diff options
| author | Helge Deller <deller@gmx.de> | 2025-10-07 17:08:16 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2025-10-07 19:35:51 +0200 |
| commit | 610cb23bcc75bcd9fead3e41cbd867cccd0eb229 (patch) | |
| tree | 780ea3ac30fe1d3172ddf89a7abf4b732c634cf9 /arch/parisc/include/asm | |
| parent | parisc: Report software alignment faults via perf (diff) | |
| download | linux-610cb23bcc75bcd9fead3e41cbd867cccd0eb229.tar.gz linux-610cb23bcc75bcd9fead3e41cbd867cccd0eb229.zip | |
parisc: Add initial kernel-side perf_event support
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/include/asm')
| -rw-r--r-- | arch/parisc/include/asm/perf_event.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/parisc/include/asm/perf_event.h b/arch/parisc/include/asm/perf_event.h index 1e0fd8ba6c03..8a2925029d15 100644 --- a/arch/parisc/include/asm/perf_event.h +++ b/arch/parisc/include/asm/perf_event.h @@ -1,6 +1,12 @@ #ifndef __ASM_PARISC_PERF_EVENT_H #define __ASM_PARISC_PERF_EVENT_H -/* Empty, just to avoid compiling error */ +#include <asm/psw.h> + +#define perf_arch_fetch_caller_regs(regs, __ip) { \ + (regs)->gr[0] = KERNEL_PSW; \ + (regs)->iaoq[0] = (__ip); \ + asm volatile("copy %%sp, %0\n":"=r"((regs)->gr[30])); \ +} #endif /* __ASM_PARISC_PERF_EVENT_H */ |