diff options
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.patch | 21 |
1 files changed, 11 insertions, 10 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 372dca727e..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 @@ -1,7 +1,7 @@ -From bd0486cab67c3441210aed48caab67418610a765 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 06/29] nativesdk-glibc: Allow 64 bit atomics for x86 +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. @@ -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 @@ -33,10 +33,11 @@ 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" # define BR_CONSTRAINT "r" --- -2.27.0 - |