From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932578Ab3BITxF (ORCPT ); Sat, 9 Feb 2013 14:53:05 -0500 Received: from mail.skyhub.de ([78.46.96.112]:35114 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932519Ab3BITw7 (ORCPT ); Sat, 9 Feb 2013 14:52:59 -0500 From: Borislav Petkov To: "H. Peter Anvin" Cc: X86 ML , LKML , Borislav Petkov Subject: [PATCH 4/5] x86, head_32: Give the 6 label a real name Date: Sat, 9 Feb 2013 20:52:53 +0100 Message-Id: <1360439574-16122-5-git-send-email-bp@alien8.de> X-Mailer: git-send-email 1.8.1.3.535.ga923c31 In-Reply-To: <1360439574-16122-1-git-send-email-bp@alien8.de> References: <1360439574-16122-1-git-send-email-bp@alien8.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov Jumping here we are about to enable paging so rename the label accordingly. Signed-off-by: Borislav Petkov --- arch/x86/kernel/head_32.S | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 46aa51467c0e..75e96d7e4e5f 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -339,7 +339,7 @@ default_entry: pushfl popl %eax # get EFLAGS testl $X86_EFLAGS_ID,%eax # did EFLAGS.ID remained set? - jz 6f # hw disallowed setting of ID bit + jz enable_paging # hw disallowed setting of ID bit # which means no CPUID and no CR4 xorl %eax,%eax @@ -349,13 +349,13 @@ default_entry: movl $1,%eax cpuid andl $~1,%edx # Ignore CPUID.FPU - jz 6f # No flags or only CPUID.FPU = no CR4 + jz enable_paging # No flags or only CPUID.FPU = no CR4 movl pa(mmu_cr4_features),%eax movl %eax,%cr4 testb $X86_CR4_PAE, %al # check if PAE is enabled - jz 6f + jz enable_paging /* Check if extended functions are implemented */ movl $0x80000000, %eax @@ -363,7 +363,7 @@ default_entry: /* Value must be in the range 0x80000001 to 0x8000ffff */ subl $0x80000001, %eax cmpl $(0x8000ffff-0x80000001), %eax - ja 6f + ja enable_paging /* Clear bogus XD_DISABLE bits */ call verify_cpu @@ -372,7 +372,7 @@ default_entry: cpuid /* Execute Disable bit supported? */ btl $(X86_FEATURE_NX & 31), %edx - jnc 6f + jnc enable_paging /* Setup EFER (Extended Feature Enable Register) */ movl $MSR_EFER, %ecx @@ -382,7 +382,7 @@ default_entry: /* Make changes effective */ wrmsr -6: +enable_paging: /* * Enable paging -- 1.8.1.3.535.ga923c31