x86: use native register access for native tlb flushing

currently these are paravirtulaized, doesn't appear any callers rely on
this (no pv_ops backends are using native_tlb and overriding cr3/4
access).

[ Impact: fix lockdep warning with paravirt and function tracer ]

Signed-off-by: Chris Wright <chrisw@sous-sol.org>
LKML-Reference: <20090423172138.GR3036@sequoia.sous-sol.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index d3539f9..e2927c5 100644 (file)
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -17,7 +17,7 @@
 
 static inline void __native_flush_tlb(void)
 {
-       write_cr3(read_cr3());
+       native_write_cr3(native_read_cr3());
 }
 
 static inline void __native_flush_tlb_global(void)
@@ -32,11 +32,11 @@ static inline void __native_flush_tlb_global(void)
         */
        raw_local_irq_save(flags);
 
-       cr4 = read_cr4();
+       cr4 = native_read_cr4();
        /* clear PGE */
-       write_cr4(cr4 & ~X86_CR4_PGE);
+       native_write_cr4(cr4 & ~X86_CR4_PGE);
        /* write old PGE again and flush TLBs */
-       write_cr4(cr4);
+       native_write_cr4(cr4);
 
        raw_local_irq_restore(flags);
 }