If the OPAL call to receive the ipmi message fails, then we free up the
smi message and return. But, the driver still holds the reference to
old smi message in the 'cur_msg' which can potentially be accessed later
and freed again leading to kernel oops. To fix it up,
The kernel driver should reset the 'cur_msg' and send reply to the user
in addition to freeing the message.
Signed-off-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com>
Fixed a checkpatch warning dealing with an else after a return.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
The IPMI SI driver was using direct PNP, but that was not really
ideal because the IPMI device is a platform device. There was
some special handling in the acpi_pnp.c code for making this work,
but that was breaking ACPI handling for the IPMI SSIF driver.
So without this patch there were significant issues getting the
SSIF driver to work with ACPI.
So use a platform device for ACPI detection and remove the
entry from acpi_pnp.c.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
srp_destroy_qp is designed to indicate we are safe to continue with
freeing the channel resources by modifying the qp error state,
posting a dummy wr on the queue-pair and waiting for it to flush.
This also holds for the channel registration pool as we are unmapping
the memory region when handling a scsi response. Destroying the
channel registration pool before we make sure we processed all the
inflight IO might introduce a use-after-free of the registration pool.
This use-after-free is demonstrated in the stack trace below where
srp is trying to unmap a used FMR after the fmr_pool was already destroyed.
general protection fault: 0000 [#1] SMP
RIP: 0010:[<ffffffff8151121b>] [<ffffffff8151121b>] _raw_spin_lock_irqsave+0x1b/0x50
Call Trace:
[<ffffffffa055d88a>] ib_fmr_pool_unmap+0x1a/0xb0 [ib_core]
[<ffffffffa06c00ed>] srp_unmap_data.isra.28+0x17d/0x250 [ib_srp]
[<ffffffffa06c01eb>] srp_free_req+0x2b/0x60 [ib_srp]
[<ffffffffa06c0c94>] srp_recv_completion+0x174/0x580 [ib_srp]
[<ffffffffa04580fe>] mlx4_eq_int+0x4de/0xe50 [mlx4_core]
[<ffffffffa0458b00>] mlx4_msi_x_interrupt+0x10/0x20 [mlx4_core]
[<ffffffff810abc45>] handle_irq_event_percpu+0x35/0x1b0
[<ffffffff810abdf2>] handle_irq_event+0x32/0x50
[<ffffffff810ae5cf>] handle_edge_irq+0x6f/0x120
[<ffffffff8100455a>] handle_irq+0x1a/0x30
[<ffffffff8151b475>] do_IRQ+0x45/0xb0
[<ffffffff8151162d>] common_interrupt+0x6d/0x6d
[<ffffffff813e4d2f>] cpuidle_enter_state+0x4f/0xc0
[<ffffffff813e4e6c>] cpuidle_idle_call+0xcc/0x210
[<ffffffff8100b9ea>] arch_cpu_idle+0xa/0x30
[<ffffffff810ab1e1>] cpu_startup_entry+0xe1/0x270
[<ffffffff81030b3a>] start_secondary+0x21a/0x2c0
Reported-by: Eliott Kespi <eliottk@mellanox.com>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This set mainly includes a change to the way the
dlm uses the SCTP API in the kernel, removing the
direct dependency on the sctp module. Other odd
SCTP-related fixes are also included. The other
notable fix is for a long standing regression in
the behavior of lock value blocks for user space
locks.
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Merge tag 'dlm-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"This set mainly includes a change to the way the dlm uses the SCTP API
in the kernel, removing the direct dependency on the sctp module.
Other odd SCTP-related fixes are also included.
