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| author | Paul Mundt <lethal@linux-sh.org> | 2012-08-01 13:49:13 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2012-08-01 13:49:13 +0900 |
| commit | 91ba548cfd5cc8ee93b9435527efb8fa4caf5c5e (patch) | |
| tree | c96ed92413044a28d17783e84a8824bfd2437af1 /arch/arm/kernel/entry-common.S | |
| parent | b9ccfda293ee6fca9a89a1584f0900e0627b975e (diff) | |
| parent | 4dc4c51675c137c30838425ecc8d471ff5eb138b (diff) | |
| download | lwn-91ba548cfd5cc8ee93b9435527efb8fa4caf5c5e.tar.gz lwn-91ba548cfd5cc8ee93b9435527efb8fa4caf5c5e.zip | |
Merge branch 'sh/dmaengine' into sh-latest
Diffstat (limited to 'arch/arm/kernel/entry-common.S')
| -rw-r--r-- | arch/arm/kernel/entry-common.S | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 4afed88d250a..49d9f9305247 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -95,13 +95,7 @@ ENDPROC(ret_to_user) ENTRY(ret_from_fork) bl schedule_tail get_thread_info tsk - ldr r1, [tsk, #TI_FLAGS] @ check for syscall tracing mov why, #1 - tst r1, #_TIF_SYSCALL_WORK @ are we tracing syscalls? - beq ret_slow_syscall - mov r1, sp - mov r0, #1 @ trace exit [IP = 1] - bl syscall_trace b ret_slow_syscall ENDPROC(ret_from_fork) @@ -448,10 +442,9 @@ ENDPROC(vector_swi) * context switches, and waiting for our parent to respond. */ __sys_trace: - mov r2, scno - add r1, sp, #S_OFF - mov r0, #0 @ trace entry [IP = 0] - bl syscall_trace + mov r1, scno + add r0, sp, #S_OFF + bl syscall_trace_enter adr lr, BSYM(__sys_trace_return) @ return address mov scno, r0 @ syscall number (possibly new) @@ -463,10 +456,9 @@ __sys_trace: __sys_trace_return: str r0, [sp, #S_R0 + S_OFF]! @ save returned r0 - mov r2, scno - mov r1, sp - mov r0, #1 @ trace exit [IP = 1] - bl syscall_trace + mov r1, scno + mov r0, sp + bl syscall_trace_exit b ret_slow_syscall .align 5 |