aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/processor.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/processor.h')
-rw-r--r--arch/x86/include/asm/processor.h29
1 files changed, 4 insertions, 25 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 325b7bd..cae9c3c 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -110,6 +110,8 @@ struct cpuinfo_x86 {
u16 phys_proc_id;
/* Core id: */
u16 cpu_core_id;
+ /* Compute unit id */
+ u8 compute_unit_id;
/* Index into per_cpu list: */
u16 cpu_index;
#endif
@@ -602,7 +604,7 @@ extern unsigned long mmu_cr4_features;
static inline void set_in_cr4(unsigned long mask)
{
- unsigned cr4;
+ unsigned long cr4;
mmu_cr4_features |= mask;
cr4 = read_cr4();
@@ -612,7 +614,7 @@ static inline void set_in_cr4(unsigned long mask)
static inline void clear_in_cr4(unsigned long mask)
{
- unsigned cr4;
+ unsigned long cr4;
mmu_cr4_features &= ~mask;
cr4 = read_cr4();
@@ -764,29 +766,6 @@ extern unsigned long idle_halt;
extern unsigned long idle_nomwait;
extern bool c1e_detected;
-/*
- * on systems with caches, caches must be flashed as the absolute
- * last instruction before going into a suspended halt. Otherwise,
- * dirty data can linger in the cache and become stale on resume,
- * leading to strange errors.
- *
- * perform a variety of operations to guarantee that the compiler
- * will not reorder instructions. wbinvd itself is serializing
- * so the processor will not reorder.
- *
- * Systems without cache can just go into halt.
- */
-static inline void wbinvd_halt(void)
-{
- mb();
- /* check for clflush to determine if wbinvd is legal */
- if (cpu_has_clflush)
- asm volatile("cli; wbinvd; 1: hlt; jmp 1b" : : : "memory");
- else
- while (1)
- halt();
-}
-
extern void enable_sep_cpu(void);
extern int sysenter_setup(void);