evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Xtensa improvements for 3.18:

Browse source 
- add seccomp, getrandom, and memfd_create syscalls;
 - add defconfigs for KC705 and SMP LX200;
 - fix ISS and xtfpga Kconfig dependencies so that more randconfigs
   are buildable;
 - fix umount syscall;
 - implement pgprot_noncached.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJURijdAAoJEFH5zJH4P6BEOggP/i2VVO18pYPA0f5F6tjHPKz5
 YWTz03ebJE41FJCuhXsoolYGfZjBAv2Vnad5GymqOWXBfq/9w+Lev8UVPBLb+7uu
 Qy6bWcYcHPk2xgUrPXJGfiiX/hItYDdWclEXk9zIdV9/yEzunus9d/OskMk69Lav
 37RT6K78mfkv9F0RzrK2UNpb1CLjXFJ8TmVDGv2Pvi1xNJKih+WEX/S9VmFDmQBP
 iuRCbKPgT1PqELn0Q76NaQzOs7i9C3sy55CLmPPTQjTvSlPwO3OTzOQ4QrDOVZtG
 GvBhbnVkBco5yOLLF+1lHGPyk+2kDfr4c/uqvFnHHM2lKs1pLw/80C5zzo6azzUO
 MgIQHBGwR6VnCY2a6UpK9NFGuGaKW6yl4yaMqKTTFUt8N/cQadjgZ19xPgPZZlg1
 Mll5ZeBs05g6/Ph3nGuBLfa21hnNk2iZjU7/5d1acQTNjCm1HdU3AjcqHBaWIt5o
 Ee0EhNRHRrq/bJv+dgLUXiezAAdMLMvmGSOIu9jNV2LmbwgdrjfcMJbiPfEFDvsA
 4+++z56iu5rqLWxrU+pMDInN3rY2W/s2fLwkmqZcy64g0uiZuNhh+fulBCSnbm+C
 qEyDZXFfPEq+cv9mTH0ieP5YowSCHraYY68ALWt/OVwjahp7b7R5ifIr27eziYkk
 KRQtlJAWIAIvh5fUrYaN
 =F6y4
 -----END PGP SIGNATURE-----

Merge tag 'xtensa-for-next-20141021-1' of git://github.com/jcmvbkbc/linux-xtensa into for_next

Xtensa improvements for 3.18:

- add seccomp, getrandom, and memfd_create syscalls;
- add defconfigs for KC705 and SMP LX200;
- fix ISS and xtfpga Kconfig dependencies so that more randconfigs
  are buildable;
- fix umount syscall;
- implement pgprot_noncached.
This commit is contained in:
Chris Zankel 2014-10-23 10:30:33 -07:00
commit 66acb0216d
6 changed files with 296 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
arch/xtensa/Kconfig
View file

@ -319,8 +319,8 @@ config XTENSA_PLATFORM_S6105
config XTENSA_PLATFORM_XTFPGA config XTENSA_PLATFORM_XTFPGA
bool "XTFPGA" bool "XTFPGA"
select ETHOC if ETHERNET
select SERIAL_CONSOLE select SERIAL_CONSOLE
select ETHOC
select XTENSA_CALIBRATE_CCOUNT select XTENSA_CALIBRATE_CCOUNT
help help
XTFPGA is the name of Tensilica board family (LX60, LX110, LX200, ML605). XTFPGA is the name of Tensilica board family (LX60, LX110, LX200, ML605).
@ -367,7 +367,7 @@ config BUILTIN_DTB
config BLK_DEV_SIMDISK config BLK_DEV_SIMDISK
tristate "Host file-based simulated block device support" tristate "Host file-based simulated block device support"
default n default n
depends on XTENSA_PLATFORM_ISS depends on XTENSA_PLATFORM_ISS && BLOCK
help help
Create block devices that map to files in the host file system. Create block devices that map to files in the host file system.
Device binding to host file may be changed at runtime via proc Device binding to host file may be changed at runtime via proc

