[PATCH] ppc64: mask lower bits in tlbie

[Anton Blanchard]

Hi,

We werent masking the lower bits of the VA in a tlbie(l) instruction.
While most CPUs ignore this we should play it safe and follow the spec.

Anton

Signed-off-by: Anton Blanchard <anton at samba.org>

diff -puN include/asm-ppc64/mmu.h~fix_tlbie include/asm-ppc64/mmu.h
--- gr_work/include/asm-ppc64/mmu.h~fix_tlbie	2005-01-12 22:54:35.098404315 -0600
+++ gr_work-anton/include/asm-ppc64/mmu.h	2005-01-12 22:54:35.107402890 -0600
@@ -122,10 +122,13 @@ static inline void __tlbie(unsigned long
 	/* clear top 16 bits, non SLS segment */
 	va &= ~(0xffffULL << 48);
 
-	if (large)
+	if (large) {
+		va &= HPAGE_MASK;
 		asm volatile("tlbie %0,1" : : "r"(va) : "memory");
-	else
+	} else {
+		va &= PAGE_MASK;
 		asm volatile("tlbie %0,0" : : "r"(va) : "memory");
+	}
 }
 
 static inline void tlbie(unsigned long va, int large)
@@ -139,6 +142,7 @@ static inline void __tlbiel(unsigned lon
 {
 	/* clear top 16 bits, non SLS segment */
 	va &= ~(0xffffULL << 48);
+	va &= PAGE_MASK;
 
 	/* 
 	 * Thanks to Alan Modra we are now able to use machine specific 
_