diff options
Diffstat (limited to 'include/asm-x86_64/processor.h')
| -rw-r--r-- | include/asm-x86_64/processor.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h index 106f666..194160f 100644 --- a/include/asm-x86_64/processor.h +++ b/include/asm-x86_64/processor.h @@ -32,7 +32,7 @@ #define ID_MASK 0x00200000 #define desc_empty(desc) \ - (!((desc)->a + (desc)->b)) + (!((desc)->a | (desc)->b)) #define desc_equal(desc1, desc2) \ (((desc1)->a == (desc2)->a) && ((desc1)->b == (desc2)->b)) @@ -437,6 +437,11 @@ static inline void prefetchw(void *x) outb((data), 0x23); \ } while (0) +static inline void serialize_cpu(void) +{ + __asm__ __volatile__ ("cpuid" : : : "ax", "bx", "cx", "dx"); +} + static inline void __monitor(const void *eax, unsigned long ecx, unsigned long edx) { |