From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcelo Tosatti Subject: Re: [PATCH] silence kernel messages that can be triggered by a guest Date: Tue, 14 Jul 2009 20:11:17 -0300 Message-ID: <20090714231117.GA15759@amt.cnet> References: <20090708082654.GK28046@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: avi@redhat.com, kvm@vger.kernel.org To: Gleb Natapov Return-path: Received: from mx2.redhat.com ([66.187.237.31]:33181 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755879AbZGNXVb (ORCPT ); Tue, 14 Jul 2009 19:21:31 -0400 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.13.8/8.13.8) with ESMTP id n6ENLVuB006033 for ; Tue, 14 Jul 2009 19:21:31 -0400 Content-Disposition: inline In-Reply-To: <20090708082654.GK28046@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Wed, Jul 08, 2009 at 11:26:54AM +0300, Gleb Natapov wrote: > Some Linux versions (f8) try to read EOI register that is write only. > > Signed-off-by: Gleb Natapov > diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c > index ccafe0d..6b5dad4 100644 > --- a/arch/x86/kvm/lapic.c > +++ b/arch/x86/kvm/lapic.c > @@ -590,14 +590,14 @@ static int apic_reg_read(struct kvm_lapic *apic, u32 offset, int len, > static const u64 rmask = 0x43ff01ffffffe70cULL; > > if ((alignment + len) > 4) { > - printk(KERN_ERR "KVM_APIC_READ: alignment error %x %d\n", > - offset, len); > + apic_debug("KVM_APIC_READ: alignment error %x %d\n", > + offset, len); > return 1; > } > > if (offset > 0x3f0 || !(rmask & (1ULL << (offset >> 4)))) { > - printk(KERN_ERR "KVM_APIC_READ: read reserved register %x\n", > - offset); > + apic_debug("KVM_APIC_READ: read reserved register %x\n", > + offset); > return 1; > } > > -- > Gleb. Applied, thanks.