commit b70c0fa1613c4f69b4a340a0e2bee387560ebbb1
author David S. Miller <davem@davemloft.net> Tue Jan 31 18:32:04 2006 -0800
committer David S. Miller <davem@sunset.davemloft.net> Mon Mar 20 01:11:19 2006 -0800
tree f7bf22ab75cb9118f5772353fef6efd923faa212
parent bd40791e1d289d807b8580abe1f117e9c62894e4

[SPARC64]: Preload TSB entries from update_mmu_cache().

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc64/kernel/tsb.S

diff --git a/arch/sparc64/kernel/tsb.S b/arch/sparc64/kernel/tsb.S
index fe266ba..08405ed 100644
--- a/arch/sparc64/kernel/tsb.S
+++ b/arch/sparc64/kernel/tsb.S
@@ -126,6 +126,23 @@
 	wrpr	%g3, %tnpc			! Write it into TNPC
 	done					! Trap return
 
+	/* Insert an entry into the TSB.
+	 *
+	 * %o0: TSB entry pointer
+	 * %o1: tag
+	 * %o2:	pte
+	 */
+	.align	32
+	.globl	tsb_insert
+tsb_insert:
+	rdpr	%pstate, %o5
+	wrpr	%o5, PSTATE_IE, %pstate
+	TSB_LOCK_TAG(%o0, %g2, %g3)
+	TSB_WRITE(%o0, %o2, %o1)
+	wrpr	%o5, %pstate
+	retl
+	 nop
+
 	/* Reload MMU related context switch state at
 	 * schedule() time.
 	 *