linux-kernel - Re: [PATCH] powerpc: Don't allow the use of EMIT_BUG_ENTRY with BUGFLAG

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Message-Id: <164622487604.2052779.15267979527677516590.b4-ty@ellerman.id.au>
Date:   Wed, 02 Mar 2022 23:41:16 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc: Don't allow the use of EMIT_BUG_ENTRY with BUGFLAG_WARNING

On Sun, 13 Feb 2022 10:02:41 +0100, Christophe Leroy wrote:
> Warnings in assembly must use EMIT_WARN_ENTRY in order to generate
> the necessary entry in exception table.
> 
> Check in EMIT_BUG_ENTRY that flags don't include BUGFLAG_WARNING.
> 
> This change avoids problems like the one fixed by
> commit fd1eaaaaa686 ("powerpc/64s: Use EMIT_WARN_ENTRY for SRR debug
> warnings").
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc: Don't allow the use of EMIT_BUG_ENTRY with BUGFLAG_WARNING
      https://git.kernel.org/powerpc/c/38a1756861b8fc2ea9afb93e231194c642a4e261

cheers