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authorDave Jones <davej@redhat.com>2006-04-18 17:19:55 -0500
committerDave Jones <davej@redhat.com>2006-04-18 17:19:55 -0500
commitf1f76afd71e0f17af9a35fcb649f4bab53304a4d (patch)
treea56257b13a0eda4a9b7e950c3b85adad16341b80 /arch/sparc64/mm/fault.c
parent530515a06f90c0831732709efee4a99497bd2b7c (diff)
parent385910f2b275a636238f70844f1b6da9fda6f2da (diff)
downloadlinux-f1f76afd71e0f17af9a35fcb649f4bab53304a4d.tar.bz2
Merge ../linus
Diffstat (limited to 'arch/sparc64/mm/fault.c')
-rw-r--r--arch/sparc64/mm/fault.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index 0db2f7d9fab5..6e002aacb961 100644
--- a/arch/sparc64/mm/fault.c
+++ b/arch/sparc64/mm/fault.c
@@ -327,8 +327,12 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
insn = get_fault_insn(regs, 0);
if (!insn)
goto continue_fault;
+ /* All loads, stores and atomics have bits 30 and 31 both set
+ * in the instruction. Bit 21 is set in all stores, but we
+ * have to avoid prefetches which also have bit 21 set.
+ */
if ((insn & 0xc0200000) == 0xc0200000 &&
- (insn & 0x1780000) != 0x1680000) {
+ (insn & 0x01780000) != 0x01680000) {
/* Don't bother updating thread struct value,
* because update_mmu_cache only cares which tlb
* the access came from.