powerpc: Rename _TIF_SYSCALL_T_OR_A to _TIF_SYSCALL_DOTRACE
authorMichael Ellerman <mpe@ellerman.id.au>
Thu, 15 Jan 2015 01:01:42 +0000 (12:01 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Fri, 23 Jan 2015 03:02:51 +0000 (14:02 +1100)
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
arch/powerpc/kernel/entry_32.S
arch/powerpc/kernel/entry_64.S

index ebc4f165690a9fc0113864b6857708b5df8c317a..c1efa05613f0d52c313f26489f331c11dafc1877 100644 (file)
@@ -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)
 
index 10a0935791911a49ba7db07f00c3b58ed1a4c3e0..da6379550fd2164402bd9fd0cca627d3ba6ac3b0 100644 (file)
@@ -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
index 194e46dcf08d6f104a27fbf7448f661c6d3cb4be..3291ed148bdfe2bc00180298ca801a3360ebdf19 100644 (file)
@@ -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 */