The other notable fix is for a long standing regression in the
behavior of lock value blocks for user space locks"
* tag 'dlm-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
dlm: print error from kernel_sendpage
dlm: fix lvb copy for user locks
dlm: sctp_accept_from_sock() can be static
dlm: fix reconnecting but not sending data
dlm: replace BUG_ON with a less severe handling
dlm: use sctp 1-to-1 API
dlm: fix not reconnecting on connecting error handling
dlm: fix race while closing connections
dlm: fix connection stealing if using SCTP
features and other churn going into 4.2.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Pretty much all bug fixes and clean ups for 4.3, after a lot of
features and other churn going into 4.2"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
Revert "ext4: remove block_device_ejected"
ext4: ratelimit the file system mounted message
ext4: silence a format string false positive
ext4: simplify some code in read_mmp_block()
ext4: don't manipulate recovery flag when freezing no-journal fs
jbd2: limit number of reserved credits
ext4 crypto: remove duplicate header file
ext4: update c/mtime on truncate up
jbd2: avoid infinite loop when destroying aborted journal
ext4, jbd2: add REQ_FUA flag when recording an error in the superblock
ext4 crypto: fix spelling typo in comment
ext4 crypto: exit cleanly if ext4_derive_key_aes() fails
ext4: reject journal options for ext2 mounts
ext4: implement cgroup writeback support
ext4: replace ext4_io_submit->io_op with ->io_wbc
ext4 crypto: check for too-short encrypted file names
ext4 crypto: use a jbd2 transaction when adding a crypto policy
jbd2: speedup jbd2_journal_dirty_metadata()
When the hfi1 driver was added these definitions were moved from the qib driver
to ib_mad.h to be used by both qib and hfi1. They should have been moved to
ib_smi.h instead.
Fixes: d4ab347005 ("IB/core: Add core header changes needed for OPA")
Reviewed-by: Hal Rosenstock <hal@mellanox.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Remove the unused IB_NOTICE_REPRESS_* defines.
When the hfi1 driver was added these definitions were moved from the qib driver
to ib_mad.h. They should have been removed instead.
Fixes: d4ab347005 ("IB/core: Add core header changes needed for OPA")
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Hal Rosenstock <hal@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
When the hfi1 driver was added a user space header file (hfi1_user.h) was added
to be shared between PSM2 and the driver. However, the file was not added to
the header install. Add it now.
Fixes: d4ab347005 ("IB/core: Add core header changes needed for OPA")
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Pull ext3 removal, quota & udf fixes from Jan Kara:
"The biggest change in the pull is the removal of ext3 filesystem
driver (~28k lines removed). Ext4 driver is a full featured
replacement these days and both RH and SUSE use it for several years
without issues. Also there are some workarounds in VM & block layer
mainly for ext3 which we could eventually get rid of.
Other larger change is addition of proper error handling for
dquot_initialize(). The rest is small fixes and cleanups"
[ I wasn't convinced about the ext3 removal and worried about things
falling through the cracks for legacy users, but ext4 maintainers
piped up and were all unanimously in favor of removal, and maintaining
all legacy ext3 support inside ext4. - Linus ]
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
udf: Don't modify filesystem for read-only mounts
quota: remove an unneeded condition
ext4: memory leak on error in ext4_symlink()
mm/Kconfig: NEED_BOUNCE_POOL: clean-up condition
ext4: Improve ext4 Kconfig test
block: Remove forced page bouncing under IO
fs: Remove ext3 filesystem driver
doc: Update doc about journalling layer
jfs: Handle error from dquot_initialize()
reiserfs: Handle error from dquot_initialize()
ocfs2: Handle error from dquot_initialize()
ext4: Handle error from dquot_initialize()
ext2: Handle error from dquot_initalize()
quota: Propagate error from ->acquire_dquot()
3 CSRs needed by the CONFIG_SDMA_VERBOSITY code were removed during
the CSR clean up. Adding these CSRs back to resolve 0-day build failure:
https://lists.01.org/pipermail/kbuild-all/2015-August/011919.html
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Merge hpfs upddate from Mikulas Patocka.
* emailed patches from Mikulas Patocka <mikulas@twibright.com>:
hpfs: update ctime and mtime on directory modification
hpfs: support hotfixes
When the OS/2 driver hits a disk write error, it writes the sector to
another location and adds the sector mapping to the hotfix map.
This patch makes the hpfs driver understand the hotfix map and remap
accesses accoring to it.
Signed-off-by: Mikulas Patocka <mikulas@twibright.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since patch series "Demux IB CM requests in the rdma_cm module" the
P_Key index is taken from the work completion rather than the message
itself.
The HCA provides us with the message P_Key. In order to provide the
P_Key index, we need to look it up. Given that this is relevant only
for GSI messages (session establishments) which is less performance critical,
micro-optimize against the GSI (is_qp1) branch.
Fixes: 4c21b5bcef ("IB/cma: Add net_dev and private data checks to
RDMA CM")
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
The mlx5_ib_reg_user_mr() function will attempt to call clean_mr() in
its error flow even though there is never a case where the error flow
occurs with a valid MR pointer to destroy.
Remove the clean_mr() call and the incorrect comment above it.
