X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Fsparc64%2Fmm%2Ffault.c;h=6e002aacb961832113ba30d522d437460ee20612;hp=d21ff3230c0227be384b83503e85f530a9b5fd22;hb=69cd291c6bbc6647fe3783257c5a2e076e808f71;hpb=1b9a3917366028cc451a98dd22e3bcd537d4e5c1

diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index d21ff3230c02..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.
@@ -413,12 +417,12 @@ good_area:
 #ifdef CONFIG_HUGETLB_PAGE
 	mm_rss -= (mm->context.huge_pte_count * (HPAGE_SIZE / PAGE_SIZE));
 #endif
-	if (unlikely(mm_rss >=
+	if (unlikely(mm_rss >
 		     mm->context.tsb_block[MM_TSB_BASE].tsb_rss_limit))
 		tsb_grow(mm, MM_TSB_BASE, mm_rss);
 #ifdef CONFIG_HUGETLB_PAGE
 	mm_rss = mm->context.huge_pte_count;
-	if (unlikely(mm_rss >=
+	if (unlikely(mm_rss >
 		     mm->context.tsb_block[MM_TSB_HUGE].tsb_rss_limit))
 		tsb_grow(mm, MM_TSB_HUGE, mm_rss);
 #endif