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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-08 11:41:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-08 11:41:08 -0700 |
| commit | ce45327ca044415a5832dacfb76cdcfb747e3240 (patch) | |
| tree | 4117c57fae7de8e0af6edbd35c0f2ad3d90e5367 /arch/csky/include/asm/perf_event.h | |
| parent | e7a1414f9dc3498c4c35b9ca266d539e8bccab53 (diff) | |
| parent | a691f3334d58b833e41d56de1b9820e687edcd78 (diff) | |
Merge tag 'csky-for-linus-5.2-rc1' of git://github.com/c-sky/csky-linux
Pull arch/csky updates from Guo Ren:
- Fixup vdsp&fpu issues in kernel
- Add dynamic function tracer
- Use in_syscall & forget_syscall instead of r11_sig
- Reconstruct signal processing
- Support dynamic start physical address
- Fixup wrong update_mmu_cache implementation
- Support vmlinux bootup with MMU off
- Use va_pa_offset instead of phys_offset
- Fixup syscall_trace return processing flow
- Add perf callchain support
- Add perf_arch_fetch_caller_regs support
- Add page fault perf event support
- Add support for perf registers sampling
* tag 'csky-for-linus-5.2-rc1' of git://github.com/c-sky/csky-linux:
csky/syscall_trace: Fixup return processing flow
csky: Fixup compile warning
csky: Add support for perf registers sampling
csky: add page fault perf event support
csky: Use va_pa_offset instead of phys_offset
csky: Support vmlinux bootup with MMU off
csky: Add perf_arch_fetch_caller_regs support
csky: Fixup wrong update_mmu_cache implementation
csky: Support dynamic start physical address
csky: Reconstruct signal processing
csky: Use in_syscall & forget_syscall instead of r11_sig
csky: Add non-uapi asm/ptrace.h namespace
csky: mm/fault.c: Remove duplicate header
csky: remove redundant generic-y
csky: Update syscall_trace_enter/exit implementation
csky: Add perf callchain support
csky/ftrace: Add dynamic function tracer (include graph tracer)
csky: Fixup vdsp&fpu issues in kernel
Diffstat (limited to 'arch/csky/include/asm/perf_event.h')
| -rw-r--r-- | arch/csky/include/asm/perf_event.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/csky/include/asm/perf_event.h b/arch/csky/include/asm/perf_event.h index ea8193122294..572093e11001 100644 --- a/arch/csky/include/asm/perf_event.h +++ b/arch/csky/include/asm/perf_event.h @@ -4,4 +4,12 @@ #ifndef __ASM_CSKY_PERF_EVENT_H #define __ASM_CSKY_PERF_EVENT_H +#include <abi/regdef.h> + +#define perf_arch_fetch_caller_regs(regs, __ip) { \ + (regs)->pc = (__ip); \ + regs_fp(regs) = (unsigned long) __builtin_frame_address(0); \ + asm volatile("mov %0, sp\n":"=r"((regs)->usp)); \ +} + #endif /* __ASM_PERF_EVENT_ELF_H */ |