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um: add support for TIF_NOTIFY_SIGNAL

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[ Upstream commit a5b3cd32ff238b87e94d47b927aff117e22d13c0 ]

Wire up TIF_NOTIFY_SIGNAL handling for um.

Cc: linux-um@lists.infradead.org
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jens Axboe
2020-10-09 15:47:28 -06:00
committed by Greg Kroah-Hartman
parent 0aef2ec063
commit dc808ffd97
2 changed files with 4 additions and 1 deletions
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3
arch/um/kernel/process.c
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@@ -99,7 +99,8 @@ void interrupt_end(void)
if (need_resched())
schedule();
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))
tracehook_notify_resume(regs);