From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751948AbcAZS7P (ORCPT ); Tue, 26 Jan 2016 13:59:15 -0500 Received: from mx1.redhat.com ([209.132.183.28]:49880 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751632AbcAZS7N (ORCPT ); Tue, 26 Jan 2016 13:59:13 -0500 Date: Tue, 26 Jan 2016 19:59:10 +0100 From: Radim =?utf-8?B?S3LEjW3DocWZ?= To: Feng Wu Cc: pbonzini@redhat.com, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [PATCH v4 2/4] KVM: x86: Use vector-hashing to deliver lowest-priority interrupts Message-ID: <20160126185909.GE21252@potion.brq.redhat.com> References: <1453712015-3989-1-git-send-email-feng.wu@intel.com> <1453712015-3989-3-git-send-email-feng.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1453712015-3989-3-git-send-email-feng.wu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2016-01-25 16:53+0800, Feng Wu: > Use vector-hashing to deliver lowest-priority interrupts, As an > example, modern Intel CPUs in server platform use this method to > handle lowest-priority interrupts. > > Signed-off-by: Feng Wu > --- With any proposed resolution of BUG_ON in kvm_vector_to_index, Reviewed-by: Radim Krčmář > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > @@ -123,6 +123,9 @@ module_param(tsc_tolerance_ppm, uint, S_IRUGO | S_IWUSR); > +bool __read_mostly vector_hashing = true; (Module param can be static.) > +module_param(vector_hashing, bool, S_IRUGO);