diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-09 11:30:56 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-09 11:30:56 -0800 |
| commit | 59e8f10ac16186c226ef81937994534b28b976f4 (patch) | |
| tree | 66149a98d76008ac3e36a4cae624651f20659e07 | |
| parent | d966564fcdc19e13eb6ba1fbe6b8101070339c3d (diff) | |
| parent | 228dbbfb5d77f8e047b2a1d78da14b7158433027 (diff) | |
Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
"A couple more fixes for 4.10:
- fix addressing the short regset write issue (Dave Martin)
- fix for LPAE systems which leave a pending imprecise data abort
before entering the kernel (Alexander Sverdlin)"
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8643/3: arm/ptrace: Preserve previous registers for short regset write
ARM: 8642/1: LPAE: catch pending imprecise abort on unmask
| -rw-r--r-- | arch/arm/kernel/ptrace.c | 2 | ||||
| -rw-r--r-- | arch/arm/mm/fault.c | 4 | ||||
| -rw-r--r-- | arch/arm/mm/fault.h | 4 |
3 files changed, 7 insertions, 3 deletions
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index ce131ed5939d..ae738a6319f6 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -600,7 +600,7 @@ static int gpr_set(struct task_struct *target, const void *kbuf, const void __user *ubuf) { int ret; - struct pt_regs newregs; + struct pt_regs newregs = *task_pt_regs(target); ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &newregs, diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 3a2e678b8d30..0122ad1a6027 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -610,9 +610,9 @@ static int __init early_abort_handler(unsigned long addr, unsigned int fsr, void __init early_abt_enable(void) { - fsr_info[22].fn = early_abort_handler; + fsr_info[FSR_FS_AEA].fn = early_abort_handler; local_abt_enable(); - fsr_info[22].fn = do_bad; + fsr_info[FSR_FS_AEA].fn = do_bad; } #ifndef CONFIG_ARM_LPAE diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h index 67532f242271..afc1f84e763b 100644 --- a/arch/arm/mm/fault.h +++ b/arch/arm/mm/fault.h @@ -11,11 +11,15 @@ #define FSR_FS5_0 (0x3f) #ifdef CONFIG_ARM_LPAE +#define FSR_FS_AEA 17 + static inline int fsr_fs(unsigned int fsr) { return fsr & FSR_FS5_0; } #else +#define FSR_FS_AEA 22 + static inline int fsr_fs(unsigned int fsr) { return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6; |