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Thu, 24 Jun 2021 10:56:11 +0000 Subject: Re: [PATCH v2 15/24] x86/xen: Make write_cr2() noinstr To: Peter Zijlstra , 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> <20210624095148.563524913@infradead.org> From: Juergen Gross Message-ID: <4f0f7993-1d38-949a-ccfa-4f35406f1e47@suse.com> Date: Thu, 24 Jun 2021 12:56:10 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210624095148.563524913@infradead.org> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="F2M7kDvMAcUpIrU6jpR0UNQ5ePAGzSXX9" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --F2M7kDvMAcUpIrU6jpR0UNQ5ePAGzSXX9 Content-Type: multipart/mixed; boundary="ykhHw1dto5Yi8BRSUNEmfM6WbwNpKJsw2"; protected-headers="v1" From: Juergen Gross To: Peter Zijlstra , 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: <4f0f7993-1d38-949a-ccfa-4f35406f1e47@suse.com> Subject: Re: [PATCH v2 15/24] x86/xen: Make write_cr2() noinstr References: <20210624094059.886075998@infradead.org> <20210624095148.563524913@infradead.org> In-Reply-To: <20210624095148.563524913@infradead.org> --ykhHw1dto5Yi8BRSUNEmfM6WbwNpKJsw2 Content-Type: multipart/mixed; boundary="------------4C9C1A6056A68FAEC1935DDC" Content-Language: en-US This is a multi-part message in MIME format. --------------4C9C1A6056A68FAEC1935DDC Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 24.06.21 11:41, Peter Zijlstra wrote: > vmlinux.o: warning: objtool: pv_ops[42]: native_write_cr2 > vmlinux.o: warning: objtool: pv_ops[42]: xen_write_cr2 > vmlinux.o: warning: objtool: exc_nmi()+0x127: call to pv_ops[42]() leav= es .noinstr.text section >=20 > Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Juergen Gross Juergen --------------4C9C1A6056A68FAEC1935DDC Content-Type: application/pgp-keys; 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