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authorNatanael Copa <ncopa@alpinelinux.org>2014-04-29 16:17:30 +0200
committerPeter Maydell <peter.maydell@linaro.org>2014-06-11 00:25:06 +0100
commit7224f66ec3c5a51bdfa96a6686efba917b289fc7 (patch)
treee8069aa7b4b10d83c34a987931f70d11c83cfa82
parent747eb78baa8803c58a1063e5da5b7f1e11b20eeb (diff)
downloadqemu-arm-7224f66ec3c5a51bdfa96a6686efba917b289fc7.tar.gz
exec: replace ffsl with ctzl
See 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. This is also needed for musl libc which does not implement ffsl. Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--include/exec/ram_addr.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index 2edfa96c6d..b94de02ea7 100644
--- a/include/exec/ram_addr.h
+++ b/include/exec/ram_addr.h
@@ -117,7 +117,7 @@ static inline void cpu_physical_memory_set_dirty_lebitmap(unsigned long *bitmap,
if (bitmap[i] != 0) {
c = leul_to_cpu(bitmap[i]);
do {
- j = ffsl(c) - 1;
+ j = ctzl(c);
c &= ~(1ul << j);
page_number = (i * HOST_LONG_BITS + j) * hpratio;
addr = page_number * TARGET_PAGE_SIZE;