Messages in this thread | | | From | Mikhail Gavrilov <> | Date | Mon, 14 Aug 2023 03:30:51 +0500 | Subject | Re: [regression/bisected] Add IBPB decreases performance in two times |
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On Sun, Aug 13, 2023 at 7:19 PM Borislav Petkov <bp@alien8.de> wrote: > Nah, most people search the net and usually find the documentation, as > past experience shows. In this case, they will find: > > https://kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html > > It will be there next week but here's the source: > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/admin-guide/hw-vuln/srso.rst > > -- > Regards/Gruss, > Boris. > > https://people.kernel.org/tglx/notes-about-netiquette
I am figure out why I noticed lage impact of safe RET on my system. safe-ret + KASAN = decrease performance for 50% in all scenarios I use KASAN on a daily basis to catch bugs. Is it possible for systems with KASAN to make a more optimal approach of SRSO?
-- Best Regards, Mike Gavrilov.
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