Author: lstewart
Date: Tue Jul 13 09:17:30 2010
New Revision: 209987
URL: http://svn.freebsd.org/changeset/base/209987
Log:
- The sum variable used in DPCPU_SUM needs to be of the same type as the
DPCPU variable, rather than a pointer to the type.
- Zero # bytes equivalent to sizeof(object), not sizeof(ptr_to_object).
- Remove an unnecessary __typeof.
Sponsored by: FreeBSD Foundation
Submitted by: jmallet
MFC after: 3 days
Modified:
head/sys/sys/pcpu.h
Modified: head/sys/sys/pcpu.h
==============================================================================
--- head/sys/sys/pcpu.h Tue Jul 13 08:55:52 2010 (r209986)
+++ head/sys/sys/pcpu.h Tue Jul 13 09:17:30 2010 (r209987)
@@ -112,7 +112,7 @@ extern uintptr_t dpcpu_off[];
#define DPCPU_SUM(n) __extension__
\
({ \
u_int _i; \
- __typeof(DPCPU_PTR(n)) sum; \
+ __typeof(*DPCPU_PTR(n)) sum; \
\
sum = 0; \
CPU_FOREACH(_i) { \
@@ -137,8 +137,7 @@ extern uintptr_t dpcpu_off[];
u_int _i; \
\
CPU_FOREACH(_i) { \
- bzero(DPCPU_ID_PTR(_i, n), \
- sizeof(__typeof(DPCPU_PTR(n)))); \
+ bzero(DPCPU_ID_PTR(_i, n), sizeof(*DPCPU_PTR(n))); \
} \
} while(0)
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