diff options
| author |   ToshikazuOhiwa <toshikazu_ohiwa@mail.toyota.co.jp> | 2020-03-30 09:24:26 +0900 |
|---|---|---|
| committer | ToshikazuOhiwa <toshikazu_ohiwa@mail.toyota.co.jp> | 2020-03-30 09:24:26 +0900 |
| commit | 5b80bfd7bffd4c20d80b7c70a7130529e9a755dd (patch) | |
| tree | b4bb18dcd1487dbf1ea8127e5671b7bb2eded033 /external/poky/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch | |
| parent | 706ad73eb02caf8532deaf5d38995bd258725cb8 (diff) | |
agl-basesystem
Diffstat (limited to 'external/poky/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch')
| -rw-r--r-- | external/poky/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/external/poky/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch b/external/poky/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch new file mode 100644 index 00000000..1ae2e33b --- /dev/null +++ b/external/poky/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch @@ -0,0 +1,31 @@ +From a237553ccd15276462be2023057a017fa8ee5d7c 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] 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 + |