Messages in this thread |  | | Date | Thu, 28 Nov 2024 10:52:44 -0500 | | From | Sasha Levin <> | | Subject | Re: [PATCH AUTOSEL 5.15 11/12] x86/barrier: Do not serialize MSR accesses on AMD |
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On Thu, Nov 28, 2024 at 12:59:24PM +0100, Borislav Petkov wrote: >Hey folks, > >On Mon, Jan 15, 2024 at 06:26:56PM -0500, Sasha Levin wrote: >> From: "Borislav Petkov (AMD)" <bp@alien8.de> >> >> [ Upstream commit 04c3024560d3a14acd18d0a51a1d0a89d29b7eb5 ] >> >> AMD does not have the requirement for a synchronization barrier when >> acccessing a certain group of MSRs. Do not incur that unnecessary >> penalty there. > >Erwan just mentioned that this one is not in 6.1 and in 5.15. And I have mails >about it getting picked up by AUTOSEL. > >Did the AI reconsider in the meantime?
You've missed the 5.10 mail :)
Pavel objected to it so I've dropped it: https://lore.kernel.org/all/Zbli7QIGVFT8EtO4@sashalap/
-- Thanks, Sasha
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