diff options
Diffstat (limited to 'meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch')
-rw-r--r-- | meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch b/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch new file mode 100644 index 0000000000..21f04a1321 --- /dev/null +++ b/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch | |||
@@ -0,0 +1,32 @@ | |||
1 | From 2e1638115f0f924ee8235eee9265047054c15cfd Mon Sep 17 00:00:00 2001 | ||
2 | From: Khem Raj <raj.khem@gmail.com> | ||
3 | Date: Thu, 31 Dec 2015 14:35:35 -0800 | ||
4 | Subject: [PATCH 04/24] nativesdk-glibc: Allow 64 bit atomics for x86 | ||
5 | |||
6 | The fix consist of allowing 64bit atomic ops for x86. | ||
7 | This should be safe for i586 and newer CPUs. | ||
8 | It also makes the synchronization more efficient. | ||
9 | |||
10 | Signed-off-by: Juro Bystricky <juro.bystricky@intel.com> | ||
11 | Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> | ||
12 | Signed-off-by: Khem Raj <raj.khem@gmail.com> | ||
13 | --- | ||
14 | sysdeps/i386/atomic-machine.h | 2 +- | ||
15 | 1 file changed, 1 insertion(+), 1 deletion(-) | ||
16 | |||
17 | diff --git a/sysdeps/i386/atomic-machine.h b/sysdeps/i386/atomic-machine.h | ||
18 | index 59f3d34..6f6b7ff 100644 | ||
19 | --- a/sysdeps/i386/atomic-machine.h | ||
20 | +++ b/sysdeps/i386/atomic-machine.h | ||
21 | @@ -54,7 +54,7 @@ typedef uintmax_t uatomic_max_t; | ||
22 | # endif | ||
23 | #endif | ||
24 | |||
25 | -#define __HAVE_64B_ATOMICS 0 | ||
26 | +#define __HAVE_64B_ATOMICS 1 | ||
27 | #define USE_ATOMIC_COMPILER_BUILTINS 0 | ||
28 | |||
29 | |||
30 | -- | ||
31 | 2.6.4 | ||
32 | |||