From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756596AbbA2BlV (ORCPT ); Wed, 28 Jan 2015 20:41:21 -0500 Received: from casper.infradead.org ([85.118.1.10]:51059 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752344AbbA2BlT (ORCPT ); Wed, 28 Jan 2015 20:41:19 -0500 Message-ID: <1422458811.5293.56.camel@infradead.org> Subject: Re: [v3 04/26] iommu, x86: Implement irq_set_vcpu_affinity for intel_ir_chip From: David Woodhouse To: Feng Wu Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, gleb@kernel.org, pbonzini@redhat.com, joro@8bytes.org, alex.williamson@redhat.com, jiang.liu@linux.intel.com, eric.auger@linaro.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, kvm@vger.kernel.org Date: Wed, 28 Jan 2015 15:26:51 +0000 In-Reply-To: <1418397300-10870-5-git-send-email-feng.wu@intel.com> References: <1418397300-10870-1-git-send-email-feng.wu@intel.com> <1418397300-10870-5-git-send-email-feng.wu@intel.com> Content-Type: multipart/signed; micalg="sha-1"; protocol="application/x-pkcs7-signature"; boundary="=-9mUXvIlQK0natyNnEzQO" X-Mailer: Evolution 3.12.10 (3.12.10-1.fc21) Mime-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-9mUXvIlQK0natyNnEzQO Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2014-12-12 at 23:14 +0800, Feng Wu wrote: > Implement irq_set_vcpu_affinity for intel_ir_chip. >=20 > Signed-off-by: Feng Wu > Reviewed-by: Jiang Liu Acked-by: David.Woodhouse assuming a suitable answer to... > + vcpu_pi_info =3D (struct vcpu_data *)vcpu_info; > + memcpy(irte_pi, &ir_data->irte_entry, sizeof(struct irte)); > + > + irte_pi->urg =3D 0; > + irte_pi->vector =3D vcpu_pi_info->vector; > + irte_pi->pda_l =3D (vcpu_pi_info->pi_desc_addr >> > + (32 - PDA_LOW_BIT)) & ~(-1UL << PDA_LOW_BIT); > + irte_pi->pda_h =3D (vcpu_pi_info->pi_desc_addr >> 32) & > + ~(-1UL << PDA_HIGH_BIT); > + > + irte_pi->__reserved_1 =3D 0; > + irte_pi->__reserved_2 =3D 0; > + irte_pi->__reserved_3 =3D 0; > + irte_pi->__reserved_4 =3D 0; .... do we need a barrier here before we set this bit? > + irte_pi->pst =3D 1; > + > + modify_irte(&ir_data->irq_2_iommu, (struct irte *)irte_pi); --=20 dwmw2 --=-9mUXvIlQK0natyNnEzQO Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIISxDCCBjQw ggQcoAMCAQICAR4wDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0YXJ0 Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcxKTAn BgNVBAMTIFN0YXJ0Q29tIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA3MTAyNDIxMDE1NVoX 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