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(parent: 91d4bc1) | patch
ARM: 8789/1: signal: copy registers using __copy_to_user()
authorJulien Thierry <julien.thierry@arm.com>
Tue, 11 Sep 2018 09:11:06 +0000 (10:11 +0100)
committerRussell King <rmk+kernel@armlinux.org.uk>
Fri, 5 Oct 2018 09:51:15 +0000 (10:51 +0100)
commit29fe80ea6066736404b604d9ef41aaf23ef0d1a3
tree73f4aeb814b3746878935c69d75c86b24de1e68atree | snapshot
parent91d4bc1fdf451b03c8f5fec73156dc1c41cdf6e8commit | diff
ARM: 8789/1: signal: copy registers using __copy_to_user()

When saving the ARM integer registers, use __copy_to_user() to
copy them into user signal frame, rather than __put_user_error().
This has the benefit of disabling/enabling PAN once for the whole copy
intead of once per write.

Signed-off-by: Julien Thierry <julien.thierry@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
arch/arm/kernel/signal.c diff | blob | history
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