blob: d4781ab64aa1132f329df932dd5e92b61bc311f0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
From 235699fab03b8e60358863bae9e9c9aeea978189 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Tue, 29 Apr 2014 14:41:19 +0200
Subject: [PATCH 5/6] 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>
---
include/exec/ram_addr.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index 2edfa96..b94de02 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;
--
1.9.2
|
