x86/cpufeature: Remove cpu_has_clflush

Use the fast variant in the DRM code.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dri-devel@lists.freedesktop.org
Cc: intel-gfx@lists.freedesktop.org
Link: http://lkml.kernel.org/r/1459266123-21878-7-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>

arch/x86/kernel/cpu/intel.c

@@ -468,7 +468,7 @@ static void init_intel(struct cpuinfo_x86 *c)
 			set_cpu_cap(c, X86_FEATURE_PEBS);
 	}
 
-	if (c->x86 == 6 && cpu_has_clflush &&
+	if (c->x86 == 6 && boot_cpu_has(X86_FEATURE_CLFLUSH) &&
 	    (c->x86_model == 29 || c->x86_model == 46 || c->x86_model == 47))
 		set_cpu_bug(c, X86_BUG_CLFLUSH_MONITOR);
 

arch/x86/kernel/tce_64.c

@@ -40,7 +40,7 @@
 static inline void flush_tce(void* tceaddr)
 {
 	/* a single tce can't cross a cache line */
-	if (cpu_has_clflush)
+	if (boot_cpu_has(X86_FEATURE_CLFLUSH))
 		clflush(tceaddr);
 	else
 		wbinvd();