Messages in this thread | | | Date | Mon, 20 Feb 2023 18:46:04 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH RESEND] x86/speculation: Fix user-mode spectre-v2 protection with KERNEL_IBRS |
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On Mon, Feb 20, 2023 at 08:34:42AM -0800, Josh Poimboeuf wrote: > We will never enable IBRS in user space. We tried that years ago and it > was very slow.
Then I don't know what this is trying to fix.
We'd need a proper bug statement in the commit message what the problem is. As folks have established, the hw vuln mess is a whole universe of crazy. So without proper documenting, this spaghetti madness will be completely unreadable.
Thx.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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