Author: dim
Date: Fri Feb 28 20:22:48 2014
New Revision: 262620
URL: http://svnweb.freebsd.org/changeset/base/262620
Log:
MFC r262471:
In sys/sparc64/sparc64/spitfire.c, prevent signed shift overflow by
casting to the appropriate type. (Note this fix cannot be done in
sys/sparc64/sparc64/spitfire.c, since that file is also included by
assembly source files.)
Reviewed by: marius
Modified:
stable/9/sys/sparc64/sparc64/spitfire.c
Directory Properties:
stable/9/sys/ (props changed)
Changes in other areas also in this revision:
Modified:
stable/10/sys/sparc64/sparc64/spitfire.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/9/sys/sparc64/sparc64/spitfire.c
==============================================================================
--- stable/9/sys/sparc64/sparc64/spitfire.c Fri Feb 28 19:51:47 2014
(r262619)
+++ stable/9/sys/sparc64/sparc64/spitfire.c Fri Feb 28 20:22:48 2014
(r262620)
@@ -130,7 +130,7 @@ spitfire_icache_page_inval(vm_paddr_t pa
: "=r" (tag) : "r" (addr), "n" (ASI_ICACHE_TAG));
if (((tag >> IC_VALID_SHIFT) & IC_VALID_MASK) == 0)
continue;
- tag &= IC_TAG_MASK << IC_TAG_SHIFT;
+ tag &= (u_long)IC_TAG_MASK << IC_TAG_SHIFT;
if (tag == target) {
PMAP_STATS_INC(spitfire_icache_npage_inval_match);
stxa_sync(addr, ASI_ICACHE_TAG, tag);
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