linux-kernel - Re: [PATCH] ARM: kprobes: rewrite in UAL

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Date:   Thu, 28 Jan 2021 22:23:56 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Russell King <linux@...linux.org.uk>,
        Arnd Bergmann <arnd@...db.de>,
        Ard Biesheuvel <ardb@...nel.org>,
        Nathan Chancellor <natechancellor@...il.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH] ARM: kprobes: rewrite in UAL

On Thu, Jan 28, 2021 at 7:59 PM 'Nick Desaulniers' via Clang Built
Linux <clang-built-linux@...glegroups.com> wrote:
> On Thu, Jan 28, 2021 at 8:15 AM Arnd Bergmann <arnd@...nel.org> wrote:
>
> > Plus a lot of extra errors when building with CONFIG_THUMB2_KERNEL,
> > as that uses tests in arch/arm/probes/kprobes/test-thumb.c.
>
> Technically, that's a distinctly separate issue;
> arch/arm/probes/kprobes/test-arm.c is not built with
> CONFIG_THUMB2_KERNEL=y.  This patch doesn't introduce those warnings;
> that file has the same issue but it is separate from test-arm.c.
>
> Would you prefer to see a v2 with the swpvsb fix contain fixes for
> test-thumb.c as well, or a separate patch for that?

I think either way is fine. I'd probably go with a combined patch in
this case, since you
are addressing the same issue in two closely related files.

       Arnd