Messages in this thread Patch in this message | | | From | Sergey Senozhatsky <> | Subject | [PATCH 2/3] tools/vm/page-types: suppress gcc warnings | Date | Tue, 10 Nov 2015 22:32:05 +0900 |
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Define 'end' and 'first' as volatile to suppress gcc warnings:
page-types.c:854:13: warning: variable 'end' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered] page-types.c:858:6: warning: variable 'first' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> --- tools/vm/page-types.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c index bcf5ec7..0651cd5 100644 --- a/tools/vm/page-types.c +++ b/tools/vm/page-types.c @@ -851,11 +851,12 @@ static void walk_file(const char *name, const struct stat *st) uint8_t vec[PAGEMAP_BATCH]; uint64_t buf[PAGEMAP_BATCH], flags; unsigned long nr_pages, pfn, i; - off_t off, end = st->st_size; + off_t off; int fd; ssize_t len; void *ptr; - int first = 1; + volatile int first = 1; + volatile off_t end = st->st_size; fd = checked_open(name, O_RDONLY|O_NOATIME|O_NOFOLLOW); -- 2.6.2.280.g74301d6
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