On 21 Sep 2014 21:40, "Alex Shi" alex.shi@linaro.org wrote:
I am going to cherry pick d34a3ebd8d25cf691a94fae66a957a480cf46430 into
lsk/v3.10/topic/android-fixed branch
and merge it into lsk-anroid branch to fix the build failure issue. Any
objections for this?
None from me.
/arch/arm64/kernel/ptrace.c:1112:3: error: implicit declaration of
function 'regs_return_value' [-Werror=implicit-function-declaration]
Regards! Alex
=============== commit d34a3ebd8d25cf691a94fae66a957a480cf46430 Author: AKASHI Takahiro takahiro.akashi@linaro.org Date: Wed Apr 30 10:51:31 2014 +0100
arm64: Add regs_return_value() in syscall.h This macro, regs_return_value, is used mainly for audit to record
system
call's results, but may also be used in test_kprobes.c. Acked-by: Will Deacon <will.deacon@arm.com> Acked-by: Richard Guy Briggs <rgb@redhat.com> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>diff --git a/arch/arm64/include/asm/ptrace.h
b/arch/arm64/include/asm/ptrace.h
index c7ba261..a429b59 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -135,6 +135,11 @@ struct pt_regs { #define user_stack_pointer(regs) \ (!compat_user_mode(regs)) ? ((regs)->sp) : ((regs)->compat_sp)
+static inline unsigned long regs_return_value(struct pt_regs *regs) +{
return regs->regs[0];+}
/*
- Are the current registers suitable for user mode? (used to maintain
- security in signal handlers)
-- Thanks Alex