diff options
Diffstat (limited to 'poky/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch')
| -rw-r--r-- | poky/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/poky/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch b/poky/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch new file mode 100644 index 000000000..f9d70c2a0 --- /dev/null +++ b/poky/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch @@ -0,0 +1,34 @@ +From 2bafdbd7067794c6a24e5e85608c0ec4638c5667 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Thu, 31 Dec 2015 14:35:35 -0800 +Subject: [PATCH 04/27] nativesdk-glibc: Allow 64 bit atomics for x86 + +The fix consist of allowing 64bit atomic ops for x86. +This should be safe for i586 and newer CPUs. +It also makes the synchronization more efficient. + +Upstream-Status: Inappropriate [OE-Specific] + +Signed-off-by: Juro Bystricky <juro.bystricky@intel.com> +Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + sysdeps/i386/atomic-machine.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/sysdeps/i386/atomic-machine.h b/sysdeps/i386/atomic-machine.h +index 272da5dd8f..409c759f14 100644 +--- a/sysdeps/i386/atomic-machine.h ++++ b/sysdeps/i386/atomic-machine.h +@@ -54,7 +54,7 @@ typedef uintmax_t uatomic_max_t; + # endif + #endif + +-#define __HAVE_64B_ATOMICS 0 ++#define __HAVE_64B_ATOMICS 1 + #define USE_ATOMIC_COMPILER_BUILTINS 0 + #define ATOMIC_EXCHANGE_USES_CAS 0 + +-- +2.16.1 + |
