From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:32795) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XLpeB-0000K6-Mg for qemu-devel@nongnu.org; Mon, 25 Aug 2014 04:29:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XLpe6-0005L1-TX for qemu-devel@nongnu.org; Mon, 25 Aug 2014 04:29:03 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:52209) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XLpe6-0005Kk-6D for qemu-devel@nongnu.org; Mon, 25 Aug 2014 04:28:58 -0400 Message-ID: <53FAF3AD.5030808@huawei.com> Date: Mon, 25 Aug 2014 16:28:29 +0800 From: zhanghailiang MIME-Version: 1.0 References: <1408610249-7452-1-git-send-email-zhang.zhanghailiang@huawei.com> In-Reply-To: <1408610249-7452-1-git-send-email-zhang.zhanghailiang@huawei.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] acpi-build: Set FORCE_APIC_CLUSTER_MODEL bit of FADT flags List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: zhanghailiang Cc: huangzhichao , peter.huangpeng@huawei.com, luonengjun@huawei.com, qemu-devel@nongnu.org, mst@redhat.com Hi, Ping... Are there any news about this patch? Thanks, zhanghailiang > If we start Windows 2008 R2 DataCenter with number of cpu less than 8, > The system will use APIC Flat Logical destination mode as default configuration, > Which has an upper limit of 8 CPUs. > > The fault is that VM can not show all processors within Task Manager if > we hot-add cpus when the number of cpus in VM extends the limit of 8. > > If we use cluster destination model, the problem will be solved. > > Signed-off-by: huangzhichao > Signed-off-by: zhanghailiang > --- > hw/i386/acpi-build.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c > index 10b84d0..fed4501 100644 > --- a/hw/i386/acpi-build.c > +++ b/hw/i386/acpi-build.c > @@ -545,7 +545,8 @@ static void fadt_setup(AcpiFadtDescriptorRev1 *fadt, AcpiPmInfo *pm) > (1<< ACPI_FADT_F_PROC_C1) | > (1<< ACPI_FADT_F_SLP_BUTTON) | > (1<< ACPI_FADT_F_RTC_S4)); > - fadt->flags |= cpu_to_le32(1<< ACPI_FADT_F_USE_PLATFORM_CLOCK); > + fadt->flags |= cpu_to_le32(1<< ACPI_FADT_F_USE_PLATFORM_CLOCK | > + 1<< ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL); > } > >