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-rw-r--r--meta/recipes-core/glibc/glibc/0006-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch16
1 files changed, 10 insertions, 6 deletions
diff --git a/meta/recipes-core/glibc/glibc/0006-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch b/meta/recipes-core/glibc/glibc/0006-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch
index db8b6c0f1c..56eaaed4b7 100644
--- a/meta/recipes-core/glibc/glibc/0006-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch
+++ b/meta/recipes-core/glibc/glibc/0006-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch
@@ -1,4 +1,4 @@
-From a752857cc342ee5136c9a593037b6ee6ff8af8ee Mon Sep 17 00:00:00 2001
+From 3a94365c730d174a3c30c6d9282e6ca12d9ad091 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
@@ -13,15 +13,15 @@ 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/x86/atomic-machine.h | 3 +--
- 1 file changed, 1 insertion(+), 2 deletions(-)
+ sysdeps/x86/atomic-machine.h | 7 +------
+ 1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/sysdeps/x86/atomic-machine.h b/sysdeps/x86/atomic-machine.h
-index bb49648374..aa08d3c0a7 100644
+index cfd395087b..28a937c468 100644
--- a/sysdeps/x86/atomic-machine.h
+++ b/sysdeps/x86/atomic-machine.h
-@@ -58,15 +58,14 @@ typedef uintmax_t uatomic_max_t;
- #endif
+@@ -26,19 +26,14 @@
+ #define LOCK_PREFIX "lock;"
#define USE_ATOMIC_COMPILER_BUILTINS 1
+# define __HAVE_64B_ATOMICS 1
@@ -33,6 +33,10 @@ index bb49648374..aa08d3c0a7 100644
# define BR_CONSTRAINT "q"
# define IBR_CONSTRAINT "iq"
#else
+-/* Since the Pentium, i386 CPUs have supported 64-bit atomics, but the
+- i386 psABI supplement provides only 4-byte alignment for uint64_t
+- inside structs, so it is currently not possible to use 64-bit
+- atomics on this platform. */
-# define __HAVE_64B_ATOMICS 0
# define SP_REG "esp"
# define SEG_REG "gs"