diff options
| author | Jens Axboe <axboe@kernel.dk> | 2020-10-09 15:56:07 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-11-12 08:45:56 -0700 |
| commit | bec58f40d6c5372d812c93cc3947f3bc97440e57 (patch) | |
| tree | f91545d9e618944051fd1a2eebcccfbfa06a6eab /arch/xtensa/kernel | |
| parent | 32d59773da38cd83e497a70eb9754d4bbae3aeae (diff) | |
| download | linux-bec58f40d6c5372d812c93cc3947f3bc97440e57.tar.bz2 | |
xtensa: add support for TIF_NOTIFY_SIGNAL
Wire up TIF_NOTIFY_SIGNAL handling for xtensa.
Thanks to Max Filippov <jcmvbkbc@gmail.com> for making the asm correct.
Cc: linux-xtensa@linux-xtensa.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'arch/xtensa/kernel')
| -rw-r--r-- | arch/xtensa/kernel/entry.S | 4 | ||||
| -rw-r--r-- | arch/xtensa/kernel/signal.c | 3 |
2 files changed, 4 insertions, 3 deletions
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index 703cf6205efe..647b162f959b 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -500,8 +500,8 @@ common_exception_return: */ _bbsi.l a4, TIF_NEED_RESCHED, 3f - _bbsi.l a4, TIF_NOTIFY_RESUME, 2f - _bbci.l a4, TIF_SIGPENDING, 5f + movi a2, _TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NOTIFY_SIGNAL + bnone a4, a2, 5f 2: l32i a4, a1, PT_DEPC bgeui a4, VALID_DOUBLE_EXCEPTION_ADDRESS, 4f diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c index 1fb1047f905c..c4d77dbfb61a 100644 --- a/arch/xtensa/kernel/signal.c +++ b/arch/xtensa/kernel/signal.c @@ -498,7 +498,8 @@ static void do_signal(struct pt_regs *regs) void do_notify_resume(struct pt_regs *regs) { - if (test_thread_flag(TIF_SIGPENDING)) + if (test_thread_flag(TIF_SIGPENDING) || + test_thread_flag(TIF_NOTIFY_SIGNAL)) do_signal(regs); if (test_thread_flag(TIF_NOTIFY_RESUME)) |