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| author |   Russell King <rmk+kernel@armlinux.org.uk> | 2016-05-13 10:26:10 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2016-06-22 19:55:05 +0100 |
| commit | 5fa9da5043a81b9eea5d4522d1371455bf64894a (patch) | |
| tree | 8d34aa442332ab6b7e71d9edf99341db70590e51 | |
| parent | ARM: introduce svc_pt_regs structure (diff) | |
| download | wireguard-linux-5fa9da5043a81b9eea5d4522d1371455bf64894a.tar.xz wireguard-linux-5fa9da5043a81b9eea5d4522d1371455bf64894a.zip | |
ARM: get rid of horrible *(unsigned int *)(regs + 1)
Get rid of the horrible "*(unsigned int *)(regs + 1)" to get at the
parent context domain access register value, instead using the newly
introduced svc_pt_regs structure.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to '')
| -rw-r--r-- | arch/arm/include/asm/ptrace.h | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/process.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h index 5194cf79c90f..0ef0093800f2 100644 --- a/arch/arm/include/asm/ptrace.h +++ b/arch/arm/include/asm/ptrace.h @@ -25,6 +25,8 @@ struct svc_pt_regs { u32 unused; }; +#define to_svc_pt_regs(r) container_of(r, struct svc_pt_regs, regs) + #define user_mode(regs) \ (((regs)->ARM_cpsr & 0xf) == 0) diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 4a803c5a1ff7..f1c720c0d568 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -106,7 +106,7 @@ void __show_regs(struct pt_regs *regs) if (user_mode(regs)) domain = DACR_UACCESS_ENABLE; else - domain = *(unsigned int *)(regs + 1); + domain = to_svc_pt_regs(regs)->dacr; #else domain = get_domain(); #endif |