From: Eric Paris Date: Tue, 22 Apr 2014 16:39:51 +0000 (-0400) Subject: sparc: implement is_32bit_task X-Git-Tag: v5.15~15883^2~34 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a17c8b54dc738c4fda31e8be0302cd131a04c19f;p=platform%2Fkernel%2Flinux-starfive.git sparc: implement is_32bit_task We are currently embedding the same check from thread_info.h into syscall.h thanks to the way syscall_get_arch() was implemented in the audit tree. Instead create a new function, is_32bit_task() which is similar to that found on the powerpc arch. This simplifies the syscall.h code and makes the build/Kconfig requirements much easier to understand. Signed-off-by: Eric Paris Cc: Stephen Rothwell Cc: sparclinux@vger.kernel.org --- diff --git a/arch/sparc/include/asm/syscall.h b/arch/sparc/include/asm/syscall.h index a5a8153..49f71fd 100644 --- a/arch/sparc/include/asm/syscall.h +++ b/arch/sparc/include/asm/syscall.h @@ -128,12 +128,7 @@ static inline void syscall_set_arguments(struct task_struct *task, static inline int syscall_get_arch(void) { -#if defined(__sparc__) && defined(__arch64__) - return test_thread_flag(TIF_32BIT) ? AUDIT_ARCH_SPARC - : AUDIT_ARCH_SPARC64; -#else - return AUDIT_ARCH_SPARC; -#endif + return is_32bit_task() ? AUDIT_ARCH_SPARC : AUDIT_ARCH_SPARC64; } #endif /* __ASM_SPARC_SYSCALL_H */ diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h index 96efa7a..025c984 100644 --- a/arch/sparc/include/asm/thread_info_32.h +++ b/arch/sparc/include/asm/thread_info_32.h @@ -130,6 +130,8 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | \ _TIF_SIGPENDING) +#define is_32bit_task() (1) + #endif /* __KERNEL__ */ #endif /* _ASM_THREAD_INFO_H */ diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index a5f01ac..5a4f660 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -219,6 +219,8 @@ register struct thread_info *current_thread_info_reg asm("g6"); _TIF_NEED_RESCHED) #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING) +#define is_32bit_task() (test_thread_flag(TIF_32BIT)) + /* * Thread-synchronous status. *