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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-31 23:25:52 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-31 23:25:52 +0100 |
| commit | deb2a1d29bf0168ff2575e714e5c1f156be663fb (patch) | |
| tree | 7fc7940c20322dbb6667ba9d5070f5c2d45d4a48 /arch/arm64/kernel | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mat... (diff) | |
| parent | arm64: mm: Introduce PTE_WRITE (diff) | |
| download | linux-deb2a1d29bf0168ff2575e714e5c1f156be663fb.tar.xz linux-deb2a1d29bf0168ff2575e714e5c1f156be663fb.zip | |
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')
| -rw-r--r-- | arch/arm64/kernel/process.c | 6 | ||||
| -rw-r--r-- | arch/arm64/kernel/smp.c | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/suspend.c | 8 |
3 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 248a15db37f2..1c0a9be2ffa8 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -85,11 +85,6 @@ EXPORT_SYMBOL_GPL(pm_power_off); void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd); EXPORT_SYMBOL_GPL(arm_pm_restart); -void arch_cpu_idle_prepare(void) -{ - local_fiq_enable(); -} - /* * This is our default idle handler. */ @@ -138,7 +133,6 @@ void machine_restart(char *cmd) /* Disable interrupts first */ local_irq_disable(); - local_fiq_disable(); /* Now call the architecture specific reboot code. */ if (arm_pm_restart) diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 1b7617ab499b..7cfb92a4ab66 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -161,7 +161,6 @@ asmlinkage void secondary_start_kernel(void) complete(&cpu_running); local_irq_enable(); - local_fiq_enable(); local_async_enable(); /* @@ -495,7 +494,6 @@ static void ipi_cpu_stop(unsigned int cpu) set_cpu_online(cpu, false); - local_fiq_disable(); local_irq_disable(); while (1) 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 |