diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-31 14:25:52 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-31 14:25:52 -0800 |
| commit | deb2a1d29bf0168ff2575e714e5c1f156be663fb (patch) | |
| tree | 7fc7940c20322dbb6667ba9d5070f5c2d45d4a48 /arch/arm64/kernel/suspend.c | |
| parent | bcc9f96681a1e272b38f16e324d4510823f85730 (diff) | |
| parent | c2c93e5b7f3f42277ec25ff3746096abc0c0d0f7 (diff) | |
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pyll ARM64 patches from Catalin Marinas:
- Build fix with DMA_CMA enabled
- Introduction of PTE_WRITE to distinguish between writable but clean
and truly read-only pages
- FIQs enabling/disabling clean-up (they aren't used on arm64)
- CPU resume fix for the per-cpu offset restoring
- Code comment typos
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mm: Introduce PTE_WRITE
arm64: mm: Remove PTE_BIT_FUNC macro
arm64: FIQs are unused
arm64: mm: fix the function name in comment of cpu_do_switch_mm
arm64: fix build error if DMA_CMA is enabled
arm64: kernel: fix per-cpu offset restore on resume
arm64: mm: fix the function name in comment of __flush_dcache_area
arm64: mm: use ubfm for dcache_line_size
Diffstat (limited to 'arch/arm64/kernel/suspend.c')
| -rw-r--r-- | arch/arm64/kernel/suspend.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c index 430344e2c989..1fa9ce4afd8f 100644 --- a/arch/arm64/kernel/suspend.c +++ b/arch/arm64/kernel/suspend.c @@ -1,3 +1,4 @@ +#include <linux/percpu.h> #include <linux/slab.h> #include <asm/cacheflush.h> #include <asm/cpu_ops.h> @@ -89,6 +90,13 @@ int cpu_suspend(unsigned long arg) if (ret == 0) { cpu_switch_mm(mm->pgd, mm); flush_tlb_all(); + + /* + * Restore per-cpu offset before any kernel + * subsystem relying on it has a chance to run. + */ + set_my_cpu_offset(per_cpu_offset(cpu)); + /* * Restore HW breakpoint registers to sane values * before debug exceptions are possibly reenabled |