From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yang, Wei" Subject: [PATCH 1/3] Remove RDWRGSFS bit from CR4_RESERVED_BITS Date: Tue, 14 Jun 2011 20:10:17 +0800 Message-ID: <1308053419-9953-2-git-send-email-wei.y.yang@intel.com> References: <1308053419-9953-1-git-send-email-wei.y.yang@intel.com> Cc: kvm@vger.kernel.org, "Yang, Wei" To: avi@redhat.com Return-path: Received: from mga11.intel.com ([192.55.52.93]:50741 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754661Ab1FNML5 (ORCPT ); Tue, 14 Jun 2011 08:11:57 -0400 In-Reply-To: <1308053419-9953-1-git-send-email-wei.y.yang@intel.com> Sender: kvm-owner@vger.kernel.org List-ID: This patch removes RDWRGSFS bit from CR4_RESERVED_BITS. Signed-off-by: Yang, Wei --- arch/x86/include/asm/kvm_host.h | 2 +- arch/x86/include/asm/processor-flags.h | 1 + 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index fc38eca..554be45 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -48,7 +48,7 @@ (~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\ | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \ | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR \ - | X86_CR4_OSXSAVE | X86_CR4_SMEP \ + | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_RDWRGSFS \ | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE)) #define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR) diff --git a/arch/x86/include/asm/processor-flags.h b/arch/x86/include/asm/processor-flags.h index 59ab4df..2dddb31 100644 --- a/arch/x86/include/asm/processor-flags.h +++ b/arch/x86/include/asm/processor-flags.h @@ -59,6 +59,7 @@ #define X86_CR4_OSFXSR 0x00000200 /* enable fast FPU save and restore */ #define X86_CR4_OSXMMEXCPT 0x00000400 /* enable unmasked SSE exceptions */ #define X86_CR4_VMXE 0x00002000 /* enable VMX virtualization */ +#define X86_CR4_RDWRGSFS 0x00010000 /* enable RDWRGSFS support */ #define X86_CR4_OSXSAVE 0x00040000 /* enable xsave and xrestore */ #define X86_CR4_SMEP 0x00100000 /* enable SMEP support */ -- 1.7.1