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-rw-r--r--arch/sparc64/kernel/tsb.S9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/tsb.S b/arch/sparc64/kernel/tsb.S
index cc225c0563c3..563852bf3594 100644
--- a/arch/sparc64/kernel/tsb.S
+++ b/arch/sparc64/kernel/tsb.S
@@ -103,6 +103,15 @@ tsb_dtlb_load:
mov %g5, %g3
tsb_itlb_load:
+ /* Executable bit must be set. */
+661: andcc %g5, _PAGE_EXEC_4U, %g0
+ .section .sun4v_1insn_patch, "ax"
+ .word 661b
+ andcc %g5, _PAGE_EXEC_4V, %g0
+ .previous
+
+ be,pn %xcc, tsb_do_fault
+ nop
661: stxa %g5, [%g0] ASI_ITLB_DATA_IN
retry