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authorKhem Raj <raj.khem@gmail.com>2019-12-20 15:40:20 -0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2020-01-19 13:24:31 +0000
commitb22626d996e153d6094e1f76ed33ee1bb3eea751 (patch)
treea5b50ac84c9e8c88c3880238018584ab96c57538 /meta/recipes-core/glibc/glibc/0006-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch
parenteae63df5524b681897ff7831fa32f16f1b2f792e (diff)
downloadopenembedded-core-b22626d996e153d6094e1f76ed33ee1bb3eea751.tar.gz
glibc: Upgrade to 2.31
License-Update: Prefer https to http for gnu.org and fsf.org URLs [1] [1] https://sourceware.org/git/?p=glibc.git;a=commit;h=5a82c74822d3272df2f5929133680478c0cfb4bd Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-core/glibc/glibc/0006-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch')
-rw-r--r--meta/recipes-core/glibc/glibc/0006-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch39
1 files changed, 39 insertions, 0 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
new file mode 100644
index 0000000000..0d070a93b9
--- /dev/null
+++ b/meta/recipes-core/glibc/glibc/0006-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch
@@ -0,0 +1,39 @@
+From f9993e652bd4a0f03402d0c527cf24b83d0ff7ea 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/x86/atomic-machine.h | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/sysdeps/x86/atomic-machine.h b/sysdeps/x86/atomic-machine.h
+index bb49648374..aa08d3c0a7 100644
+--- a/sysdeps/x86/atomic-machine.h
++++ b/sysdeps/x86/atomic-machine.h
+@@ -58,15 +58,14 @@ typedef uintmax_t uatomic_max_t;
+ #endif
+
+ #define USE_ATOMIC_COMPILER_BUILTINS 1
++# define __HAVE_64B_ATOMICS 1
+
+ #ifdef __x86_64__
+-# define __HAVE_64B_ATOMICS 1
+ # define SP_REG "rsp"
+ # define SEG_REG "fs"
+ # define BR_CONSTRAINT "q"
+ # define IBR_CONSTRAINT "iq"
+ #else
+-# define __HAVE_64B_ATOMICS 0
+ # define SP_REG "esp"
+ # define SEG_REG "gs"
+ # define BR_CONSTRAINT "r"