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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-27 15:14:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-27 15:14:26 -0700 |
| commit | cea8f46c36c3f82860b038aa23a46e16757666ba (patch) | |
| tree | e09dc37d2b6880d86dac09afbc0c686139d86df0 /arch/arm/mm/proc-v7-2level.S | |
| parent | c1e7179a38919f02dd950801529176b72f5e5a8a (diff) | |
| parent | 91b006def384d8f07f9f324ab211fefe2b085c90 (diff) | |
| download | op-kernel-dev-cea8f46c36c3f82860b038aa23a46e16757666ba.zip op-kernel-dev-cea8f46c36c3f82860b038aa23a46e16757666ba.tar.gz | |
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM updates from Russell King:
"First ARM push of this merge window, post me coming back from holiday.
This is what has been in linux-next for the last few weeks. Not much
to say which isn't described by the commit summaries."
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (32 commits)
ARM: 7463/1: topology: Update cpu_power according to DT information
ARM: 7462/1: topology: factorize the update of sibling masks
ARM: 7461/1: topology: Add arch_scale_freq_power function
ARM: 7456/1: ptrace: provide separate functions for tracing syscall {entry,exit}
ARM: 7455/1: audit: move syscall auditing until after ptrace SIGTRAP handling
ARM: 7454/1: entry: don't bother with syscall tracing on ret_from_fork path
ARM: 7453/1: audit: only allow syscall auditing for pure EABI userspace
ARM: 7452/1: delay: allow timer-based delay implementation to be selected
ARM: 7451/1: arch timer: implement read_current_timer and get_cycles
ARM: 7450/1: dcache: select DCACHE_WORD_ACCESS for little-endian ARMv6+ CPUs
ARM: 7449/1: use generic strnlen_user and strncpy_from_user functions
ARM: 7448/1: perf: remove arm_perf_pmu_ids global enumeration
ARM: 7447/1: rwlocks: remove unused branch labels from trylock routines
ARM: 7446/1: spinlock: use ticket algorithm for ARMv6+ locking implementation
ARM: 7445/1: mm: update CONTEXTIDR register to contain PID of current process
ARM: 7444/1: kernel: add arch-timer C3STOP feature
ARM: 7460/1: remove asm/locks.h
ARM: 7439/1: head.S: simplify initial page table mapping
ARM: 7437/1: zImage: Allow DTB command line concatenation with ATAG_CMDLINE
ARM: 7436/1: Do not map the vectors page as write-through on UP systems
...
Diffstat (limited to 'arch/arm/mm/proc-v7-2level.S')
| -rw-r--r-- | arch/arm/mm/proc-v7-2level.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mm/proc-v7-2level.S b/arch/arm/mm/proc-v7-2level.S index 42ac069..fd045e7 100644 --- a/arch/arm/mm/proc-v7-2level.S +++ b/arch/arm/mm/proc-v7-2level.S @@ -46,6 +46,11 @@ ENTRY(cpu_v7_switch_mm) #ifdef CONFIG_ARM_ERRATA_430973 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB #endif +#ifdef CONFIG_PID_IN_CONTEXTIDR + mrc p15, 0, r2, c13, c0, 1 @ read current context ID + lsr r2, r2, #8 @ extract the PID + bfi r1, r2, #8, #24 @ insert into new context ID +#endif #ifdef CONFIG_ARM_ERRATA_754322 dsb #endif |
