x86/cpufeature: Remove unused and seldomly used cpu_has_xx macros

Those are stupid and code should use static_cpu_has_safe() or
boot_cpu_has() instead. Kill the least used and unused ones.

The remaining ones need more careful inspection before a conversion can
happen. On the TODO.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1449481182-27541-4-git-send-email-bp@alien8.de
Cc: David Sterba <dsterba@suse.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Chris Mason <clm@fb.com>
Cc: Josef Bacik <jbacik@fb.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

4 files changed, 7 insertions, 36 deletions

diff --git a/arch/x86/include/asm/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h
index f7e142926481..e4959d023af8 100644
--- a/arch/x86/include/asm/cmpxchg_32.h
+++ b/arch/x86/include/asm/cmpxchg_32.h
@@ -109,6 +109,6 @@ static inline u64 __cmpxchg64_local(volatile u64 *ptr, u64 old, u64 new)
 
 #endif
 
-#define system_has_cmpxchg_double() cpu_has_cx8
+#define system_has_cmpxchg_double() boot_cpu_has(X86_FEATURE_CX8)
 
 #endif /* _ASM_X86_CMPXCHG_32_H */
diff --git a/arch/x86/include/asm/cmpxchg_64.h b/arch/x86/include/asm/cmpxchg_64.h
index 1af94697aae5..caa23a34c963 100644
--- a/arch/x86/include/asm/cmpxchg_64.h
+++ b/arch/x86/include/asm/cmpxchg_64.h
@@ -18,6 +18,6 @@ static inline void set_64bit(volatile u64 *ptr, u64 val)
         cmpxchg_local((ptr), (o), (n));                                 \
 })
 
-#define system_has_cmpxchg_double() cpu_has_cx16
+#define system_has_cmpxchg_double() boot_cpu_has(X86_FEATURE_CX16)
 
 #endif /* _ASM_X86_CMPXCHG_64_H */
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 35401fef0d75..144b042c0872 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -385,58 +385,29 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
 } while (0)
 
