid dereferencing a NULL mstb in drm_dp_mst_handle_up_req()
drm/mst: Avoid processing partially received up/down message transactions
of: device: Export of_device_{get_modalias, uvent_modalias} to modules
spmi: Include OF based modalias in device uevent
tracing: Fix kmemleak in instance_rmdir
alarmtimer: don't rate limit one-shot timers
Linux 4.4.79
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
commit 6a558f12dbe85437acbdec5e149ea07b5554eced upstream.
Sometimes a FUP packet is associated with a TSX transaction and a flag is
set to indicate that. Ensure that flag is cleared on any error condition
because at that point the decoder can no longer assume it is correct.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-9-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit ad7167a8cd174ba7d8c0d0ed8d8410521206d104 upstream.
A value of zero is used to indicate that there is no IP. Ensure the
value is zero when the state is INTEL_PT_STATE_NO_IP.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-5-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 12b7080609097753fd8198cc1daf589be3ec1cca upstream.
The return compression stack must be cleared whenever there is a PSB. Fix
one case where that was not happening.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-4-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 3f04d98e972b59706bd43d6cc75efac91f8fba50 upstream.
The decoder uses its current timestamp in samples. Usually that is a
timestamp that has already passed, but in some cases it is a timestamp
for a branch that the decoder is walking towards, and consequently
hasn't reached. Improve that situation by using the pkt_state to
determine when to use the current or previous timestamp.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 22c06892332d8916115525145b78e606e9cc6492 upstream.
Move decoder error setting into one condition.
Cc'ed to stable because later fixes depend on it.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-2-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge 4.4.78 into android-4.4
Changes in 4.4.78
net_sched: fix error recovery at qdisc creation
net: sched: Fix one possible panic when no destroy callback
net/phy: micrel: configure intterupts after autoneg workaround
ipv6: avoid unregistering inet6_dev for loopback
net: dp83640: Avoid NULL pointer dereference.
tcp: reset sk_rx_dst in tcp_disconnect()
net: prevent sign extension in dev_get_stats()
bpf: prevent leaking pointer via xadd on unpriviledged
net: handle NAPI_GRO_FREE_STOLEN_HEAD case also in napi_frags_finish()
ipv6: dad: don't remove dynamic addresses if link is down
net: ipv6: Compare lwstate in detecting duplicate nexthops
vrf: fix bug_on triggered by rx when destroying a vrf
rds: tcp: use sock_create_lite() to create the accept socket
brcmfmac: fix possible buffer overflow in brcmf_cfg80211_mgmt_tx()
cfg80211: Define nla_policy for NL80211_ATTR_LOCAL_MESH_POWER_MODE
cfg80211: Validate frequencies nested in NL80211_ATTR_SCAN_FREQUENCIES
cfg80211: Check if PMKID attribute is of expected size
irqchip/gic-v3: Fix out-of-bound access in gic_set_affinity
parisc: Report SIGSEGV instead of SIGBUS when running out of stack
parisc: use compat_sys_keyctl()
parisc: DMA API: return error instead of BUG_ON for dma ops on non dma devs
parisc/mm: Ensure IRQs are off in switch_mm()
tools/lib/lockdep: Reduce MAX_LOCK_DEPTH to avoid overflowing lock_chain/: Depth
kernel/extable.c: mark core_kernel_text notrace
mm/list_lru.c: fix list_lru_count_node() to be race free
fs/dcache.c: fix spin lockup issue on nlru->lock
checkpatch: silence perl 5.26.0 unescaped left brace warnings
binfmt_elf: use ELF_ET_DYN_BASE only for PIE
arm: move ELF_ET_DYN_BASE to 4MB
arm64: move ELF_ET_DYN_BASE to 4GB / 4MB
powerpc: move ELF_ET_DYN_BASE to 4GB / 4MB
s390: reduce ELF_ET_DYN_BASE
exec: Limit arg stack to at most 75% of _STK_LIM
vt: fix unchecked __put_user() in tioclinux ioctls
mnt: In umount propagation reparent in a separate pass
mnt: In propgate_umount handle visiting mounts in any order
mnt: Make propagate_umount less slow for overlapping mount propagation trees
selftests/capabilities: Fix the test_execve test
tpm: Get rid of chip->pdev
tpm: Provide strong locking for device removal
Add "shutdown" to "struct class".
tpm: Issue a TPM2_Shutdown for TPM2 devices.
mm: fix overflow check in expand_upwards()
crypto: talitos - Extend max key length for SHA384/512-HMAC and AEAD
crypto: atmel - only treat EBUSY as transient if backlog
crypto: sha1-ssse3 - Disable avx2
crypto: caam - fix signals handling
sched/topology: Fix overlapping sched_group_mask
sched/topology: Optimize build_group_mask()
PM / wakeirq: Convert to SRCU
PM / QoS: return -EINVAL for bogus strings
tracing: Use SOFTIRQ_OFFSET for softirq dectection for more accurate results
KVM: x86: disable MPX if host did not enable MPX XSAVE features
kvm: vmx: Do not disable intercepts for BNDCFGS
kvm: x86: Guest BNDCFGS requires guest MPX support
kvm: vmx: Check value written to IA32_BNDCFGS
kvm: vmx: allow host to access guest MSR_IA32_BNDCFGS
Linux 4.4.78
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
commit 796a3bae2fba6810427efdb314a1c126c9490fb3 upstream.
test_execve does rather odd mount manipulations to safely create
temporary setuid and setgid executables that aren't visible to the
rest of the system. Those executables end up in the test's cwd, but
that cwd is MNT_DETACHed.
The core namespace code considers MNT_DETACHed trees to belong to no
mount namespace at all and, in general, MNT_DETACHed trees are only
barely function. This interacted with commit 380cf5ba6b0a ("fs:
Treat foreign mounts as nosuid") to cause all MNT_DETACHed trees to
act as though they're nosuid, breaking the test.
Fix it by just not detaching the tree. It's still in a private
mount namespace and is therefore still invisible to the rest of the
system (except via /proc, and the same nosuid logic will protect all
other programs on the system from believing in test_execve's setuid
bits).
While we're at it, fix some blatant whitespace problems.
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Fixes: 380cf5ba6b0a ("fs: Treat foreign mounts as nosuid")
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Greg KH <greg@kroah.com>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 98dcea0cfd04e083ac74137ceb9a632604740e2d upstream.
liblockdep has been broken since commit 75dd602a5198 ("lockdep: Fix
lock_chain::base size"), as that adds a check that MAX_LOCK_DEPTH is
within the range of lock_chain::depth and in liblockdep it is much
too large.
That should have resulted in a compiler error, but didn't because:
- the check uses ARRAY_SIZE(), which isn't yet defined in liblockdep
so is assumed to be an (undeclared) function
- putting a function call inside a BUILD_BUG_ON() expression quietly
turns it into some nonsense involving a variable-length array
It did produce a compiler warning, but I didn't notice because
liblockdep already produces too many warnings if -Wall is enabled
(which I'll fix shortly).
Even before that commit, which reduced lock_chain::depth from 8 bits
to 6, MAX_LOCK_DEPTH was too large.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: a.p.zijlstra@chello.nl
Link: http://lkml.kernel.org/r/20170525130005.5947-3-alexander.levin@verizon.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge 4.4.77 into android-4.4
Changes in 4.4.77
fs: add a VALID_OPEN_FLAGS
fs: completely ignore unknown open flags
driver core: platform: fix race condition with driver_override
bgmac: reset & enable Ethernet core before using it
mm: fix classzone_idx underflow in shrink_zones()
tracing/kprobes: Allow to create probe with a module name starting with a digit
drm/virtio: don't leak bo on drm_gem_object_init failure
usb: dwc3: replace %p with %pK
USB: serial: cp210x: add ID for CEL EM3588 USB ZigBee stick
Add USB quirk for HVR-950q to avoid intermittent device resets
usb: usbip: set buffer pointers to NULL after free
usb: Fix typo in the definition of Endpoint[out]Request
mac80211_hwsim: Replace bogus hrtimer clockid
sysctl: don't print negative flag for proc_douintvec
sysctl: report EINVAL if value is larger than UINT_MAX for proc_douintvec
pinctrl: sh-pfc: r8a7791: Fix SCIF2 pinmux data
pinctrl: meson: meson8b: fix the NAND DQS pins
pinctrl: sunxi: Fix SPDIF function name for A83T
pinctrl: mxs: atomically switch mux and drive strength config
pinctrl: sh-pfc: Update info pointer after SoC-specific init
USB: serial: option: add two Longcheer device ids
USB: serial: qcserial: new Sierra Wireless EM7305 device ID
gfs2: Fix glock rhashtable rcu bug
x86/tools: Fix gcc-7 warning in relocs.c
x86/uaccess: Optimize copy_user_enhanced_fast_string() for short strings
ath10k: override CE5 config for QCA9377
KEYS: Fix an error code in request_master_key()
RDMA/uverbs: Check port number supplied by user verbs cmds
mqueue: fix a use-after-free in sys_mq_notify()
tools include: Add a __fallthrough statement
tools string: Use __fallthrough in perf_atoll()
tools strfilter: Use __fallthrough
perf top: Use __fallthrough
perf intel-pt: Use __fallthrough
perf thread_map: Correctly size buffer used with dirent->dt_name
perf scripting perl: Fix compile error with some perl5 versions
perf tests: Avoid possible truncation with dirent->d_name + snprintf
perf bench numa: Avoid possible truncation when using snprintf()
perf tools: Use readdir() instead of deprecated readdir_r()
perf thread_map: Use readdir() instead of deprecated readdir_r()
perf script: Use readdir() instead of deprecated readdir_r()
perf tools: Remove duplicate const qualifier
perf annotate browser: Fix behaviour of Shift-Tab with nothing focussed
perf pmu: Fix misleadingly indented assignment (whitespace)
perf dwarf: Guard !x86_64 definitions under #ifdef else clause
perf trace: Do not process PERF_RECORD_LOST twice
perf tests: Remove wrong semicolon in while loop in CQM test
perf tools: Use readdir() instead of deprecated readdir_r() again
md: fix incorrect use of lexx_to_cpu in does_sb_need_changing
md: fix super_offset endianness in super_1_rdev_size_change
tcp: fix tcp_mark_head_lost to check skb len before fragmenting
staging: vt6556: vnt_start Fix missing call to vnt_key_init_table.
staging: comedi: fix clean-up of comedi_class in comedi_init()
ext4: check return value of kstrtoull correctly in reserved_clusters_store
x86/mm/pat: Don't report PAT on CPUs that don't support it
saa7134: fix warm Medion 7134 EEPROM read
Linux 4.4.77
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
commit 22a9f41b555673e7499b97acf3ffb07bf0af31ad upstream.