Fixes: b4cfe447d4 ("IB/mlx5: Implement on demand paging by adding
support for MMU notifiers")
Cc: Eli Cohen <eli@mellanox.com>
Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
It seems cleaner to avoid the temporary value here.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
None of these statistics can meaningfully be negative, and the
numerator for do_div() must have the type u64. The generic
implementation of do_div() used on some 32-bit architectures asserts
that, resulting in a compiler error in gfs2_rgrp_congested().
Fixes: 0166b197c2 ("GFS2: Average in only non-zero round-trip times ...")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Acked-by: Andreas Gruenbacher <agruenba@redhat.com>
This patch changes the glock hash table from a normal hash table to
a resizable hash table, which scales better. This also simplifies
a lot of code.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
What uniquely identifies a glock in the glock hash table is not
gl_name, but gl_name and its superblock pointer. This patch makes
the gl_name field correspond to a unique glock identifier. That will
allow us to simplify hashing with a future patch, since the hash
algorithm can then take the gl_name and hash its components in one
operation.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
Don't use struct gfs2_glock_iter as the helper data structure for iterating
through "sbstats"; we are not iterating through glocks here.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Some buffers (UVD/VM page tables) must be placed in VRAM,
but the byte restriction for moving buffers didn't took this
into account.
Port of radeon commit 4b09556660.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
We have many WR opcodes that are only supported in kernel space
and/or require optional information to be copied into the WR
structure. Reject all those not explicitly handled so that we
can't pass invalid information to drivers.
Cc: stable@vger.kernel.org
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This fixes an if statement checking the return value of the function
get_lladdr for success in the function pick_local_ip6addrs to instead
of directly checking the return value of this call check the opposite
as get_lladdr returns zero for success which would incorrectly make
this if statement block not execute with the current if statement
check.
Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
LIBELF_32 is not defined in Kconfig, and is left over legacy
which is not required in the upstream driver, so remove it.
Suggested-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
When driver is in IAP mode ic_type query may return 0xff. However
iap_version will always be valid, so let's use it to determine parameters
of the firmware that the controller is supposed to accept.
Signed-off-by: Duson Lin <dusonlin@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/media/i2c/tc358743.c:1960:3-8: No need to set .owner here. The core will do it.
Remove .owner field if calls are used which set it automatically
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
CC: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
While looking at use cases of the wake queues in order to add support
for simple wait queues, I noticed that there was only a single user of
wake_up_interruptible_nr(), and that use was doing a single task wake
up. Have that user use the proper wake_up_interruptible() instead, and
perhaps we can even remove the function wake_up_interruptible_nr().
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Hardware interrupts are enabled in the probe function, before the subdev
is registered to its v4l2_device. Until v4l2_device_register_subdev_node
is called, sd->devnode is NULL and v4l2_subdev_notify_event must not be
called.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
As reported by Randy:
> when CONFIG_MEDIA_CONTROLLER is not enabled:
>
> ../drivers/media/i2c/tc358743.c: In function 'tc358743_probe':
> ../drivers/media/i2c/tc358743.c:1890:29: error: 'struct v4l2_subdev' has no member named 'entity'
> err = media_entity_init(&sd->entity, 1, &state->pad, 0);
> ^
> ../drivers/media/i2c/tc358743.c:1940:26: error: 'struct v4l2_subdev' has no member named 'entity'
> media_entity_cleanup(&sd->entity);
> ^
> ../drivers/media/i2c/tc358743.c: In function 'tc358743_remove':
> ../drivers/media/i2c/tc358743.c:1955:26: error: 'struct v4l2_subdev' has no member named 'entity'
> media_entity_cleanup(&sd->entity);
> ^
This driver depends on VIDEO_V4L2_SUBDEV_API and needs to select HDMI.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Use %pad to print 'dma_addr_t' in order to fix the following
build warning:
drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c:588:2: warning: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'dma_addr_t' [-Wformat=]
Reported-by: Olof's autobuilder <build@lixom.net>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This patch fix spelling typo "the the" found in controls.xml
and vidioc-g-param.xml.
These xml files are'nt generated from any source files, so I have
to fix these xml files directly.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Commit 2561482468 ("[media] tc358743: support probe from device tree")
specified in the device tree binding documentation that the reset gpio
is optional. Make the implementation match accordingly.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Commit 2561482468 ("[media] tc358743: support probe from device tree")
failed to explicitly set the direction of the reset gpio. Use the
optional flag of devm_gpiod_get to make up leeway.
