Merge branches 'x86/asm', 'x86/cleanups', 'x86/cpudetect', 'x86/debug', 'x86/doc...

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / x86 / include / asm / processor.h

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 091cd8855f2e61707747d07c94286399619852e9..84afa0d4d7177e4cf4f7ae88fb74c27cce7bab19 100644 (file)
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -73,7 +73,7 @@ struct cpuinfo_x86 {
        char                    pad0;
 #else
        /* Number of 4K pages in DTLB/ITLB combined(in pages): */
-       int                      x86_tlbsize;
+       int                     x86_tlbsize;
        __u8                    x86_virt_bits;
        __u8                    x86_phys_bits;
 #endif
@@ -378,6 +378,22 @@ union thread_xstate {
 
 #ifdef CONFIG_X86_64
 DECLARE_PER_CPU(struct orig_ist, orig_ist);
+
+union irq_stack_union {
+       char irq_stack[IRQ_STACK_SIZE];
+       /*
+        * GCC hardcodes the stack canary as %gs:40.  Since the
+        * irq_stack is the object at %gs:0, we reserve the bottom
+        * 48 bytes of the irq stack for the canary.
+        */
+       struct {
+               char gs_base[40];
+               unsigned long stack_canary;
+       };
+};
+
+DECLARE_PER_CPU(union irq_stack_union, irq_stack_union);
+DECLARE_PER_CPU(char *, irq_stack_ptr);
 #endif
 
 extern void print_cpu_info(struct cpuinfo_x86 *);
@@ -754,7 +770,6 @@ extern struct desc_ptr              early_gdt_descr;
 extern void cpu_set_gdt(int);
 extern void switch_to_new_gdt(void);
 extern void cpu_init(void);
-extern void init_gdt(int cpu);
 
 static inline unsigned long get_debugctlmsr(void)
 {