The readdir() function is thread safe as long as just one thread uses a
DIR, which is the case when parsing tracepoint event definitions, to
avoid breaking the build with glibc-2.23.90 (upcoming 2.24), use it
instead of readdir_r().
See: http://man7.org/linux/man-pages/man3/readdir.3.html
"However, in modern implementations (including the glibc implementation),
concurrent calls to readdir() that specify different directory streams
are thread-safe. In cases where multiple threads must read from the
same directory stream, using readdir() with external synchronization is
still preferable to the use of the deprecated readdir_r(3) function."
Noticed while building on a Fedora Rawhide docker container.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-wddn49r6bz6wq4ee3dxbl7lo@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit cf89813a5b514bff9b3b5e7eaf2090f22fba62e0 upstream.
The while loop was spinning. Fix by removing a semicolon.
The issue was pointed out by gcc-6's -Wmisleading-indentation.
Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Fixes: 035827e9f2 ("perf tests: Add Intel CQM test")
Link: http://lkml.kernel.org/r/20151214154335.GA1409@x4
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 3ed5ca2efff70e9f589087c2013789572901112d upstream.
We catch this record to provide a visual indication that events are
getting lost, then call the default method to allow extra logging shared
with the other tools to take place.
This extra logging was done twice because we were continuing to the
"default" clause where machine__process_event() will end up calling
machine__process_lost_event() again, fix it.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-wus2zlhw3qo24ye84ewu4aqw@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 62aa0e177d278462145a29c30d3c8501ae57e200 upstream.
To fix the build on Fedora Rawhide (gcc 6.0.0 20160311 (Red Hat 6.0.0-0.17):
CC /tmp/build/perf/arch/x86/util/dwarf-regs.o
arch/x86/util/dwarf-regs.c:66:36: error: 'x86_32_regoffset_table' defined but not used [-Werror=unused-const-variable=]
static const struct pt_regs_offset x86_32_regoffset_table[] = {
^~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-fghuksc1u8ln82bof4lwcj0o@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit d85ce830eef6c10d1e9617172dea4681f02b8424 upstream.
One line in perf_pmu__parse_unit() is indented wrongly, leading to a
warning (=> error) from gcc 6:
util/pmu.c:156:3: error: statement is indented as if it were guarded by... [-Werror=misleading-indentation]
sret = read(fd, alias->unit, UNIT_MAX_LEN);
^~~~
util/pmu.c:153:2: note: ...this 'if' clause, but it is not
if (fd == -1)
^~
Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Fixes: 410136f5dd ("tools/perf/stat: Add event unit and scale support")
Link: http://lkml.kernel.org/r/20151214154440.GC1409@x4
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit d4913cbd05bab685e49c8174896e563b2487d054 upstream.
The issue was pointed out by gcc-6's -Wmisleading-indentation.
Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Fixes: c97cf42219 ("perf top: Live TUI Annotation")
Link: http://lkml.kernel.org/r/20151214154403.GB1409@x4
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit a5e8e825bd1704c488bf6a46936aaf3b9f203d6a upstream.
The readdir() function is thread safe as long as just one thread uses a
DIR, which is the case in 'perf script', so, to avoid breaking the build
with glibc-2.23.90 (upcoming 2.24), use it instead of readdir_r().
See: http://man7.org/linux/man-pages/man3/readdir.3.html
"However, in modern implementations (including the glibc implementation),
concurrent calls to readdir() that specify different directory streams
are thread-safe. In cases where multiple threads must read from the
same directory stream, using readdir() with external synchronization is
still preferable to the use of the deprecated readdir_r(3) function."
Noticed while building on a Fedora Rawhide docker container.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-mt3xz7n2hl49ni2vx7kuq74g@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 3354cf71104de49326d19d2f9bdb1f66eea52ef4 upstream.
The readdir() function is thread safe as long as just one thread uses a
DIR, which is the case in thread_map, so, to avoid breaking the build
with glibc-2.23.90 (upcoming 2.24), use it instead of readdir_r().
See: http://man7.org/linux/man-pages/man3/readdir.3.html
"However, in modern implementations (including the glibc implementation),
concurrent calls to readdir() that specify different directory streams
are thread-safe. In cases where multiple threads must read from the
same directory stream, using readdir() with external synchronization is
still preferable to the use of the deprecated readdir_r(3) function."
Noticed while building on a Fedora Rawhide docker container.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-del8h2a0f40z75j4r42l96l0@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 7093b4c963cc4e344e490c774924a180602a7092 upstream.
The readdir() function is thread safe as long as just one thread uses a
DIR, which is the case when synthesizing events for pre-existing threads
by traversing /proc, so, to avoid breaking the build with glibc-2.23.90
(upcoming 2.24), use it instead of readdir_r().
See: http://man7.org/linux/man-pages/man3/readdir.3.html
"However, in modern implementations (including the glibc implementation),
concurrent calls to readdir() that specify different directory streams
are thread-safe. In cases where multiple threads must read from the
same directory stream, using readdir() with external synchronization is
still preferable to the use of the deprecated readdir_r(3) function."
Noticed while building on a Fedora Rawhide docker container.
