linux-kernel - Re: [PATCH v2 0/4] usercopy: generic tests + arm64 fixes

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Message-ID: <202311151427.341BC07@keescook>
Date:   Wed, 15 Nov 2023 14:30:11 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Mark Rutland <mark.rutland@....com>
Cc:     linux-kernel@...r.kernel.org, Al Viro <viro@...iv.linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Will Deacon <will@...nel.org>, agordeev@...ux.ibm.com,
        aou@...s.berkeley.edu, bp@...en8.de, dave.hansen@...ux.intel.com,
        davem@...emloft.net, gor@...ux.ibm.com, hca@...ux.ibm.com,
        linux-arch@...r.kernel.org, linux@...linux.org.uk,
        mingo@...hat.com, palmer@...belt.com, paul.walmsley@...ive.com,
        robin.murphy@....com, tglx@...utronix.de
Subject: Re: [PATCH v2 0/4] usercopy: generic tests + arm64 fixes

On Tue, Mar 21, 2023 at 12:25:10PM +0000, Mark Rutland wrote:
> This series adds tests for the usercopy functions, which have found a
> few issues on most architectures I've tested on. The last two patches
> are fixes for arm64 (which pass all the tests, and are at least as good
> performance-wise as the existing implementation).
> [...]
>  lib/usercopy_kunit.c          | 506 ++++++++++++++++++++++++++++++++++

You didn't like lib/test_user_copy.c ? :)

There was a prior attempt to move it to KUnit:

https://lore.kernel.org/lkml/20200721174654.72132-1-vitor@massaru.org/

-- 
Kees Cook