Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Wed, 24 Aug 2022 18:16:34 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Borislav Petkov <bp@alien8.de>
Cc:     X86 ML <x86@kernel.org>, Michael Matz <matz@suse.de>,
        linux-toolchains@vger.kernel.org,
        LKML <linux-kernel@vger.kernel.org>,
        Josh Poimboeuf <jpoimboe@redhat.com>
Subject: Re: [PATCH] x86/sev: Mark snp_abort() noreturn
Message-ID: <YwZO4iYumjhxv73h@worktop.programming.kicks-ass.net>
References: <20220824152420.20547-1-bp@alien8.de>
 <YwZF8pvWHqFYQOVB@worktop.programming.kicks-ass.net>
 <YwZIaJIr4Zmpaams@zn.tnic>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <YwZIaJIr4Zmpaams@zn.tnic>
Precedence: bulk

On Wed, Aug 24, 2022 at 05:48:56PM +0200, Borislav Petkov wrote:
> On Wed, Aug 24, 2022 at 05:38:26PM +0200, Peter Zijlstra wrote:
> > You'll probably also have to add it to the
> > objtool/check.c:global_noreturn[] list, for the case where objtool fails
> > to recognise it as noreturn.
> 
> How come?
> 
> Doesn't objtool see the attribute?

If only there would be a trace of it left in the ELF file...