CC /tmp/build/perf/util/event.o
util/event.c: In function '__event__synthesize_thread':
util/event.c:466:2: error: 'readdir_r' is deprecated [-Werror=deprecated-declarations]
while (!readdir_r(tasks, &dirent, &next) && next) {
^~~~~
In file included from /usr/include/features.h:368:0,
from /usr/include/stdint.h:25,
from /usr/lib/gcc/x86_64-redhat-linux/6.0.0/include/stdint.h:9,
from /git/linux/tools/include/linux/types.h:6,
from util/event.c:1:
/usr/include/dirent.h:189:12: note: declared here
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-i1vj7nyjp2p750rirxgrfd3c@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 3aff8ba0a4c9c9191bb788171a1c54778e1246a2 upstream.
Addressing this warning from gcc 7:
CC /tmp/build/perf/bench/numa.o
bench/numa.c: In function '__bench_numa':
bench/numa.c:1582:42: error: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size between 8 and 17 [-Werror=format-truncation=]
snprintf(tname, 32, "process%d:thread%d", p, t);
^~
bench/numa.c:1582:25: note: directive argument in the range [0, 2147483647]
snprintf(tname, 32, "process%d:thread%d", p, t);
^~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/stdio.h:939:0,
from bench/../util/util.h:47,
from bench/../builtin.h:4,
from bench/numa.c:11:
/usr/include/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 17 and 35 bytes into a destination of size 32
return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__bos (__s), __fmt, __va_arg_pack ());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Petr Holasek <pholasek@redhat.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-twa37vsfqcie5gwpqwnjuuz9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 2e2bbc039fad9eabad6c4c1a473c8b2554cdd2d4 upstream.
Addressing a few cases spotted by a new warning in gcc 7:
tests/parse-events.c: In function 'test_pmu_events':
tests/parse-events.c:1790:39: error: '%s' directive output may be truncated writing up to 255 bytes into a region of size 90 [-Werror=format-truncation=]
snprintf(name, MAX_NAME, "cpu/event=%s/u", ent->d_name);
^~
In file included from /usr/include/stdio.h:939:0,
from /git/linux/tools/perf/util/map.h:9,
from /git/linux/tools/perf/util/symbol.h:7,
from /git/linux/tools/perf/util/evsel.h:10,
from tests/parse-events.c:3:
/usr/include/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 13 and 268 bytes into a destination of size 100
return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__bos (__s), __fmt, __va_arg_pack ());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tests/parse-events.c:1798:29: error: '%s' directive output may be truncated writing up to 255 bytes into a region of size 100 [-Werror=format-truncation=]
snprintf(name, MAX_NAME, "%s:u,cpu/event=%s/u", ent->d_name, ent->d_name);
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Fixes: 945aea220b ("perf tests: Move test objects into 'tests' directory")
Link: http://lkml.kernel.org/n/tip-ty4q2p8zp1dp3mskvubxskm5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit d7dd112ea5cacf91ae72c0714c3b911eb6016fea upstream.
Fix below compile error:
CC util/scripting-engines/trace-event-perl.o
In file included from /usr/lib/perl5/5.22.2/i686-linux/CORE/perl.h:5673:0,
from util/scripting-engines/trace-event-perl.c:31:
/usr/lib/perl5/5.22.2/i686-linux/CORE/inline.h: In function 'S__is_utf8_char_slow':
/usr/lib/perl5/5.22.2/i686-linux/CORE/inline.h:270:5: error: nested extern declaration of 'Perl___notused' [-Werror=nested-externs]
dTHX; /* The function called below requires thread context */
^
cc1: all warnings being treated as errors
After digging perl5 repository, I find out that we will meet this
compile error with perl from v5.21.1 to v5.25.4
Signed-off-by: Wang YanQing <udknight@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20170212024655.GA15997@udknight
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit bdf23a9a190d7ecea092fd5c4aabb7d4bd0a9980 upstream.
The size of dirent->dt_name is NAME_MAX + 1, but the size for the 'path'
buffer is hard coded at 256, which may truncate it because we also
prepend "/proc/", so that all that into account and thank gcc 7 for this
warning:
/git/linux/tools/perf/util/thread_map.c: In function 'thread_map__new_by_uid':
/git/linux/tools/perf/util/thread_map.c:119:39: error: '%s' directive output may be truncated writing up to 255 bytes into a region of size 250 [-Werror=format-truncation=]
snprintf(path, sizeof(path), "/proc/%s", dirent->d_name);
^~
In file included from /usr/include/stdio.h:939:0,
from /git/linux/tools/perf/util/thread_map.c:5:
/usr/include/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 7 and 262 bytes into a destination of size 256
return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__bos (__s), __fmt, __va_arg_pack ());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-csy0r8zrvz5efccgd4k12c82@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 7ea6856d6f5629d742edc23b8b76e6263371ef45 upstream.
To address new warnings emmited by gcc 7, e.g.::
CC /tmp/build/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.o
CC /tmp/build/perf/tests/parse-events.o
util/intel-pt-decoder/intel-pt-pkt-decoder.c: In function 'intel_pt_pkt_desc':
util/intel-pt-decoder/intel-pt-pkt-decoder.c:499:6: error: this statement may fall through [-Werror=implicit-fallthrough=]
if (!(packet->count))
^
util/intel-pt-decoder/intel-pt-pkt-decoder.c:501:2: note: here
case INTEL_PT_CYC:
^~~~
CC /tmp/build/perf/util/intel-pt-decoder/intel-pt-decoder.o
cc1: all warnings being treated as errors
Acked-by: Andi Kleen <ak@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-mf0hw789pu9x855us5l32c83@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 7b0214b702ad8e124e039a317beeebb3f020d125 upstream.
