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| author | Sergey Matyukevich <sergey.matyukevich@synopsys.com> | 2022-04-14 10:17:23 +0200 |
|---|---|---|
| committer | Vineet Gupta <vgupta@kernel.org> | 2022-04-25 22:09:47 +0200 |
| commit | fb0b54909b153ac6195378fa8ddee3f7531f8e51 (patch) | |
| tree | 7d74e0f30de818900f5b8f9a4e160ac96e64b593 /arch/arc/kernel/entry.S | |
| parent | ARC: enable HAVE_REGS_AND_STACK_ACCESS_API feature (diff) | |
| download | linux-fb0b54909b153ac6195378fa8ddee3f7531f8e51.tar.xz linux-fb0b54909b153ac6195378fa8ddee3f7531f8e51.zip | |
ARC: implement syscall tracepoints
Implement all the bits required to support HAVE_SYSCALL_TRACEPOINTS
according to Documentation/trace/ftrace-design.rst.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
Diffstat (limited to 'arch/arc/kernel/entry.S')
| -rw-r--r-- | arch/arc/kernel/entry.S | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index 66ba549b520f..54e91df678dd 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -29,8 +29,8 @@ ENTRY(sys_clone_wrapper) DISCARD_CALLEE_SAVED_USER GET_CURR_THR_INFO_FLAGS r10 - btst r10, TIF_SYSCALL_TRACE - bnz tracesys_exit + and.f 0, r10, _TIF_SYSCALL_WORK + bnz tracesys_exit b .Lret_from_system_call END(sys_clone_wrapper) @@ -41,8 +41,8 @@ ENTRY(sys_clone3_wrapper) DISCARD_CALLEE_SAVED_USER GET_CURR_THR_INFO_FLAGS r10 - btst r10, TIF_SYSCALL_TRACE - bnz tracesys_exit + and.f 0, r10, _TIF_SYSCALL_WORK + bnz tracesys_exit b .Lret_from_system_call END(sys_clone3_wrapper) @@ -247,8 +247,8 @@ ENTRY(EV_Trap) ; If syscall tracing ongoing, invoke pre-post-hooks GET_CURR_THR_INFO_FLAGS r10 - btst r10, TIF_SYSCALL_TRACE - bnz tracesys ; this never comes back + and.f 0, r10, _TIF_SYSCALL_WORK + bnz tracesys ; this never comes back ;============ Normal syscall case |