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(parent: e515982) | patch
arm64: Document why we enable PAC support for leaf functions
authorMark Brown <broonie@kernel.org>
Wed, 6 May 2020 19:51:28 +0000 (20:51 +0100)
committerWill Deacon <will@kernel.org>
Thu, 7 May 2020 16:53:20 +0000 (17:53 +0100)
commit717b938e22f8dbf0c02d51cb8e74634fac9b57ef
tree3da9460f486699684e4c7a81466d6bdea8cbae8btree | snapshot
parente5159827e057487359fc76f496a16ddbb8536cc9commit | diff
arm64: Document why we enable PAC support for leaf functions

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>
arch/arm64/Makefile diff | blob | history
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