[PATCH] powerpc: Rename _TIF_SYSCALL_T_OR_A to _TIF_SYSCALL_DOTRACE
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2015-01-15 01:01:44
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Once upon a time, at least 9 years ago (< 2.6.12), _TIF_SYSCALL_T_OR_A meant "TRACE or AUDIT". But these days it means TRACE or AUDIT or SECCOMP or TRACEPOINT or NOHZ. All of those are implemented via syscall_dotrace() so rename the flag to that to try and clarify things. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> --- arch/powerpc/include/asm/thread_info.h | 2 +- arch/powerpc/kernel/entry_32.S | 6 +++--- arch/powerpc/kernel/entry_64.S | 6 +++--- 3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index ebc4f165690a..c1efa05613f0 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h@@ -124,7 +124,7 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) #define _TIF_EMULATE_STACK_STORE (1<<TIF_EMULATE_STACK_STORE) #define _TIF_NOHZ (1<<TIF_NOHZ) -#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ +#define _TIF_SYSCALL_DOTRACE (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT | \ _TIF_NOHZ)
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 10a093579191..da6379550fd2 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S@@ -337,7 +337,7 @@ _GLOBAL(DoSyscall) #endif /* CONFIG_TRACE_IRQFLAGS */ CURRENT_THREAD_INFO(r10, r1) lwz r11,TI_FLAGS(r10) - andi. r11,r11,_TIF_SYSCALL_T_OR_A + andi. r11,r11,_TIF_SYSCALL_DOTRACE bne- syscall_dotrace syscall_dotrace_cont: cmplwi 0,r0,NR_syscalls
@@ -364,7 +364,7 @@ ret_from_syscall: MTMSRD(r10) lwz r9,TI_FLAGS(r12) li r8,-_LAST_ERRNO - andi. r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP|_TIF_USER_WORK_MASK|_TIF_PERSYSCALL_MASK) + andi. r0,r9,(_TIF_SYSCALL_DOTRACE|_TIF_SINGLESTEP|_TIF_USER_WORK_MASK|_TIF_PERSYSCALL_MASK) bne- syscall_exit_work cmplw 0,r3,r8 blt+ syscall_exit_cont
@@ -501,7 +501,7 @@ syscall_exit_work: subi r12,r12,TI_FLAGS 4: /* Anything which requires enabling interrupts? */ - andi. r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP) + andi. r0,r9,(_TIF_SYSCALL_DOTRACE|_TIF_SINGLESTEP) beq ret_from_except /* Re-enable interrupts. There is no need to trace that with
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 194e46dcf08d..3291ed148bdf 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S@@ -151,7 +151,7 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR) #endif CURRENT_THREAD_INFO(r11, r1) ld r10,TI_FLAGS(r11) - andi. r11,r10,_TIF_SYSCALL_T_OR_A + andi. r11,r10,_TIF_SYSCALL_DOTRACE bne syscall_dotrace .Lsyscall_dotrace_cont: cmpldi 0,r0,NR_syscalls
@@ -214,7 +214,7 @@ syscall_exit: ld r9,TI_FLAGS(r12) li r11,-_LAST_ERRNO - andi. r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP|_TIF_USER_WORK_MASK|_TIF_PERSYSCALL_MASK) + andi. r0,r9,(_TIF_SYSCALL_DOTRACE|_TIF_SINGLESTEP|_TIF_USER_WORK_MASK|_TIF_PERSYSCALL_MASK) bne- syscall_exit_work cmpld r3,r11 ld r5,_CCR(r1)
@@ -307,7 +307,7 @@ syscall_exit_work: 4: /* Anything else left to do? */ SET_DEFAULT_THREAD_PPR(r3, r10) /* Set thread.ppr = 3 */ - andi. r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP) + andi. r0,r9,(_TIF_SYSCALL_DOTRACE|_TIF_SINGLESTEP) beq ret_from_except_lite /* Re-enable interrupts */
--
2.1.0