[PATCH] scheduler cache-hot-autodetect

[linux-2.6-omap-h63xx.git] / include / asm-x86_64 / processor.h

diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index a8321999448f840e256d142a3cf2a62cd62db120..394dd729752d7420844c94c9ea54af2cc631469e 100644 (file)
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -61,10 +61,12 @@ struct cpuinfo_x86 {
        int     x86_cache_alignment;
        int     x86_tlbsize;    /* number of 4K pages in DTLB/ITLB combined(in pages)*/
         __u8    x86_virt_bits, x86_phys_bits;
-       __u8    x86_num_cores;
+       __u8    x86_max_cores;  /* cpuid returned max cores value */
         __u32   x86_power;     
        __u32   extended_cpuid_level;   /* Max extended CPUID function supported */
        unsigned long loops_per_jiffy;
+       __u8    apicid;
+       __u8    booted_cores;   /* number of cores as seen by OS */
 } ____cacheline_aligned;
 
 #define X86_VENDOR_INTEL 0
@@ -225,7 +227,13 @@ struct tss_struct {
 extern struct cpuinfo_x86 boot_cpu_data;
 DECLARE_PER_CPU(struct tss_struct,init_tss);
 
+#ifdef CONFIG_X86_VSMP
+#define ARCH_MIN_TASKALIGN     (1 << INTERNODE_CACHE_SHIFT)
+#define ARCH_MIN_MMSTRUCT_ALIGN        (1 << INTERNODE_CACHE_SHIFT)
+#else
 #define ARCH_MIN_TASKALIGN     16
+#define ARCH_MIN_MMSTRUCT_ALIGN        0
+#endif
 
 struct thread_struct {
        unsigned long   rsp0;
@@ -254,7 +262,13 @@ struct thread_struct {
        u64 tls_array[GDT_ENTRY_TLS_ENTRIES];
 } __attribute__((aligned(16)));
 
-#define INIT_THREAD  {}
+#define INIT_THREAD  { \
+       .rsp0 = (unsigned long)&init_stack + sizeof(init_stack) \
+}
+
+#define INIT_TSS  { \
+       .rsp0 = (unsigned long)&init_stack + sizeof(init_stack) \
+}
 
 #define INIT_MMAP \
 { &init_mm, 0, 0, NULL, PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, 1, NULL, NULL }
@@ -265,8 +279,6 @@ struct thread_struct {
 #define DEBUG_STACK 4 
 #define MCE_STACK 5
 #define N_EXCEPTION_STACKS 5  /* hw limit: 7 */
-#define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER)
-#define EXCEPTION_STACK_ORDER 0 
 
 #define start_thread(regs,new_rip,new_rsp) do { \
        asm volatile("movl %0,%%fs; movl %0,%%es; movl %0,%%ds": :"r" (0));      \
@@ -375,13 +387,13 @@ struct extended_sigtable {
 #define ASM_NOP_MAX 8
 
 /* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
-extern inline void rep_nop(void)
+static inline void rep_nop(void)
 {
        __asm__ __volatile__("rep;nop": : :"memory");
 }
 
 /* Stop speculative execution */
-extern inline void sync_core(void)
+static inline void sync_core(void)
 { 
        int tmp;
        asm volatile("cpuid" : "=a" (tmp) : "0" (1) : "ebx","ecx","edx","memory");