diff options
Diffstat (limited to 'main/qemu/0003-xen-replace-ffsl-with-ctzl.patch')
| -rw-r--r-- | main/qemu/0003-xen-replace-ffsl-with-ctzl.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/main/qemu/0003-xen-replace-ffsl-with-ctzl.patch b/main/qemu/0003-xen-replace-ffsl-with-ctzl.patch new file mode 100644 index 0000000000..63d7de95eb --- /dev/null +++ b/main/qemu/0003-xen-replace-ffsl-with-ctzl.patch @@ -0,0 +1,32 @@ +From a8f26948d36c27243fd564e9af59ebf416838311 Mon Sep 17 00:00:00 2001 +From: Natanael Copa <ncopa@alpinelinux.org> +Date: Tue, 29 Apr 2014 14:28:52 +0200 +Subject: [PATCH 3/6] 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 <ncopa@alpinelinux.org> +--- + xen-all.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/xen-all.c b/xen-all.c +index ba34739..3a0e9e5 100644 +--- a/xen-all.c ++++ b/xen-all.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, +-- +1.9.2 + |