The implicit fall through case label here is intended, so let us inform
that to gcc >= 7:
CC /tmp/build/perf/builtin-top.o
builtin-top.c: In function 'display_thread':
builtin-top.c:644:7: error: this statement may fall through [-Werror=implicit-fallthrough=]
if (errno == EINTR)
^
builtin-top.c:647:3: note: here
default:
^~~~~~~
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-lmcfnnyx9ic0m6j0aud98p4e@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit d64b721d27aef3fbeb16ecda9dd22ee34818ff70 upstream.
The implicit fall through case label here is intended, so let us inform
that to gcc >= 7:
util/strfilter.c: In function 'strfilter_node__sprint':
util/strfilter.c:270:6: error: this statement may fall through [-Werror=implicit-fallthrough=]
if (len < 0)
^
util/strfilter.c:272:2: note: here
case '!':
^~~~
cc1: all warnings being treated as errors
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-z2dpywg7u8fim000hjfbpyfm@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 94bdd5edb34e472980d1e18b4600d6fb92bd6b0a upstream.
The implicit fall through case label here is intended, so let us inform
that to gcc >= 7:
CC /tmp/build/perf/util/string.o
util/string.c: In function 'perf_atoll':
util/string.c:22:7: error: this statement may fall through [-Werror=implicit-fallthrough=]
if (*p)
^
util/string.c:24:3: note: here
case '\0':
^~~~
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-0ophb30v9apkk6o95el0rqlq@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit b5bf1733d6a391c4e90ea8f8468d83023be74a2a upstream.
For cases where implicit fall through case labels are intended,
to let us inform that to gcc >= 7:
CC /tmp/build/perf/util/string.o
util/string.c: In function 'perf_atoll':
util/string.c:22:7: error: this statement may fall through [-Werror=implicit-fallthrough=]
if (*p)
^
util/string.c:24:3: note: here
case '\0':
^~~~
So we introduce:
#define __fallthrough __attribute__ ((fallthrough))
And use it in such cases.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: William Cohen <wcohen@redhat.com>
Link: http://lkml.kernel.org/n/tip-qnpig0xfop4hwv6k4mv1wts5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge 4.4.76 into android-4.4
Changes in 4.4.76
ipv6: release dst on error in ip6_dst_lookup_tail
net: don't call strlen on non-terminated string in dev_set_alias()
decnet: dn_rtmsg: Improve input length sanitization in dnrmg_receive_user_skb
net: Zero ifla_vf_info in rtnl_fill_vfinfo()
af_unix: Add sockaddr length checks before accessing sa_family in bind and connect handlers
Fix an intermittent pr_emerg warning about lo becoming free.
net: caif: Fix a sleep-in-atomic bug in cfpkt_create_pfx
igmp: acquire pmc lock for ip_mc_clear_src()
igmp: add a missing spin_lock_init()
ipv6: fix calling in6_ifa_hold incorrectly for dad work
net/mlx5: Wait for FW readiness before initializing command interface
decnet: always not take dst->__refcnt when inserting dst into hash table
net: 8021q: Fix one possible panic caused by BUG_ON in free_netdev
sfc: provide dummy definitions of vswitch functions
ipv6: Do not leak throw route references
rtnetlink: add IFLA_GROUP to ifla_policy
netfilter: xt_TCPMSS: add more sanity tests on tcph->doff
netfilter: synproxy: fix conntrackd interaction
NFSv4: fix a reference leak caused WARNING messages
drm/ast: Handle configuration without P2A bridge
mm, swap_cgroup: reschedule when neeed in swap_cgroup_swapoff()
MIPS: Avoid accidental raw backtrace
MIPS: pm-cps: Drop manual cache-line alignment of ready_count
MIPS: Fix IRQ tracing & lockdep when rescheduling
ALSA: hda - Fix endless loop of codec configure
ALSA: hda - set input_path bitmap to zero after moving it to new place
drm/vmwgfx: Free hash table allocated by cmdbuf managed res mgr
usb: gadget: f_fs: Fix possibe deadlock
sysctl: enable strict writes
block: fix module reference leak on put_disk() call for cgroups throttle
mm: numa: avoid waiting on freed migrated pages
KVM: x86: fix fixing of hypercalls
scsi: sd: Fix wrong DPOFUA disable in sd_read_cache_type
scsi: lpfc: Set elsiocb contexts to NULL after freeing it
qla2xxx: Fix erroneous invalid handle message
ARM: dts: BCM5301X: Correct GIC_PPI interrupt flags
net: mvneta: Fix for_each_present_cpu usage
MIPS: ath79: fix regression in PCI window initialization
net: korina: Fix NAPI versus resources freeing
MIPS: ralink: MT7688 pinmux fixes
MIPS: ralink: fix USB frequency scaling
MIPS: ralink: Fix invalid assignment of SoC type
MIPS: ralink: fix MT7628 pinmux typos
MIPS: ralink: fix MT7628 wled_an pinmux gpio
mtd: bcm47xxpart: limit scanned flash area on BCM47XX (MIPS) only
bgmac: fix a missing check for build_skb
mtd: bcm47xxpart: don't fail because of bit-flips
bgmac: Fix reversed test of build_skb() return value.
