Messages in this thread | | | From | "Tan, Ley Foon" <> | Subject | RE: [PATCH] nios32: add support for TIF_NOTIFY_SIGNAL | Date | Fri, 30 Oct 2020 00:27:11 +0000 |
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> -----Original Message----- > From: Jens Axboe <axboe@kernel.dk> > Sent: Friday, October 30, 2020 12:18 AM > To: Tan, Ley Foon <ley.foon.tan@intel.com>; linux-kernel@vger.kernel.org > Subject: [PATCH] nios32: add support for TIF_NOTIFY_SIGNAL > > Wire up TIF_NOTIFY_SIGNAL handling for nios32. > > Cc: Ley Foon Tan <ley.foon.tan@intel.com> > Signed-off-by: Jens Axboe <axboe@kernel.dk> > --- > > 5.11 has support queued up for TIF_NOTIFY_SIGNAL, see this posting for > details: > > https://lore.kernel.org/io-uring/20201026203230.386348-1- > axboe@kernel.dk/ > > As part of that work, I'm adding TIF_NOTIFY_SIGNAL support to all archs, as > that will enable a set of cleanups once all of them support it. I'm happy > carrying this patch if need be, or it can be funelled through the arch tree. Let > me know. > > arch/nios2/include/asm/thread_info.h | 2 ++ > arch/nios2/kernel/signal.c | 3 ++- > 2 files changed, 4 insertions(+), 1 deletion(-) > > diff --git a/arch/nios2/include/asm/thread_info.h > b/arch/nios2/include/asm/thread_info.h > index 7349a4fa635b..272d2c72a727 100644 > --- a/arch/nios2/include/asm/thread_info.h > +++ b/arch/nios2/include/asm/thread_info.h > @@ -86,6 +86,7 @@ static inline struct thread_info > *current_thread_info(void) > #define TIF_MEMDIE 4 /* is terminating due to OOM killer */ > #define TIF_SECCOMP 5 /* secure computing */ > #define TIF_SYSCALL_AUDIT 6 /* syscall auditing active */ > +#define TIF_NOTIFY_SIGNAL 7 /* signal notifications exist */ > #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in > do_signal() */ > > #define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling > @@ -97,6 +98,7 @@ static inline struct thread_info > *current_thread_info(void) > #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) > #define _TIF_SECCOMP (1 << TIF_SECCOMP) > #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) > +#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL) > #define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) > #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) > > diff --git a/arch/nios2/kernel/signal.c b/arch/nios2/kernel/signal.c index > cf2dca2ac7c3..2009ae2d3c3b 100644 > --- a/arch/nios2/kernel/signal.c > +++ b/arch/nios2/kernel/signal.c > @@ -306,7 +306,8 @@ asmlinkage int do_notify_resume(struct pt_regs > *regs) > if (!user_mode(regs)) > return 0; > > - if (test_thread_flag(TIF_SIGPENDING)) { > + if (test_thread_flag(TIF_SIGPENDING) || > + test_thread_flag(TIF_NOTIFY_SIGNAL)) { > int restart = do_signal(regs); > > if (unlikely(restart)) { > --
Please help integrate this patch thru your git tree.
Acked-by: Ley Foon Tan <ley.foon.tan@intel.com>
Regards Ley Foon
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