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Jens Axboe f5f4fc4649 ia64: don't call handle_signal() unless there's actually a signal queued 
Sergei and John both reported that ia64 failed to boot in 5.11, and it
was related to signals. Turns out the ia64 signal handling is a bit odd,
it doesn't check the return value of get_signal() for whether there's a
signal to deliver or not. With the introduction of TIF_NOTIFY_SIGNAL,
then task_work could trigger it.

Fix it by only calling handle_signal() if we actually have a real signal
to deliver. This brings it in line with all other archs, too.

Fixes: b269c229b0 ("ia64: add support for TIF_NOTIFY_SIGNAL")
Reported-by: Sergei Trofimovich <slyich@gmail.com>
Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Tested-by: Sergei Trofimovich <slyich@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 		2021-03-02 17:22:11 -07:00
..
configs arch: ia64: Remove CONFIG_OPROFILE support 2021-01-22 12:12:14 +05:30
hp/common dma-mapping: split <linux/dma-mapping.h> 2020-10-06 07:07:03 +02:00
include Kbuild updates for v5.12 2021-02-25 10:17:31 -08:00
kernel ia64: don't call handle_signal() unless there's actually a signal queued 2021-03-02 17:22:11 -07:00
lib Merge branch 'work.csum_and_copy' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-12 16:24:13 -07:00
mm mm: simplify parater of function memmap_init_zone() 2021-02-24 13:38:31 -08:00
pci ia64: remove support for machvecs 2019-08-16 14:32:26 -07:00
scripts kbuild: remove PYTHON variable 2021-02-01 10:37:19 +09:00
uv ia64: remove support for machvecs 2019-08-16 14:32:26 -07:00
Kconfig arch: ia64: Remove CONFIG_OPROFILE support 2021-01-22 12:12:14 +05:30
Kconfig.debug ia64: remove support for machvecs 2019-08-16 14:32:26 -07:00
Makefile ia64: remove redundant READELF from arch/ia64/Makefile 2021-02-28 15:22:02 +09:00
install.sh
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