16
arch/xtensa/boot/dts/lx200mx.dts Normal file
View file

@ -0,0 +1,16 @@
/dts-v1/;
/include/ "xtfpga.dtsi"
/include/ "xtfpga-flash-16m.dtsi"
/ {
compatible = "cdns,xtensa-lx200";
memory@0 {
device_type = "memory";
reg = <0x00000000 0x06000000>;
};
pic: pic {
compatible = "cdns,xtensa-mx";
#interrupt-cells = <2>;
interrupt-controller;
};
};

131
arch/xtensa/configs/generic_kc705_defconfig Normal file
View file

@ -0,0 +1,131 @@
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_FHANDLE=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_IRQ_TIME_ACCOUNTING=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_CGROUP_DEBUG=y
CONFIG_CGROUP_FREEZER=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CPUSETS=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_RESOURCE_COUNTERS=y
CONFIG_MEMCG=y
CONFIG_NAMESPACES=y
CONFIG_SCHED_AUTOGROUP=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS_ALL=y
CONFIG_PROFILING=y
CONFIG_OPROFILE=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_XTENSA_VARIANT_DC233C=y
CONFIG_XTENSA_UNALIGNED_USER=y
CONFIG_PREEMPT=y
CONFIG_HIGHMEM=y
# CONFIG_PCI is not set
CONFIG_XTENSA_PLATFORM_XTFPGA=y
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug"
CONFIG_USE_OF=y
CONFIG_BUILTIN_DTB="kc705"
# CONFIG_COMPACTION is not set
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
# CONFIG_IPV6 is not set
CONFIG_NETFILTER=y
# CONFIG_WIRELESS is not set
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
CONFIG_MTD=y
CONFIG_MTD_CFI=y
CONFIG_MTD_JEDECPROBE=y
CONFIG_MTD_CFI_INTELEXT=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_CFI_STAA=y
CONFIG_MTD_PHYSMAP_OF=y
CONFIG_MTD_UBI=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_NETDEVICES=y
# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_INTEL is not set
# CONFIG_NET_VENDOR_MARVELL is not set
# CONFIG_NET_VENDOR_MICREL is not set
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_STMICRO is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_MARVELL_PHY=y
# CONFIG_WLAN is not set
# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
CONFIG_SERIAL_8250=y
# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_HW_RANDOM=y
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_SOFT_WATCHDOG=y
# CONFIG_VGA_CONSOLE is not set
# CONFIG_USB_SUPPORT is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
CONFIG_FANOTIFY=y
CONFIG_VFAT_FS=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_UBIFS_FS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V4=y
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_SUNRPC_DEBUG=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_LOCKUP_DETECTOR=y
# CONFIG_SCHED_DEBUG is not set
CONFIG_SCHEDSTATS=y
CONFIG_TIMER_STATS=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_ATOMIC_SLEEP=y
CONFIG_STACKTRACE=y
CONFIG_RCU_TRACE=y
# CONFIG_FTRACE is not set
CONFIG_LD_NO_RELAX=y
# CONFIG_S32C1I_SELFTEST is not set
CONFIG_CRYPTO_ANSI_CPRNG=y

