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(parent: 8d0fd4a) | 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)
commitebd6c97329f7451ff8f41b3de880da4c17d83128
tree3da9460f486699684e4c7a81466d6bdea8cbae8btree | snapshot
parent8d0fd4ae1d3e965e973b309416bf5e813d16968fcommit | 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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