 #define cpu_has_fpu             boot_cpu_has(X86_FEATURE_FPU)
-#define cpu_has_de              boot_cpu_has(X86_FEATURE_DE)
 #define cpu_has_pse             boot_cpu_has(X86_FEATURE_PSE)
 #define cpu_has_tsc             boot_cpu_has(X86_FEATURE_TSC)
 #define cpu_has_pge             boot_cpu_has(X86_FEATURE_PGE)
 #define cpu_has_apic            boot_cpu_has(X86_FEATURE_APIC)
-#define cpu_has_sep             boot_cpu_has(X86_FEATURE_SEP)
-#define cpu_has_mtrr            boot_cpu_has(X86_FEATURE_MTRR)
-#define cpu_has_mmx             boot_cpu_has(X86_FEATURE_MMX)
 #define cpu_has_fxsr            boot_cpu_has(X86_FEATURE_FXSR)
 #define cpu_has_xmm             boot_cpu_has(X86_FEATURE_XMM)
 #define cpu_has_xmm2            boot_cpu_has(X86_FEATURE_XMM2)
-#define cpu_has_xmm3            boot_cpu_has(X86_FEATURE_XMM3)
-#define cpu_has_ssse3           boot_cpu_has(X86_FEATURE_SSSE3)
 #define cpu_has_aes             boot_cpu_has(X86_FEATURE_AES)
 #define cpu_has_avx             boot_cpu_has(X86_FEATURE_AVX)
 #define cpu_has_avx2            boot_cpu_has(X86_FEATURE_AVX2)
-#define cpu_has_ht              boot_cpu_has(X86_FEATURE_HT)
-#define cpu_has_nx              boot_cpu_has(X86_FEATURE_NX)
-#define cpu_has_xstore          boot_cpu_has(X86_FEATURE_XSTORE)
-#define cpu_has_xstore_enabled  boot_cpu_has(X86_FEATURE_XSTORE_EN)
-#define cpu_has_xcrypt          boot_cpu_has(X86_FEATURE_XCRYPT)
-#define cpu_has_xcrypt_enabled  boot_cpu_has(X86_FEATURE_XCRYPT_EN)
-#define cpu_has_ace2            boot_cpu_has(X86_FEATURE_ACE2)
-#define cpu_has_ace2_enabled    boot_cpu_has(X86_FEATURE_ACE2_EN)
-#define cpu_has_phe             boot_cpu_has(X86_FEATURE_PHE)
-#define cpu_has_phe_enabled     boot_cpu_has(X86_FEATURE_PHE_EN)
-#define cpu_has_pmm             boot_cpu_has(X86_FEATURE_PMM)
-#define cpu_has_pmm_enabled     boot_cpu_has(X86_FEATURE_PMM_EN)
-#define cpu_has_ds              boot_cpu_has(X86_FEATURE_DS)
-#define cpu_has_pebs            boot_cpu_has(X86_FEATURE_PEBS)
 #define cpu_has_clflush         boot_cpu_has(X86_FEATURE_CLFLUSH)
-#define cpu_has_bts             boot_cpu_has(X86_FEATURE_BTS)
 #define cpu_has_gbpages         boot_cpu_has(X86_FEATURE_GBPAGES)
 #define cpu_has_arch_perfmon    boot_cpu_has(X86_FEATURE_ARCH_PERFMON)
 #define cpu_has_pat             boot_cpu_has(X86_FEATURE_PAT)
-#define cpu_has_xmm4_1          boot_cpu_has(X86_FEATURE_XMM4_1)
-#define cpu_has_xmm4_2          boot_cpu_has(X86_FEATURE_XMM4_2)
 #define cpu_has_x2apic          boot_cpu_has(X86_FEATURE_X2APIC)
 #define cpu_has_xsave           boot_cpu_has(X86_FEATURE_XSAVE)
-#define cpu_has_xsaveopt        boot_cpu_has(X86_FEATURE_XSAVEOPT)
 #define cpu_has_xsaves          boot_cpu_has(X86_FEATURE_XSAVES)
 #define cpu_has_osxsave         boot_cpu_has(X86_FEATURE_OSXSAVE)
 #define cpu_has_hypervisor      boot_cpu_has(X86_FEATURE_HYPERVISOR)
-#define cpu_has_pclmulqdq       boot_cpu_has(X86_FEATURE_PCLMULQDQ)
-#define cpu_has_perfctr_core    boot_cpu_has(X86_FEATURE_PERFCTR_CORE)
-#define cpu_has_perfctr_nb      boot_cpu_has(X86_FEATURE_PERFCTR_NB)
-#define cpu_has_perfctr_l2      boot_cpu_has(X86_FEATURE_PERFCTR_L2)
-#define cpu_has_cx8             boot_cpu_has(X86_FEATURE_CX8)
-#define cpu_has_cx16            boot_cpu_has(X86_FEATURE_CX16)
-#define cpu_has_eager_fpu       boot_cpu_has(X86_FEATURE_EAGER_FPU)
-#define cpu_has_topoext         boot_cpu_has(X86_FEATURE_TOPOEXT)
-#define cpu_has_bpext           boot_cpu_has(X86_FEATURE_BPEXT)
+/*
+ * Do not add any more of those clumsy macros - use static_cpu_has_safe() for
+ * fast paths and boot_cpu_has() otherwise!
+ */
 
 #if __GNUC__ >= 4
 extern void warn_pre_alternatives(void);
diff --git a/arch/x86/include/asm/xor_32.h b/arch/x86/include/asm/xor_32.h
index 5a08bc8bff33..c54beb44c4c1 100644
--- a/arch/x86/include/asm/xor_32.h
+++ b/arch/x86/include/asm/xor_32.h
@@ -553,7 +553,7 @@ do {							\
         if (cpu_has_xmm) {                              \
                 xor_speed(&xor_block_pIII_sse);         \
                 xor_speed(&xor_block_sse_pf64);         \
-        } else if (cpu_has_mmx) {                       \
+        } else if (boot_cpu_has(X86_FEATURE_MMX)) {     \
                 xor_speed(&xor_block_pII_mmx);          \
                 xor_speed(&xor_block_p5_mmx);           \
         } else {                                        \