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| author | Jens Axboe <axboe@kernel.dk> | 2020-11-09 07:19:32 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-11-09 07:19:32 -0700 |
| commit | 29701d69b98d0a132abd63fe2e51125f478fbc53 (patch) | |
| tree | 0650d3905c76124eb8c29d17c8434b5bb8954fe2 /include/linux/entry-common.h | |
| parent | f8394f232b1eab649ce2df5c5f15b0e528c92091 (diff) | |
| parent | 114518eb6430b832d2f9f5a008043b913ccf0e24 (diff) | |
Merge tag 'core-entry-notify-signal' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into tif-task_work.arch
Core changes to support TASK_NOTIFY_SIGNAL
* tag 'core-entry-notify-signal' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
task_work: Use TIF_NOTIFY_SIGNAL if available
entry: Add support for TIF_NOTIFY_SIGNAL
signal: Add task_sigpending() helper
Diffstat (limited to 'include/linux/entry-common.h')
| -rw-r--r-- | include/linux/entry-common.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h index 474f29638d2c..b9711e813ec2 100644 --- a/include/linux/entry-common.h +++ b/include/linux/entry-common.h @@ -37,6 +37,10 @@ # define _TIF_UPROBE (0) #endif +#ifndef _TIF_NOTIFY_SIGNAL +# define _TIF_NOTIFY_SIGNAL (0) +#endif + /* * TIF flags handled in syscall_enter_from_user_mode() */ @@ -69,7 +73,7 @@ #define EXIT_TO_USER_MODE_WORK \ (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ - _TIF_NEED_RESCHED | _TIF_PATCH_PENDING | \ + _TIF_NEED_RESCHED | _TIF_PATCH_PENDING | _TIF_NOTIFY_SIGNAL | \ ARCH_EXIT_TO_USER_MODE_WORK) /** @@ -259,12 +263,13 @@ static __always_inline void arch_exit_to_user_mode(void) { } #endif /** - * arch_do_signal - Architecture specific signal delivery function + * arch_do_signal_or_restart - Architecture specific signal delivery function * @regs: Pointer to currents pt_regs + * @has_signal: actual signal to handle * * Invoked from exit_to_user_mode_loop(). */ -void arch_do_signal(struct pt_regs *regs); +void arch_do_signal_or_restart(struct pt_regs *regs, bool has_signal); /** * arch_syscall_exit_tracehook - Wrapper around tracehook_report_syscall_exit() |