135
arch/xtensa/configs/smp_lx200_defconfig Normal file
View file

@ -0,0 +1,135 @@
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_FHANDLE=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_IRQ_TIME_ACCOUNTING=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_CGROUP_DEBUG=y
CONFIG_CGROUP_FREEZER=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CPUSETS=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_RESOURCE_COUNTERS=y
CONFIG_MEMCG=y
CONFIG_NAMESPACES=y
CONFIG_SCHED_AUTOGROUP=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS_ALL=y
CONFIG_PROFILING=y
CONFIG_OPROFILE=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_XTENSA_VARIANT_CUSTOM=y
CONFIG_XTENSA_VARIANT_CUSTOM_NAME="test_mmuhifi_c3"
CONFIG_XTENSA_UNALIGNED_USER=y
CONFIG_PREEMPT=y
CONFIG_HAVE_SMP=y
CONFIG_SMP=y
CONFIG_HOTPLUG_CPU=y
# CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX is not set
# CONFIG_PCI is not set
CONFIG_XTENSA_PLATFORM_XTFPGA=y
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug"
CONFIG_USE_OF=y
CONFIG_BUILTIN_DTB="lx200mx"
# CONFIG_COMPACTION is not set
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
# CONFIG_IPV6 is not set
CONFIG_NETFILTER=y
# CONFIG_WIRELESS is not set
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
CONFIG_MTD=y
CONFIG_MTD_CFI=y
CONFIG_MTD_JEDECPROBE=y
CONFIG_MTD_CFI_INTELEXT=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_CFI_STAA=y
CONFIG_MTD_PHYSMAP_OF=y
CONFIG_MTD_UBI=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_NETDEVICES=y
# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_INTEL is not set
# CONFIG_NET_VENDOR_MARVELL is not set
# CONFIG_NET_VENDOR_MICREL is not set
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_STMICRO is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_MARVELL_PHY=y
# CONFIG_WLAN is not set
# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
CONFIG_SERIAL_8250=y
# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_HW_RANDOM=y
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_SOFT_WATCHDOG=y
# CONFIG_VGA_CONSOLE is not set
# CONFIG_USB_SUPPORT is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
CONFIG_FANOTIFY=y
CONFIG_VFAT_FS=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_UBIFS_FS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V4=y
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_SUNRPC_DEBUG=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_VM=y
CONFIG_LOCKUP_DETECTOR=y
CONFIG_SCHEDSTATS=y
CONFIG_TIMER_STATS=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_ATOMIC_SLEEP=y
CONFIG_STACKTRACE=y
CONFIG_RCU_TRACE=y
# CONFIG_FTRACE is not set
CONFIG_LD_NO_RELAX=y
# CONFIG_S32C1I_SELFTEST is not set
CONFIG_CRYPTO_ANSI_CPRNG=y

2
arch/xtensa/include/asm/pgtable.h
View file

@ -277,6 +277,8 @@ static inline pte_t pte_mkwrite(pte_t pte)
static inline pte_t pte_mkspecial(pte_t pte) static inline pte_t pte_mkspecial(pte_t pte)
{ return pte; } { return pte; }
#define pgprot_noncached(prot) (__pgprot(pgprot_val(prot) & ~_PAGE_CA_MASK))
/* /*
* Conversion functions: convert a page and protection to a page entry, * Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to. * and a page entry and page directory to the page they refer to.

12
arch/xtensa/include/uapi/asm/unistd.h
View file

@ -384,7 +384,8 @@ __SYSCALL(174, sys_chroot, 1)
#define __NR_pivot_root 175 #define __NR_pivot_root 175
__SYSCALL(175, sys_pivot_root, 2) __SYSCALL(175, sys_pivot_root, 2)
#define __NR_umount 176 #define __NR_umount 176
__SYSCALL(176, sys_umount, 2) __SYSCALL(176, sys_oldumount, 1)
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __NR_swapoff 177 #define __NR_swapoff 177
__SYSCALL(177, sys_swapoff, 1) __SYSCALL(177, sys_swapoff, 1)
#define __NR_sync 178 #define __NR_sync 178
@ -742,7 +743,14 @@ __SYSCALL(335, sys_sched_getattr, 3)
#define __NR_renameat2 336 #define __NR_renameat2 336
__SYSCALL(336, sys_renameat2, 5) __SYSCALL(336, sys_renameat2, 5)
#define __NR_syscall_count 337 #define __NR_seccomp 337
__SYSCALL(337, sys_seccomp, 3)
#define __NR_getrandom 338
__SYSCALL(338, sys_getrandom, 3)
#define __NR_memfd_create 339
__SYSCALL(339, sys_memfd_create, 2)
#define __NR_syscall_count 340
/* /*
* sysxtensa syscall handler * sysxtensa syscall handler