net: bgmac: Fix SOF bit checking
net: bgmac: Start transmit queue in bgmac_open
net: bgmac: Remove superflous netif_carrier_on()
powerpc/eeh: Enable IO path on permanent error
gianfar: Do not reuse pages from emergency reserve
Btrfs: fix truncate down when no_holes feature is enabled
virtio_console: fix a crash in config_work_handler
swiotlb-xen: update dev_addr after swapping pages
xen-netfront: Fix Rx stall during network stress and OOM
scsi: virtio_scsi: Reject commands when virtqueue is broken
platform/x86: ideapad-laptop: handle ACPI event 1
amd-xgbe: Check xgbe_init() return code
net: dsa: Check return value of phy_connect_direct()
drm/amdgpu: check ring being ready before using
vfio/spapr: fail tce_iommu_attach_group() when iommu_data is null
virtio_net: fix PAGE_SIZE > 64k
vxlan: do not age static remote mac entries
ibmveth: Add a proper check for the availability of the checksum features
kernel/panic.c: add missing \n
HID: i2c-hid: Add sleep between POWER ON and RESET
scsi: lpfc: avoid double free of resource identifiers
spi: davinci: use dma_mapping_error()
mac80211: initialize SMPS field in HT capabilities
x86/mpx: Use compatible types in comparison to fix sparse error
coredump: Ensure proper size of sparse core files
swiotlb: ensure that page-sized mappings are page-aligned
s390/ctl_reg: make __ctl_load a full memory barrier
be2net: fix status check in be_cmd_pmac_add()
perf probe: Fix to show correct locations for events on modules
net/mlx4_core: Eliminate warning messages for SRQ_LIMIT under SRIOV
sctp: check af before verify address in sctp_addr_id2transport
ravb: Fix use-after-free on `ifconfig eth0 down`
jump label: fix passing kbuild_cflags when checking for asm goto support
xfrm: fix stack access out of bounds with CONFIG_XFRM_SUB_POLICY
xfrm: NULL dereference on allocation failure
xfrm: Oops on error in pfkey_msg2xfrm_state()
watchdog: bcm281xx: Fix use of uninitialized spinlock.
sched/loadavg: Avoid loadavg spikes caused by delayed NO_HZ accounting
ARM64/ACPI: Fix BAD_MADT_GICC_ENTRY() macro implementation
ARM: 8685/1: ensure memblock-limit is pmd-aligned
x86/mpx: Correctly report do_mpx_bt_fault() failures to user-space
x86/mm: Fix flush_tlb_page() on Xen
ocfs2: o2hb: revert hb threshold to keep compatible
iommu/vt-d: Don't over-free page table directories
iommu: Handle default domain attach failure
iommu/amd: Fix incorrect error handling in amd_iommu_bind_pasid()
cpufreq: s3c2416: double free on driver init error path
KVM: x86: fix emulation of RSM and IRET instructions
KVM: x86/vPMU: fix undefined shift in intel_pmu_refresh()
KVM: x86: zero base3 of unusable segments
KVM: nVMX: Fix exception injection
Linux 4.4.76
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
[ Upstream commit d2d4edbebe07ddb77980656abe7b9bc7a9e0cdf7 ]
Fix to show correct locations for events on modules by relocating given
address instead of retrying after failure.
This happens when the module text size is big enough, bigger than
sh_addr, because the original code retries with given address + sh_addr
if it failed to find CU DIE at the given address.
Any address smaller than sh_addr always fails and it retries with the
correct address, but addresses bigger than sh_addr will get a CU DIE
which is on the given address (not adjusted by sh_addr).
In my environment(x86-64), the sh_addr of ".text" section is 0x10030.
Since i915 is a huge kernel module, we can see this issue as below.
$ grep "[Tt] .*\[i915\]" /proc/kallsyms | sort | head -n1
ffffffffc0270000 t i915_switcheroo_can_switch [i915]
ffffffffc0270000 + 0x10030 = ffffffffc0280030, so we'll check
symbols cross this boundary.
$ grep "[Tt] .*\[i915\]" /proc/kallsyms | grep -B1 ^ffffffffc028\
| head -n 2
ffffffffc027ff80 t haswell_init_clock_gating [i915]
ffffffffc0280110 t valleyview_init_clock_gating [i915]
So setup probes on both function and see what happen.
$ sudo ./perf probe -m i915 -a haswell_init_clock_gating \
-a valleyview_init_clock_gating
Added new events:
probe:haswell_init_clock_gating (on haswell_init_clock_gating in i915)
probe:valleyview_init_clock_gating (on valleyview_init_clock_gating in i915)
You can now use it in all perf tools, such as:
perf record -e probe:valleyview_init_clock_gating -aR sleep 1
$ sudo ./perf probe -l
probe:haswell_init_clock_gating (on haswell_init_clock_gating@gpu/drm/i915/intel_pm.c in i915)
probe:valleyview_init_clock_gating (on i915_vga_set_decode:4@gpu/drm/i915/i915_drv.c in i915)
As you can see, haswell_init_clock_gating is correctly shown,
but valleyview_init_clock_gating is not.
With this patch, both events are shown correctly.
