Gentle nudge on this one. On 10/29/20 10:16 AM, Jens Axboe wrote: > Wire up TIF_NOTIFY_SIGNAL handling for microblaze. > > Cc: Michal Simek <mon...@monstr.eu> > Signed-off-by: Jens Axboe <ax...@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-ax...@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/microblaze/include/asm/thread_info.h | 2 ++ > arch/microblaze/kernel/signal.c | 3 ++- > 2 files changed, 4 insertions(+), 1 deletion(-) > > diff --git a/arch/microblaze/include/asm/thread_info.h > b/arch/microblaze/include/asm/thread_info.h > index ad8e8fcb90d3..44f5ca331862 100644 > --- a/arch/microblaze/include/asm/thread_info.h > +++ b/arch/microblaze/include/asm/thread_info.h > @@ -107,6 +107,7 @@ static inline struct thread_info > *current_thread_info(void) > #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ > /* restore singlestep on return to user mode */ > #define TIF_SINGLESTEP 4 > +#define TIF_NOTIFY_SIGNAL 5 /* signal notifications exist */ > #define TIF_MEMDIE 6 /* is terminating due to OOM killer */ > #define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */ > #define TIF_SECCOMP 10 /* secure computing */ > @@ -119,6 +120,7 @@ static inline struct thread_info > *current_thread_info(void) > #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) > #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) > #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) > +#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL) > #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) > #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) > #define _TIF_SECCOMP (1 << TIF_SECCOMP) > diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c > index f11a0ccccabc..5a8d173d7b75 100644 > --- a/arch/microblaze/kernel/signal.c > +++ b/arch/microblaze/kernel/signal.c > @@ -313,7 +313,8 @@ static void do_signal(struct pt_regs *regs, int > in_syscall) > > asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall) > { > - if (test_thread_flag(TIF_SIGPENDING)) > + if (test_thread_flag(TIF_SIGPENDING) || > + test_thread_flag(TIF_NOTIFY_SIGNAL)) > do_signal(regs, in_syscall); > > if (test_thread_flag(TIF_NOTIFY_RESUME)) >
-- Jens Axboe
