From adf9d70b0dd754b4626fd0ae2b52014060cf7ba4 Mon Sep 17 00:00:00 2001 From: Natanael Copa Date: Tue, 29 Apr 2014 16:17:28 +0200 Subject: [PATCH] xen: replace ffsl with ctzl ffsl is a GNU extension and not available in musl libc. See also commit fbeadf50 (bitops: unify bitops_ffsl with the one in host-utils.h, call it bitops_ctzl) on why ctzl should be used instead of ffsl. Signed-off-by: Natanael Copa Reviewed-by: Paolo Bonzini [PMM: rebased to accommodate file rename to xen-hvm.c] Signed-off-by: Peter Maydell --- xen-hvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen-hvm.c b/xen-hvm.c index a64486cd35f9..aac38efb0951 100644 --- a/xen-hvm.c +++ b/xen-hvm.c @@ -511,7 +511,7 @@ static void xen_sync_dirty_bitmap(XenIOState *state, for (i = 0; i < ARRAY_SIZE(bitmap); i++) { unsigned long map = bitmap[i]; while (map != 0) { - j = ffsl(map) - 1; + j = ctzl(map); map &= ~(1ul << j); memory_region_set_dirty(framebuffer, (i * width + j) * TARGET_PAGE_SIZE,