Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760660AbaGEHsG (ORCPT ); Sat, 5 Jul 2014 03:48:06 -0400 Received: from mout.web.de ([212.227.15.14]:49655 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754681AbaGEHsE (ORCPT ); Sat, 5 Jul 2014 03:48:04 -0400 Message-ID: <53B7ADAA.9030101@web.de> Date: Sat, 05 Jul 2014 09:47:54 +0200 From: Jan Kiszka User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86 , Linux Kernel Mailing List CC: kvm Subject: [PATCH] x86: Make x2APIC support depend on interrupt remapping or guest support X-Enigmail-Version: 1.6 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="L4d9CPwlM73RErRFrTnDBeJpWND7iUuV4" X-Provags-ID: V03:K0:RzN5VS8clHj9kZvmRRrp3Fpg56EFN97r++kbM51MprdVNasQhQz RXWY9xsILHPxagR7UUz5B36iqWNYXpIsg+q6WGexHiQsyFUys1GJyBkW8l+57R1vpXqKsHL T7PJggVjP9p/xMvVUPCQlFx7jzN7Ct0EMAFsxtaoGaEgZTrQCweDSTVxtjCN/CJcz1wtJCE IZ0Ia3/kezPUJHN35qzAg== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --L4d9CPwlM73RErRFrTnDBeJpWND7iUuV4 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable From: Jan Kiszka We are able to use x2APIC mode in the absence of interrupt remapping on certain hypervisors. So it if fine to disable IRQ_REMAP without having to give up x2APIC support. Signed-off-by: Jan Kiszka --- arch/x86/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index a8f749e..30a9987 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -310,7 +310,7 @@ config SMP =20 config X86_X2APIC bool "Support x2apic" - depends on X86_LOCAL_APIC && X86_64 && IRQ_REMAP + depends on X86_LOCAL_APIC && X86_64 && (IRQ_REMAP || HYPERVISOR_GUEST) ---help--- This enables x2apic support on CPUs that have this feature. =20 --L4d9CPwlM73RErRFrTnDBeJpWND7iUuV4 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlO3raoACgkQitSsb3rl5xQ/HwCeM3X6wc7QGzLsQePFkPhXZ3y9 9HEAnRd5kYJfkftMltEH8BLkCGJ3l6hG =zU68 -----END PGP SIGNATURE----- --L4d9CPwlM73RErRFrTnDBeJpWND7iUuV4-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/