]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/commitdiff
Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
authorLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 1 Jan 2008 19:33:00 +0000 (11:33 -0800)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 1 Jan 2008 19:33:00 +0000 (11:33 -0800)
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
  x86: fix asm-x86/msr.h for user-space export
  x86: fix asm-x86/byteorder.h for userspace export

include/asm-x86/byteorder.h
include/asm-x86/msr.h

index 1f2d6d5bf20dd7659b38365982d781534f6e6a8c..fe2f2e5d51baf2bbe66e649c88d5de1713b56c42 100644 (file)
@@ -30,13 +30,13 @@ static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 val)
        } v;
        v.u = val;
 #ifdef CONFIG_X86_BSWAP
-       asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
+       __asm__("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
            : "=r" (v.s.a), "=r" (v.s.b)
            : "0" (v.s.a), "1" (v.s.b));
 #else
        v.s.a = ___arch__swab32(v.s.a);
        v.s.b = ___arch__swab32(v.s.b);
-       asm("xchgl %0,%1" : "=r" (v.s.a), "=r" (v.s.b) : "0" (v.s.a), "1" (v.s.b));
+       __asm__("xchgl %0,%1" : "=r" (v.s.a), "=r" (v.s.b) : "0" (v.s.a), "1" (v.s.b));
 #endif
        return v.u;
 }
index ba4b3143212073bdfa1190158b130f63bde9906e..664a2fa7adc90baf18bad2d2424f3136b53ee96d 100644 (file)
@@ -191,38 +191,6 @@ static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
 
 #define wrmsrl(msr,val) wrmsr(msr,(__u32)((__u64)(val)),((__u64)(val))>>32)
 
-/* wrmsr with exception handling */
-#define wrmsr_safe(msr,a,b) ({ int ret__;                      \
-       asm volatile("2: wrmsr ; xorl %0,%0\n"                  \
-                    "1:\n\t"                                   \
-                    ".section .fixup,\"ax\"\n\t"               \
-                    "3:  movl %4,%0 ; jmp 1b\n\t"              \
-                    ".previous\n\t"                            \
-                    ".section __ex_table,\"a\"\n"              \
-                    "   .align 8\n\t"                          \
-                    "   .quad  2b,3b\n\t"                      \
-                    ".previous"                                \
-                    : "=a" (ret__)                             \
-                    : "c" (msr), "0" (a), "d" (b), "i" (-EFAULT)); \
-       ret__; })
-
-#define checking_wrmsrl(msr,val) wrmsr_safe(msr,(u32)(val),(u32)((val)>>32))
-
-#define rdmsr_safe(msr,a,b) \
-       ({ int ret__;                                           \
-         asm volatile ("1:       rdmsr\n"                      \
-                       "2:\n"                                  \
-                       ".section .fixup,\"ax\"\n"              \
-                       "3:       movl %4,%0\n"                 \
-                       " jmp 2b\n"                             \
-                       ".previous\n"                           \
-                       ".section __ex_table,\"a\"\n"           \
-                       " .align 8\n"                           \
-                       " .quad 1b,3b\n"                                \
-                       ".previous":"=&bDS" (ret__), "=a"(*(a)), "=d"(*(b)) \
-                       :"c"(msr), "i"(-EIO), "0"(0));                  \
-         ret__; })
-
 #define rdtsc(low,high) \
      __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high))
 
@@ -230,17 +198,17 @@ static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
      __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
 
 #define rdtscp(low,high,aux) \
-     asm volatile (".byte 0x0f,0x01,0xf9" : "=a" (low), "=d" (high), "=c" (aux))
+     __asm__ __volatile__ (".byte 0x0f,0x01,0xf9" : "=a" (low), "=d" (high), "=c" (aux))
 
 #define rdtscll(val) do { \
      unsigned int __a,__d; \
-     asm volatile("rdtsc" : "=a" (__a), "=d" (__d)); \
+     __asm__ __volatile__("rdtsc" : "=a" (__a), "=d" (__d)); \
      (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); \
 } while(0)
 
 #define rdtscpll(val, aux) do { \
      unsigned long __a, __d; \
-     asm volatile (".byte 0x0f,0x01,0xf9" : "=a" (__a), "=d" (__d), "=c" (aux)); \
+     __asm__ __volatile__ (".byte 0x0f,0x01,0xf9" : "=a" (__a), "=d" (__d), "=c" (aux)); \
      (val) = (__d << 32) | __a; \
 } while (0)
 
@@ -253,6 +221,7 @@ static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
                          : "=a" (low), "=d" (high) \
                          : "c" (counter))
 
+
 static inline void cpuid(int op, unsigned int *eax, unsigned int *ebx,
                         unsigned int *ecx, unsigned int *edx)
 {
@@ -320,6 +289,40 @@ static inline unsigned int cpuid_edx(unsigned int op)
        return edx;
 }
 
+#ifdef __KERNEL__
+
+/* wrmsr with exception handling */
+#define wrmsr_safe(msr,a,b) ({ int ret__;                      \
+       asm volatile("2: wrmsr ; xorl %0,%0\n"                  \
+                    "1:\n\t"                                   \
+                    ".section .fixup,\"ax\"\n\t"               \
+                    "3:  movl %4,%0 ; jmp 1b\n\t"              \
+                    ".previous\n\t"                            \
+                    ".section __ex_table,\"a\"\n"              \
+                    "   .align 8\n\t"                          \
+                    "   .quad  2b,3b\n\t"                      \
+                    ".previous"                                \
+                    : "=a" (ret__)                             \
+                    : "c" (msr), "0" (a), "d" (b), "i" (-EFAULT)); \
+       ret__; })
+
+#define checking_wrmsrl(msr,val) wrmsr_safe(msr,(u32)(val),(u32)((val)>>32))
+
+#define rdmsr_safe(msr,a,b) \
+       ({ int ret__;                                           \
+         asm volatile ("1:       rdmsr\n"                      \
+                       "2:\n"                                  \
+                       ".section .fixup,\"ax\"\n"              \
+                       "3:       movl %4,%0\n"                 \
+                       " jmp 2b\n"                             \
+                       ".previous\n"                           \
+                       ".section __ex_table,\"a\"\n"           \
+                       " .align 8\n"                           \
+                       " .quad 1b,3b\n"                                \
+                       ".previous":"=&bDS" (ret__), "=a"(*(a)), "=d"(*(b)) \
+                       :"c"(msr), "i"(-EIO), "0"(0));                  \
+         ret__; })
+
 #ifdef CONFIG_SMP
 void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
 void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
@@ -343,6 +346,7 @@ static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
        return wrmsr_safe(msr_no, l, h);
 }
 #endif  /* CONFIG_SMP */
+#endif  /* __KERNEL__ */
 #endif  /* __ASSEMBLY__ */
 
 #endif  /* !__i386__ */