Messages in this thread | | | From | Michal Simek <> | Date | Thu, 5 Nov 2020 17:42:05 +0100 | Subject | Re: [PATCH] microblaze: add support for TIF_NOTIFY_SIGNAL |
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Hi,
čt 5. 11. 2020 v 17:18 odesílatel Jens Axboe <axboe@kernel.dk> napsal: > > 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 <monstr@monstr.eu> > > 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/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 >
Give me some time. I have it on my todo list.
M
-- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Xilinx Microblaze Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs
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