diff options
| author | Mark Brown <broonie@kernel.org> | 2025-10-13 15:32:13 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-10-13 15:32:13 +0300 |
| commit | 4f38da1f027ea2c9f01bb71daa7a299c191b6940 (patch) | |
| tree | 701d1096f1a3df53ecf2a0231d2ed9a868c9b4b3 /include/linux/rseq.h | |
| parent | 18a5f1af596e6ba22cd40ada449063041f3ce6d4 (diff) | |
| parent | 3a8660878839faadb4f1a6dd72c3179c1df56787 (diff) | |
| download | linux-4f38da1f027ea2c9f01bb71daa7a299c191b6940.tar.xz | |
spi: Merge up v6.18-rc1
Ensure my CI has a sensible baseline.
Diffstat (limited to 'include/linux/rseq.h')
| -rw-r--r-- | include/linux/rseq.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/include/linux/rseq.h b/include/linux/rseq.h index bc8af3eb5598..69553e7c14c1 100644 --- a/include/linux/rseq.h +++ b/include/linux/rseq.h @@ -7,6 +7,12 @@ #include <linux/preempt.h> #include <linux/sched.h> +#ifdef CONFIG_MEMBARRIER +# define RSEQ_EVENT_GUARD irq +#else +# define RSEQ_EVENT_GUARD preempt +#endif + /* * Map the event mask on the user-space ABI enum rseq_cs_flags * for direct mask checks. @@ -41,9 +47,8 @@ static inline void rseq_handle_notify_resume(struct ksignal *ksig, static inline void rseq_signal_deliver(struct ksignal *ksig, struct pt_regs *regs) { - preempt_disable(); - __set_bit(RSEQ_EVENT_SIGNAL_BIT, ¤t->rseq_event_mask); - preempt_enable(); + scoped_guard(RSEQ_EVENT_GUARD) + __set_bit(RSEQ_EVENT_SIGNAL_BIT, ¤t->rseq_event_mask); rseq_handle_notify_resume(ksig, regs); } @@ -65,7 +70,7 @@ static inline void rseq_migrate(struct task_struct *t) * If parent process has a registered restartable sequences area, the * child inherits. Unregister rseq for a clone with CLONE_VM set. */ -static inline void rseq_fork(struct task_struct *t, unsigned long clone_flags) +static inline void rseq_fork(struct task_struct *t, u64 clone_flags) { if (clone_flags & CLONE_VM) { t->rseq = NULL; @@ -107,7 +112,7 @@ static inline void rseq_preempt(struct task_struct *t) static inline void rseq_migrate(struct task_struct *t) { } -static inline void rseq_fork(struct task_struct *t, unsigned long clone_flags) +static inline void rseq_fork(struct task_struct *t, u64 clone_flags) { } static inline void rseq_execve(struct task_struct *t) |