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(parent: eeb9f34) | patch
x86/srso: Improve i-cache locality for alias mitigation
authorJosh Poimboeuf <jpoimboe@kernel.org>
Tue, 5 Sep 2023 05:04:55 +0000 (22:04 -0700)
committerBorislav Petkov (AMD) <bp@alien8.de>
Fri, 20 Oct 2023 10:04:18 +0000 (12:04 +0200)
commitaa730cff0c26244e88066b5b461a9f5fbac13823
tree6fdbd4433a44474f020aa7d8235202cc5720942atree | snapshot
parenteeb9f34df065f42f0c9195b322ba6df420c9fc92commit | diff
x86/srso: Improve i-cache locality for alias mitigation

Move srso_alias_return_thunk() to the same section as
srso_alias_safe_ret() so they can share a cache line.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/eadaf5530b46a7ae8b936522da45ae555d2b3393.1693889988.git.jpoimboe@kernel.org
arch/x86/lib/retpoline.S diff | blob | blame | history
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