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MIPS: Cleanup flags in syscall flags handlers. 

This will simplify further modifications.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2013-05-29 01:02:18 +02:00
parent 41c8366be8
commit e7f3b48af7
5 changed files with 6 additions and 4 deletions
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2
arch/mips/include/asm/thread_info.h
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@ -131,6 +131,8 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_FPUBOUND (1<<TIF_FPUBOUND) #define _TIF_FPUBOUND (1<<TIF_FPUBOUND)
#define _TIF_LOAD_WATCH (1<<TIF_LOAD_WATCH) #define _TIF_LOAD_WATCH (1<<TIF_LOAD_WATCH)
#define _TIF_WORK_SYSCALL_ENTRY (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT)
/* work to do in syscall_trace_leave() */ /* work to do in syscall_trace_leave() */
#define _TIF_WORK_SYSCALL_EXIT (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT) #define _TIF_WORK_SYSCALL_EXIT (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT)

2
arch/mips/kernel/scall32-o32.S
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@ -52,7 +52,7 @@ NESTED(handle_sys, PT_SIZE, sp)
stack_done: stack_done:
lw t0, TI_FLAGS($28) # syscall tracing enabled? lw t0, TI_FLAGS($28) # syscall tracing enabled?
li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT li t1, _TIF_WORK_SYSCALL_ENTRY
and t0, t1 and t0, t1
bnez t0, syscall_trace_entry # -> yes bnez t0, syscall_trace_entry # -> yes

2
arch/mips/kernel/scall64-64.S
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@ -54,7 +54,7 @@ NESTED(handle_sys64, PT_SIZE, sp)
sd a3, PT_R26(sp) # save a3 for syscall restarting sd a3, PT_R26(sp) # save a3 for syscall restarting
li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT li t1, _TIF_WORK_SYSCALL_ENTRY
LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
and t0, t1, t0 and t0, t1, t0
bnez t0, syscall_trace_entry bnez t0, syscall_trace_entry

2
arch/mips/kernel/scall64-n32.S
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@ -47,7 +47,7 @@ NESTED(handle_sysn32, PT_SIZE, sp)
sd a3, PT_R26(sp) # save a3 for syscall restarting sd a3, PT_R26(sp) # save a3 for syscall restarting
li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT li t1, _TIF_WORK_SYSCALL_ENTRY
LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
and t0, t1, t0 and t0, t1, t0
bnez t0, n32_syscall_trace_entry bnez t0, n32_syscall_trace_entry

2
arch/mips/kernel/scall64-o32.S
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@ -81,7 +81,7 @@ NESTED(handle_sys, PT_SIZE, sp)
PTR 4b, bad_stack PTR 4b, bad_stack
.previous .previous
li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT li t1, _TIF_WORK_SYSCALL_ENTRY
LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
and t0, t1, t0 and t0, t1, t0
bnez t0, trace_a_syscall bnez t0, trace_a_syscall