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Subject: Re: [PATCH v2 16/24] x86/xen: Make get_debugreg() noinstr
To:     Peter Zijlstra <peterz@infradead.org>, jpoimboe@redhat.com,
        tglx@linutronix.de
Cc:     linux-kernel@vger.kernel.org, joro@8bytes.org,
        boris.ostrovsky@oracle.com, x86@kernel.org, mbenes@suse.com,
        rostedt@goodmis.org, dvyukov@google.com, elver@google.com
References: <20210624094059.886075998@infradead.org>
 <20210624095148.625523645@infradead.org>
From:   Juergen Gross <jgross@suse.com>
Message-ID: <3da9f8b0-af99-769a-1898-df33a07aca0a@suse.com>
Date:   Thu, 24 Jun 2021 12:57:21 +0200
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From: Juergen Gross <jgross@suse.com>
To: Peter Zijlstra <peterz@infradead.org>, jpoimboe@redhat.com,
 tglx@linutronix.de
Cc: linux-kernel@vger.kernel.org, joro@8bytes.org,
 boris.ostrovsky@oracle.com, x86@kernel.org, mbenes@suse.com,
 rostedt@goodmis.org, dvyukov@google.com, elver@google.com
Message-ID: <3da9f8b0-af99-769a-1898-df33a07aca0a@suse.com>
Subject: Re: [PATCH v2 16/24] x86/xen: Make get_debugreg() noinstr
References: <20210624094059.886075998@infradead.org>
 <20210624095148.625523645@infradead.org>
In-Reply-To: <20210624095148.625523645@infradead.org>

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On 24.06.21 11:41, Peter Zijlstra wrote:
> vmlinux.o: warning: objtool: pv_ops[1]: xen_get_debugreg
> vmlinux.o: warning: objtool: pv_ops[1]: native_get_debugreg
> vmlinux.o: warning: objtool: exc_debug()+0x25: call to pv_ops[1]() leav=
es .noinstr.text section
>=20
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>

Reviewed-by: Juergen Gross <jgross@suse.com>


Juergen

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