$ sudo ./perf probe -l
probe:haswell_init_clock_gating (on haswell_init_clock_gating@gpu/drm/i915/intel_pm.c in i915)
probe:valleyview_init_clock_gating (on valleyview_init_clock_gating@gpu/drm/i915/intel_pm.c in i915)
Committer notes:
In my case:
# perf probe -m i915 -a haswell_init_clock_gating -a valleyview_init_clock_gating
Added new events:
probe:haswell_init_clock_gating (on haswell_init_clock_gating in i915)
probe:valleyview_init_clock_gating (on valleyview_init_clock_gating in i915)
You can now use it in all perf tools, such as:
perf record -e probe:valleyview_init_clock_gating -aR sleep 1
# perf probe -l
probe:haswell_init_clock_gating (on i915_getparam+432@gpu/drm/i915/i915_drv.c in i915)
probe:valleyview_init_clock_gating (on __i915_printk+240@gpu/drm/i915/i915_drv.c in i915)
#
# readelf -SW /lib/modules/4.9.0+/build/vmlinux | egrep -w '.text|Name'
[Nr] Name Type Address Off Size ES Flg Lk Inf Al
[ 1] .text PROGBITS ffffffff81000000 200000 822fd3 00 AX 0 0 4096
#
So both are b0rked, now with the fix:
# perf probe -m i915 -a haswell_init_clock_gating -a valleyview_init_clock_gating
Added new events:
probe:haswell_init_clock_gating (on haswell_init_clock_gating in i915)
probe:valleyview_init_clock_gating (on valleyview_init_clock_gating in i915)
You can now use it in all perf tools, such as:
perf record -e probe:valleyview_init_clock_gating -aR sleep 1
# perf probe -l
probe:haswell_init_clock_gating (on haswell_init_clock_gating@gpu/drm/i915/intel_pm.c in i915)
probe:valleyview_init_clock_gating (on valleyview_init_clock_gating@gpu/drm/i915/intel_pm.c in i915)
#
Both looks correct.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/148411436777.9978.1440275861947194930.stgit@devbox
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge 4.4.69 into android-4.4
Changes in 4.4.69
xen: adjust early dom0 p2m handling to xen hypervisor behavior
target: Fix compare_and_write_callback handling for non GOOD status
target/fileio: Fix zero-length READ and WRITE handling
target: Convert ACL change queue_depth se_session reference usage
iscsi-target: Set session_fall_back_to_erl0 when forcing reinstatement
usb: host: xhci: print correct command ring address
USB: serial: ftdi_sio: add device ID for Microsemi/Arrow SF2PLUS Dev Kit
USB: Proper handling of Race Condition when two USB class drivers try to call init_usb_class simultaneously
staging: vt6656: use off stack for in buffer USB transfers.
staging: vt6656: use off stack for out buffer USB transfers.
staging: gdm724x: gdm_mux: fix use-after-free on module unload
staging: comedi: jr3_pci: fix possible null pointer dereference
staging: comedi: jr3_pci: cope with jiffies wraparound
usb: misc: add missing continue in switch
usb: Make sure usb/phy/of gets built-in
usb: hub: Fix error loop seen after hub communication errors
usb: hub: Do not attempt to autosuspend disconnected devices
x86/boot: Fix BSS corruption/overwrite bug in early x86 kernel startup
selftests/x86/ldt_gdt_32: Work around a glibc sigaction() bug
x86, pmem: Fix cache flushing for iovec write < 8 bytes
um: Fix PTRACE_POKEUSER on x86_64
KVM: x86: fix user triggerable warning in kvm_apic_accept_events()
KVM: arm/arm64: fix races in kvm_psci_vcpu_on
block: fix blk_integrity_register to use template's interval_exp if not 0
crypto: algif_aead - Require setkey before accept(2)
dm era: save spacemap metadata root after the pre-commit
vfio/type1: Remove locked page accounting workqueue
IB/core: Fix sysfs registration error flow
IB/IPoIB: ibX: failed to create mcg debug file
IB/mlx4: Fix ib device initialization error flow
IB/mlx4: Reduce SRIOV multicast cleanup warning message to debug level
ext4: evict inline data when writing to memory map
fs/xattr.c: zero out memory copied to userspace in getxattr
ceph: fix memory leak in __ceph_setxattr()
fs/block_dev: always invalidate cleancache in invalidate_bdev()
Set unicode flag on cifs echo request to avoid Mac error
SMB3: Work around mount failure when using SMB3 dialect to Macs
CIFS: fix mapping of SFM_SPACE and SFM_PERIOD
cifs: fix CIFS_IOC_GET_MNT_INFO oops
CIFS: add misssing SFM mapping for doublequote
padata: free correct variable
arm64: KVM: Fix decoding of Rt/Rt2 when trapping AArch32 CP accesses
serial: samsung: Use right device for DMA-mapping calls
serial: omap: fix runtime-pm handling on unbind
serial: omap: suspend device on probe errors
tty: pty: Fix ldisc flush after userspace become aware of the data already
Bluetooth: Fix user channel for 32bit userspace on 64bit kernel
Bluetooth: hci_bcm: add missing tty-device sanity check
Bluetooth: hci_intel: add missing tty-device sanity check
mac80211: pass RX aggregation window size to driver
mac80211: pass block ack session timeout to to driver
mac80211: RX BA support for sta max_rx_aggregation_subframes
wlcore: Pass win_size taken from ieee80211_sta to FW
wlcore: Add RX_BA_WIN_SIZE_CHANGE_EVENT event
ipmi: Fix kernel panic at ipmi_ssif_thread()
Linux 4.4.69
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
commit 65973dd3fd31151823f4b8c289eebbb3fb7e6bc0 upstream.
i386 glibc is buggy and calls the sigaction syscall incorrectly.
