| Message ID | E1b1AeZ-0005DQ-9o@rmk-PC.arm.linux.org.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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 4adfb46e3ee9..05a5e44721a0 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
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. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> --- arch/arm/include/asm/ptrace.h | 2 ++ arch/arm/kernel/process.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-)