diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/files/fallback-to-safe-mmap_min_addr.patch')
-rw-r--r-- | meta/recipes-devtools/qemu/files/fallback-to-safe-mmap_min_addr.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/files/fallback-to-safe-mmap_min_addr.patch b/meta/recipes-devtools/qemu/files/fallback-to-safe-mmap_min_addr.patch new file mode 100644 index 0000000000..2075386b9f --- /dev/null +++ b/meta/recipes-devtools/qemu/files/fallback-to-safe-mmap_min_addr.patch | |||
@@ -0,0 +1,39 @@ | |||
1 | From c313f89c33217ac0e471554dace2144718f86669 Mon Sep 17 00:00:00 2001 | ||
2 | From: Martin Jansa <Martin.Jansa@gmail.com> | ||
3 | Date: Thu, 13 May 2010 12:23:40 +0200 | ||
4 | Subject: [PATCH] linux-user: use default mmap_min_addr 65536 when /proc/sys/vm/mmap_min_addr cannot be read | ||
5 | |||
6 | * 65536 is default at least for ubuntu and fedora. | ||
7 | --- | ||
8 | linux-user/main.c | 5 +++++ | ||
9 | 1 files changed, 5 insertions(+), 0 deletions(-) | ||
10 | |||
11 | Upstream-Status: Pending | ||
12 | |||
13 | Index: qemu-0.14.0/linux-user/main.c | ||
14 | =================================================================== | ||
15 | --- qemu-0.14.0.orig/linux-user/main.c | ||
16 | +++ qemu-0.14.0/linux-user/main.c | ||
17 | @@ -36,6 +36,7 @@ | ||
18 | #include "envlist.h" | ||
19 | |||
20 | #define DEBUG_LOGFILE "/tmp/qemu.log" | ||
21 | +#define MMAP_MIN_ADDR_DEFAULT 65536 | ||
22 | |||
23 | char *exec_path; | ||
24 | |||
25 | @@ -3010,8 +3011,14 @@ int main(int argc, char **argv, char **e | ||
26 | if (fscanf(fp, "%lu", &tmp) == 1) { | ||
27 | mmap_min_addr = tmp; | ||
28 | qemu_log("host mmap_min_addr=0x%lx\n", mmap_min_addr); | ||
29 | + } else { | ||
30 | + qemu_log("cannot read value from /proc/sys/vm/mmap_min_addr, assuming %d\n", MMAP_MIN_ADDR_DEFAULT); | ||
31 | + mmap_min_addr = MMAP_MIN_ADDR_DEFAULT; | ||
32 | } | ||
33 | fclose(fp); | ||
34 | + } else { | ||
35 | + qemu_log("cannot open /proc/sys/vm/mmap_min_addr for reading, assuming %d\n", MMAP_MIN_ADDR_DEFAULT); | ||
36 | + mmap_min_addr = MMAP_MIN_ADDR_DEFAULT; | ||
37 | } | ||
38 | } | ||
39 | |||