This is asymptomatic for normal programs, but it blows up on
programs that do evil things with segmentation. The ldt_gdt
self-test is an example of such an evil program.
This doesn't appear to be a regression -- I think I just got lucky
with the uninitialized memory that glibc threw at the kernel when I
wrote the test.
This hackish fix manually issues sigaction(2) syscalls to undo the
damage. Without the fix, ldt_gdt_32 segfaults; with the fix, it
passes for me.
See: https://sourceware.org/bugzilla/show_bug.cgi?id=21269
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Garnier <thgarnie@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/aaab0f9f93c9af25396f01232608c163a760a668.1490218061.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 4cca0457686e4ee1677d69469e4ddfd94d389a80 upstream.
The switch that conditionally sets CPUPOWER_CAP_HAS_TURBO_RATIO and
CPUPOWER_CAP_IS_SNB flags is missing a break, so all cores get both
flags set and an assumed base clock of 100 MHz for turbo values.
Reported-by: GSR <gsr.bugs@infernal-iceberg.com>
Tested-by: GSR <gsr.bugs@infernal-iceberg.com>
References: https://bugs.debian.org/859978
Fixes: 8fb2e440b2 (cpupower: Show Intel turbo ratio support via ...)
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge 4.4.64 into android-4.4
Changes in 4.4.64:
KEYS: Disallow keyrings beginning with '.' to be joined as session keyrings
KEYS: Change the name of the dead type to ".dead" to prevent user access
KEYS: fix keyctl_set_reqkey_keyring() to not leak thread keyrings
tracing: Allocate the snapshot buffer before enabling probe
ring-buffer: Have ring_buffer_iter_empty() return true when empty
cifs: Do not send echoes before Negotiate is complete
CIFS: remove bad_network_name flag
s390/mm: fix CMMA vs KSM vs others
Drivers: hv: don't leak memory in vmbus_establish_gpadl()
Drivers: hv: get rid of timeout in vmbus_open()
Drivers: hv: vmbus: Reduce the delay between retries in vmbus_post_msg()
VSOCK: Detach QP check should filter out non matching QPs.
Input: elantech - add Fujitsu Lifebook E547 to force crc_enabled
ACPI / power: Avoid maybe-uninitialized warning
mmc: sdhci-esdhc-imx: increase the pad I/O drive strength for DDR50 card
mac80211: reject ToDS broadcast data frames
ubi/upd: Always flush after prepared for an update
powerpc/kprobe: Fix oops when kprobed on 'stdu' instruction
x86/mce/AMD: Give a name to MCA bank 3 when accessed with legacy MSRs
kvm: arm/arm64: Fix locking for kvm_free_stage2_pgd
Tools: hv: kvp: ensure kvp device fd is closed on exec
Drivers: hv: balloon: keep track of where ha_region starts
Drivers: hv: balloon: account for gaps in hot add regions
hv: don't reset hv_context.tsc_page on crash
x86, pmem: fix broken __copy_user_nocache cache-bypass assumptions
block: fix del_gendisk() vs blkdev_ioctl crash
tipc: fix crash during node removal
Linux 4.4.64
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
commit 26840437cbd6d3625ea6ab34e17cd34bb810c861 upstream.
KVP daemon does fork()/exec() (with popen()) so we need to close our fds
to avoid sharing them with child processes. The immediate implication of
not doing so I see is SELinux complaining about 'ip' trying to access
'/dev/vmbus/hv_kvp'.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge 4.4.57 to android-4.4
Changes in 4.4.57:
usb: core: hub: hub_port_init lock controller instead of bus
USB: don't free bandwidth_mutex too early
crypto: ghash-clmulni - Fix load failure
crypto: cryptd - Assign statesize properly
crypto: mcryptd - Fix load failure
cxlflash: Increase cmd_per_lun for better throughput
ACPI / video: skip evaluating _DOD when it does not exist
pinctrl: cherryview: Do not mask all interrupts in probe
Drivers: hv: balloon: don't crash when memory is added in non-sorted order
Drivers: hv: avoid vfree() on crash
xen/qspinlock: Don't kick CPU if IRQ is not initialized
KVM: PPC: Book3S PR: Fix illegal opcode emulation
s390/pci: fix use after free in dma_init
drm/amdgpu: add missing irq.h include
tpm_tis: Use devm_free_irq not free_irq
hv_netvsc: use skb_get_hash() instead of a homegrown implementation
kernek/fork.c: allocate idle task for a CPU always on its local node
give up on gcc ilog2() constant optimizations
perf/core: Fix event inheritance on fork()
cpufreq: Fix and clean up show_cpuinfo_cur_freq()
powerpc/boot: Fix zImage TOC alignment
md/raid1/10: fix potential deadlock
target/pscsi: Fix TYPE_TAPE + TYPE_MEDIMUM_CHANGER export
scsi: lpfc: Add shutdown method for kexec
scsi: libiscsi: add lock around task lists to fix list corruption regression
target: Fix VERIFY_16 handling in sbc_parse_cdb
isdn/gigaset: fix NULL-deref at probe
gfs2: Avoid alignment hole in struct lm_lockname
percpu: acquire pcpu_lock when updating pcpu_nr_empty_pop_pages
ext4: fix fencepost in s_first_meta_bg validation
Linux 4.4.57
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
