From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [patch 4/4] QEMU/KVM: dont read any bits from userspace APIC emulation if its done in-kernel Date: Sun, 06 Apr 2008 12:18:20 +0300 Message-ID: <47F8955C.7050601@qumranet.com> References: <20080405182246.761430758@localhost.localdomain> <20080405182320.161492875@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel@lists.sourceforge.net To: Marcelo Tosatti Return-path: In-Reply-To: <20080405182320.161492875@localhost.localdomain> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces@lists.sourceforge.net Errors-To: kvm-devel-bounces@lists.sourceforge.net List-Id: kvm.vger.kernel.org Marcelo Tosatti wrote: > Fixes loadvm/savem on SMP. > > Signed-off-by: Marcelo Tosatti > > Index: kvm-userspace.io/qemu/hw/apic.c > =================================================================== > --- kvm-userspace.io.orig/qemu/hw/apic.c > +++ kvm-userspace.io/qemu/hw/apic.c > @@ -248,8 +248,11 @@ void cpu_set_apic_base(CPUState *env, ui > #ifdef DEBUG_APIC > printf("cpu_set_apic_base: %016" PRIx64 "\n", val); > #endif > - s->apicbase = (val & 0xfffff000) | > - (s->apicbase & (MSR_IA32_APICBASE_BSP | MSR_IA32_APICBASE_ENABLE)); > + if (kvm_enabled() && qemu_kvm_irqchip_in_kernel()) > + s->apicbase = val; > + else > + s->apicbase = (val & 0xfffff000) | > + (s->apicbase & (MSR_IA32_APICBASE_BSP | MSR_IA32_APICBASE_ENABLE)); > /* if disabled, cannot be enabled again */ > if (!(val & MSR_IA32_APICBASE_ENABLE)) { > s->apicbase &= ~MSR_IA32_APICBASE_ENABLE; > > Can you explain how the existing code fails? -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Register now and save $200. Hurry, offer ends at 11:59 p.m., Monday, April 7! Use priority code J8TLD2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone