From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: stable@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
patches@lists.linux.dev, linux-mips@vger.kernel.org,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Jens Axboe <axboe@kernel.dk>
Subject: [PATCH 5.10 24/63] mips: add support for TIF_NOTIFY_SIGNAL
Date: Tue, 3 Jan 2023 09:13:54 +0100 [thread overview]
Message-ID: <20230103081310.018548519@linuxfoundation.org> (raw)
In-Reply-To: <20230103081308.548338576@linuxfoundation.org>
From: Jens Axboe <axboe@kernel.dk>
[ Upstream commit f45c184bce15f4a314c0210519bc3b4aab408838 ]
Wire up TIF_NOTIFY_SIGNAL handling for mips.
Cc: linux-mips@vger.kernel.org
Acked-By: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/mips/include/asm/thread_info.h | 4 +++-
arch/mips/kernel/signal.c | 2 +-
2 files changed, 4 insertions(+), 2 deletions(-)
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -115,6 +115,7 @@ static inline struct thread_info *curren
#define TIF_SECCOMP 4 /* secure computing */
#define TIF_NOTIFY_RESUME 5 /* callback before returning to user */
#define TIF_UPROBE 6 /* breakpointed or singlestepping */
+#define TIF_NOTIFY_SIGNAL 7 /* signal notifications exist */
#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */
#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
#define TIF_MEMDIE 18 /* is terminating due to OOM killer */
@@ -139,6 +140,7 @@ static inline struct thread_info *curren
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_UPROBE (1<<TIF_UPROBE)
+#define _TIF_NOTIFY_SIGNAL (1<<TIF_NOTIFY_SIGNAL)
#define _TIF_USEDFPU (1<<TIF_USEDFPU)
#define _TIF_NOHZ (1<<TIF_NOHZ)
#define _TIF_FIXADE (1<<TIF_FIXADE)
@@ -164,7 +166,7 @@ static inline struct thread_info *curren
/* work to do on interrupt/exception return */
#define _TIF_WORK_MASK \
(_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_NOTIFY_RESUME | \
- _TIF_UPROBE)
+ _TIF_UPROBE | _TIF_NOTIFY_SIGNAL)
/* work to do on any return to u-space */
#define _TIF_ALLWORK_MASK (_TIF_NOHZ | _TIF_WORK_MASK | \
_TIF_WORK_SYSCALL_EXIT | \
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -903,7 +903,7 @@ asmlinkage void do_notify_resume(struct
uprobe_notify_resume(regs);
/* deal with pending signal delivery */
- if (thread_info_flags & _TIF_SIGPENDING)
+ if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
do_signal(regs);
if (thread_info_flags & _TIF_NOTIFY_RESUME) {
parent reply other threads:[~2023-01-03 8:15 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20230103081308.548338576@linuxfoundation.org>]
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