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| author | Dapeng Mi <dapeng1.mi@linux.intel.com> | 2026-08-24 16:27:12 +0800 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2026-09-02 13:10:40 +0200 |
| commit | cb388bd530cc518b0e245fb4eabc40f3de538e4f (patch) | |
| tree | b1ee3f21c17b0e7efdf4f16505a108107f7d1d65 /include/linux | |
| parent | bbdf84fcedfa4f1e570e12e7657f7095f6e7d340 (diff) | |
| download | linux-next-cb388bd530cc518b0e245fb4eabc40f3de538e4f.tar.gz linux-next-cb388bd530cc518b0e245fb4eabc40f3de538e4f.zip | |
perf: Eliminate duplicate arch-specific function definitions
Define default common __weak functions for perf_reg_value(),
perf_reg_validate(), perf_reg_abi() and perf_get_regs_user(). This helps
to eliminate the duplicated arch-specific definitions.
No function changes intended.
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260824082731.1013973-5-dapeng1.mi@linux.intel.com
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/perf_regs.h | 32 |
1 files changed, 6 insertions, 26 deletions
diff --git a/include/linux/perf_regs.h b/include/linux/perf_regs.h index f632c5725f16..144bcc3ff19f 100644 --- a/include/linux/perf_regs.h +++ b/include/linux/perf_regs.h @@ -9,6 +9,12 @@ struct perf_regs { struct pt_regs *regs; }; +u64 perf_reg_value(struct pt_regs *regs, int idx); +int perf_reg_validate(u64 mask); +u64 perf_reg_abi(struct task_struct *task); +void perf_get_regs_user(struct perf_regs *regs_user, + struct pt_regs *regs); + #ifdef CONFIG_HAVE_PERF_REGS #include <asm/perf_regs.h> @@ -16,35 +22,9 @@ struct perf_regs { #define PERF_REG_EXTENDED_MASK 0 #endif -u64 perf_reg_value(struct pt_regs *regs, int idx); -int perf_reg_validate(u64 mask); -u64 perf_reg_abi(struct task_struct *task); -void perf_get_regs_user(struct perf_regs *regs_user, - struct pt_regs *regs); #else #define PERF_REG_EXTENDED_MASK 0 -static inline u64 perf_reg_value(struct pt_regs *regs, int idx) -{ - return 0; -} - -static inline int perf_reg_validate(u64 mask) -{ - return mask ? -ENOSYS : 0; -} - -static inline u64 perf_reg_abi(struct task_struct *task) -{ - return PERF_SAMPLE_REGS_ABI_NONE; -} - -static inline void perf_get_regs_user(struct perf_regs *regs_user, - struct pt_regs *regs) -{ - regs_user->regs = task_pt_regs(current); - regs_user->abi = perf_reg_abi(current); -} #endif /* CONFIG_HAVE_PERF_REGS */ #endif /* _LINUX_PERF_REGS_H */ |