diff options
| author | Borislav Petkov <bp@suse.de> | 2013-02-11 15:22:18 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-02-13 00:48:42 +0100 |
| commit | 5e2a044daf0c6f897eb69de931e3b29020e874a9 (patch) | |
| tree | 81ff312adbdeabff1058a5114c5a68a41775342c /arch/x86/kernel/head_32.S | |
| parent | x86, head_32: Remove second CPUID detection from default_entry (diff) | |
| download | linux-5e2a044daf0c6f897eb69de931e3b29020e874a9.tar.xz linux-5e2a044daf0c6f897eb69de931e3b29020e874a9.zip | |
x86, head_32: Give the 6 label a real name
Jumping here we are about to enable paging so rename the label
accordingly.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1360592538-10643-5-git-send-email-bp@alien8.de
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/kernel/head_32.S')
| -rw-r--r-- | arch/x86/kernel/head_32.S | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 2e8532e7c80a..3c3f58a0808f 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -329,7 +329,7 @@ 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 @@ -339,13 +339,13 @@ 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 @@ -353,7 +353,7 @@ 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 @@ -362,7 +362,7 @@ 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 @@ -372,7 +372,7 @@ default_entry: /* Make changes effective */ wrmsr -6: +enable_paging: /* * Enable paging |