This is also necessary because the flag parameter will become mandatory
soon.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The logic was reversed. This feature is not enabled
at the moment, but fix it now for the future.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Using the wrong watermwark value for the secondary
watermark. Copy paste typo. Noticed by Mykola.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Using the wrong watermwark value for the secondary
watermark. Copy paste typo. Noticed by Mykola.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Pull networking updates from David Miller:
"Another merge window, another set of networking changes. I've heard
rumblings that the lightweight tunnels infrastructure has been voted
networking change of the year. But what do I know?
1) Add conntrack support to openvswitch, from Joe Stringer.
2) Initial support for VRF (Virtual Routing and Forwarding), which
allows the segmentation of routing paths without using multiple
devices. There are some semantic kinks to work out still, but
this is a reasonably strong foundation. From David Ahern.
3) Remove spinlock fro act_bpf fast path, from Alexei Starovoitov.
4) Ignore route nexthops with a link down state in ipv6, just like
ipv4. From Andy Gospodarek.
5) Remove spinlock from fast path of act_gact and act_mirred, from
Eric Dumazet.
6) Document the DSA layer, from Florian Fainelli.
7) Add netconsole support to bcmgenet, systemport, and DSA. Also
from Florian Fainelli.
8) Add Mellanox Switch Driver and core infrastructure, from Jiri
Pirko.
9) Add support for "light weight tunnels", which allow for
encapsulation and decapsulation without bearing the overhead of a
full blown netdevice. From Thomas Graf, Jiri Benc, and a cast of
others.
10) Add Identifier Locator Addressing support for ipv6, from Tom
Herbert.
11) Support fragmented SKBs in iwlwifi, from Johannes Berg.
12) Allow perf PMUs to be accessed from eBPF programs, from Kaixu Xia.
13) Add BQL support to 3c59x driver, from Loganaden Velvindron.
14) Stop using a zero TX queue length to mean that a device shouldn't
have a qdisc attached, use an explicit flag instead. From Phil
Sutter.
15) Use generic geneve netdevice infrastructure in openvswitch, from
Pravin B Shelar.
16) Add infrastructure to avoid re-forwarding a packet in software
that was already forwarded by a hardware switch. From Scott
Feldman.
17) Allow AF_PACKET fanout function to be implemented in a bpf
program, from Willem de Bruijn"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1458 commits)
netfilter: nf_conntrack: make nf_ct_zone_dflt built-in
netfilter: nf_dup{4, 6}: fix build error when nf_conntrack disabled
net: fec: clear receive interrupts before processing a packet
ipv6: fix exthdrs offload registration in out_rt path
xen-netback: add support for multicast control
bgmac: Update fixed_phy_register()
sock, diag: fix panic in sock_diag_put_filterinfo
flow_dissector: Use 'const' where possible.
flow_dissector: Fix function argument ordering dependency
ixgbe: Resolve "initialized field overwritten" warnings
ixgbe: Remove bimodal SR-IOV disabling
ixgbe: Add support for reporting 2.5G link speed
ixgbe: fix bounds checking in ixgbe_setup_tc for 82598
ixgbe: support for ethtool set_rxfh
ixgbe: Avoid needless PHY access on copper phys
ixgbe: cleanup to use cached mask value
ixgbe: Remove second instance of lan_id variable
ixgbe: use kzalloc for allocating one thing
flow: Move __get_hash_from_flowi{4,6} into flow_dissector.c
ixgbe: Remove unused PCI bus types
...
We no longer need to store the clk pointer in struct skt_dev_info as we
no longer need to remember the clk pointer for the cleanup paths.
Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
A library module is not required to have module init/exit functions.
Get rid of these unnecessary functions.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
clk_get(dev, NULL) will always refer to the same clock, so it's
pointless calling this multiple times for the same device. As we no
longer have to worry about the cleanup (via use of devm_clk_get()) we
can simplify sa1111_pcmcia_add() too.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Update the pxa2xx socket driver to use the devm_clk_get() API so that
the cleanup paths are simplified.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Convert the pxa2xx socket driver memory allocation to use devm_kzalloc()
to simplify the cleanup path.
Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Update the pxa2xx socket driver to use the devm_clk_get() API so that
the cleanup paths are simplified.
Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Should help avoid fragmentation of vram due to CPU access
requirements.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
For kernel driver BOs, be explicit about whether we need
vram access up front. This avoids unecessary migrations and
avoids using visible vram for buffers were it's not needed.
v2: line wrap fixes
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
