linux-kernel - Re: [PATCH v2 0/6] x86/cfi: Fix FineIBT

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Message-ID: <202306220913.2482F76F@keescook>
Date:   Thu, 22 Jun 2023 09:14:17 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     x86@...nel.org, alyssa.milburn@...ux.intel.com,
        linux-kernel@...r.kernel.org, samitolvanen@...gle.com,
        jpoimboe@...nel.org, joao@...rdrivepizza.com, brgerst@...il.com
Subject: Re: [PATCH v2 0/6] x86/cfi: Fix FineIBT

On Thu, Jun 22, 2023 at 04:42:18PM +0200, Peter Zijlstra wrote:
> Alyssa reported a FineIBT issue (patch 6) which led to the discovery of
> a kCFI issue (patch 5) and a bunch of cleanups and enhancements (the
> rest).
> 
> Backports can probably suffice with just the last two.
> 
> Much thanks to Brian for the better ret_from_fork() cleanup.
> 
> Tested using llvm-16 on an Alderlake with both FineIBT and kCFI.

Thanks! This looks really nice. For the series:

Reviewed-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook