diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /arch/openrisc/kernel/entry.S | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/openrisc/kernel/entry.S')
| -rw-r--r-- | arch/openrisc/kernel/entry.S | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S index d5f9c35a583f..6e61af8682b8 100644 --- a/arch/openrisc/kernel/entry.S +++ b/arch/openrisc/kernel/entry.S @@ -95,7 +95,6 @@ handler: ;\ /* r1, EPCR, ESR a already saved */ ;\ l.sw PT_GPR2(r1),r2 ;\ l.sw PT_GPR3(r1),r3 ;\ - l.sw PT_ORIG_GPR11(r1),r11 ;\ /* r4 already save */ ;\ l.sw PT_GPR5(r1),r5 ;\ l.sw PT_GPR6(r1),r6 ;\ @@ -125,7 +124,9 @@ handler: ;\ /* r30 already save */ ;\ /* l.sw PT_GPR30(r1),r30*/ ;\ l.sw PT_GPR31(r1),r31 ;\ - l.sw PT_SYSCALLNO(r1),r0 + /* Store -1 in orig_gpr11 for non-syscall exceptions */ ;\ + l.addi r30,r0,-1 ;\ + l.sw PT_ORIG_GPR11(r1),r30 #define UNHANDLED_EXCEPTION(handler,vector) \ .global handler ;\ @@ -133,7 +134,6 @@ handler: ;\ /* r1, EPCR, ESR already saved */ ;\ l.sw PT_GPR2(r1),r2 ;\ l.sw PT_GPR3(r1),r3 ;\ - l.sw PT_ORIG_GPR11(r1),r11 ;\ l.sw PT_GPR5(r1),r5 ;\ l.sw PT_GPR6(r1),r6 ;\ l.sw PT_GPR7(r1),r7 ;\ @@ -162,7 +162,9 @@ handler: ;\ /* r31 already saved */ ;\ l.sw PT_GPR30(r1),r30 ;\ /* l.sw PT_GPR31(r1),r31 */ ;\ - l.sw PT_SYSCALLNO(r1),r0 ;\ + /* Store -1 in orig_gpr11 for non-syscall exceptions */ ;\ + l.addi r30,r0,-1 ;\ + l.sw PT_ORIG_GPR11(r1),r30 ;\ l.addi r3,r1,0 ;\ /* r4 is exception EA */ ;\ l.addi r5,r0,vector ;\ @@ -554,6 +556,7 @@ ENTRY(_sys_call_handler) l.sw PT_GPR9(r1),r9 /* r10 already saved */ l.sw PT_GPR11(r1),r11 + /* orig_gpr11 must be set for syscalls */ l.sw PT_ORIG_GPR11(r1),r11 /* r12,r13 already saved */ @@ -567,9 +570,6 @@ ENTRY(_sys_call_handler) /* r30 is the only register we clobber in the fast path */ /* r30 already saved */ /* l.sw PT_GPR30(r1),r30 */ - /* This is used by do_signal to determine whether to check for - * syscall restart or not */ - l.sw PT_SYSCALLNO(r1),r11 _syscall_check_trace_enter: /* If TIF_SYSCALL_TRACE is set, then we want to do syscall tracing */ @@ -731,7 +731,7 @@ _syscall_trace_enter: * so that we can do the syscall for real and return to the syscall * hot path. */ - l.lwz r11,PT_SYSCALLNO(r1) + l.lwz r11,PT_GPR11(r1) l.lwz r3,PT_GPR3(r1) l.lwz r4,PT_GPR4(r1) l.lwz r5,PT_GPR5(r1) |