X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Farch%2Fsparc%2Fkernel%2Fktlb.S;fp=kernel%2Farch%2Fsparc%2Fkernel%2Fktlb.S;h=f22bec0db64549ace3b68d645b8d23db87ec1b5b;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=ef0d8e9e1210e6dffbc184a8ce426c708a968062;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/arch/sparc/kernel/ktlb.S b/kernel/arch/sparc/kernel/ktlb.S
index ef0d8e9e1..f22bec0db 100644
--- a/kernel/arch/sparc/kernel/ktlb.S
+++ b/kernel/arch/sparc/kernel/ktlb.S
@@ -20,6 +20,10 @@ kvmap_itlb:
 	mov		TLB_TAG_ACCESS, %g4
 	ldxa		[%g4] ASI_IMMU, %g4
 
+	/* The kernel executes in context zero, therefore we do not
+	 * need to clear the context ID bits out of %g4 here.
+	 */
+
 	/* sun4v_itlb_miss branches here with the missing virtual
 	 * address already loaded into %g4
 	 */
@@ -128,6 +132,10 @@ kvmap_dtlb:
 	mov		TLB_TAG_ACCESS, %g4
 	ldxa		[%g4] ASI_DMMU, %g4
 
+	/* The kernel executes in context zero, therefore we do not
+	 * need to clear the context ID bits out of %g4 here.
+	 */
+
 	/* sun4v_dtlb_miss branches here with the missing virtual
 	 * address already loaded into %g4
 	 */
@@ -251,6 +259,10 @@ kvmap_dtlb_longpath:
 	nop
 	.previous
 
+	/* The kernel executes in context zero, therefore we do not
+	 * need to clear the context ID bits out of %g5 here.
+	 */
+
 	be,pt	%xcc, sparc64_realfault_common
 	 mov	FAULT_CODE_DTLB, %g4
 	ba,pt	%xcc, winfix_trampoline