arm64: Document why we enable PAC support for leaf functions

Browse source

Document the fact that we enable pointer authentication protection for
leaf functions since there is some narrow potential for ROP protection
benefits and little overhead has been observed.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20200506195138.22086-2-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>

...

This commit is contained in:

Mark Brown 2020-05-06 20:51:28 +01:00 • committed by Will Deacon

parent e5159827e0

commit 717b938e22

1 changed files with 3 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

3

arch/arm64/Makefile

View file