Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

3f4e5aac · Linus Torvalds <[email protected]> · 2013-02-05 07:59:44 +11:00

Pull x86 fixes from Ingo Molnar:
 "Three small fixlets"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/intel/cacheinfo: Shut up annoying warning
  x86, doc: Boot protocol 2.12 is in 3.8
  x86-64: Replace left over sti/cli in ia32 audit exit code

Commit: 3f4e5aacf754bad84dd54826ea3a77983e201c80
Parents: 2a6f79e8 · f76e39c5

Merge commit. Changes below are compared with the first parent: 2a6f79e8.

Changes

3 files changed · +6 −7

File	Status	Add	Del	Content
Documentation/x86/boot.txt	modified	+1	−1	View file
arch/x86/ia32/ia32entry.S	modified	+2	−2	View file
arch/x86/kernel/cpu/intel_cacheinfo.c	modified	+3	−4	View file

Documentation/x86/boot.txt

View file

diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 3edb4c2..e540fd6 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -57,7 +57,7 @@ Protocol 2.10:	(Kernel 2.6.31) Added a protocol for relaxed alignment
 Protocol 2.11:	(Kernel 3.6) Added a field for offset of EFI handover
 		protocol entry point.
 
-Protocol 2.12:	(Kernel 3.9) Added the xloadflags field and extension fields
+Protocol 2.12:	(Kernel 3.8) Added the xloadflags field and extension fields
 	 	to struct boot_params for for loading bzImage and ramdisk
 		above 4G in 64bit.
 

arch/x86/ia32/ia32entry.S

View file

diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 102ff7c..142c4ce 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -207,7 +207,7 @@ sysexit_from_sys_call:
 	testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
 	jnz ia32_ret_from_sys_call
 	TRACE_IRQS_ON
-	sti
+	ENABLE_INTERRUPTS(CLBR_NONE)
 	movl %eax,%esi		/* second arg, syscall return value */
 	cmpl $-MAX_ERRNO,%eax	/* is it an error ? */
 	jbe 1f
@@ -217,7 +217,7 @@ sysexit_from_sys_call:
 	call __audit_syscall_exit
 	movq RAX-ARGOFFSET(%rsp),%rax	/* reload syscall return value */
 	movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
-	cli
+	DISABLE_INTERRUPTS(CLBR_NONE)
 	TRACE_IRQS_OFF
 	testl %edi,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
 	jz \exit

arch/x86/kernel/cpu/intel_cacheinfo.c

View file

diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index fe9edec..84c1309 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -298,8 +298,7 @@ struct _cache_attr {
 			 unsigned int);
 };
 
-#ifdef CONFIG_AMD_NB
-
+#if defined(CONFIG_AMD_NB) && defined(CONFIG_SYSFS)
 /*
  * L3 cache descriptors
  */
@@ -524,9 +523,9 @@ store_subcaches(struct _cpuid4_info *this_leaf, const char *buf, size_t count,
 static struct _cache_attr subcaches =
 	__ATTR(subcaches, 0644, show_subcaches, store_subcaches);
 
-#else	/* CONFIG_AMD_NB */
+#else
 #define amd_init_l3_cache(x, y)
-#endif /* CONFIG_AMD_NB */
+#endif  /* CONFIG_AMD_NB && CONFIG_SYSFS */
 
 static int
 __cpuinit cpuid4_cache_lookup_regs(int index,