1 files changed, 21 insertions, 6 deletions

diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 5eaf9bf0a623..c7d35464a4bb 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -76,11 +76,11 @@ struct cpuinfo_x86 {
         int                      x86_tlbsize;
         __u8                    x86_virt_bits;
         __u8                    x86_phys_bits;
+#endif
         /* CPUID returned core id bits: */
         __u8                    x86_coreid_bits;
         /* Max extended CPUID function supported: */
         __u32                   extended_cpuid_level;
-#endif
         /* Maximum supported CPUID level, -1=no CPUID: */
         int                     cpuid_level;
         __u32                   x86_capability[NCAPINTS];
@@ -166,11 +166,8 @@ extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
 extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
 extern unsigned short num_cache_leaves;
 
-#if defined(CONFIG_X86_HT) || defined(CONFIG_X86_64)
+extern void detect_extended_topology(struct cpuinfo_x86 *c);
 extern void detect_ht(struct cpuinfo_x86 *c);
-#else
-static inline void detect_ht(struct cpuinfo_x86 *c) {}
-#endif
 
 static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
                                 unsigned int *ecx, unsigned int *edx)
@@ -327,7 +324,12 @@ struct i387_fxsave_struct {
         /* 16*16 bytes for each XMM-reg = 256 bytes:                    */
         u32                     xmm_space[64];
 
-        u32                     padding[24];
+        u32                     padding[12];
+
+        union {
+                u32             padding1[12];
+                u32             sw_reserved[12];
+        };
 
 } __attribute__((aligned(16)));
 
@@ -351,10 +353,23 @@ struct i387_soft_struct {
         u32                     entry_eip;
 };
 
+struct xsave_hdr_struct {
+        u64 xstate_bv;
+        u64 reserved1[2];
+        u64 reserved2[5];
+} __attribute__((packed));
+
+struct xsave_struct {
+        struct i387_fxsave_struct i387;
+        struct xsave_hdr_struct xsave_hdr;
+        /* new processor state extensions will go here */
+} __attribute__ ((packed, aligned (64)));
+
 union thread_xstate {
         struct i387_fsave_struct        fsave;
         struct i387_fxsave_struct       fxsave;
         struct i387_soft_struct         soft;
+        struct xsave_struct             xsave;
 };
 
 #ifdef CONFIG_X86_64