X-Git-Url: https://review.fuel-infra.org/gitweb?a=blobdiff_plain;f=cirros-testvm%2Fsrc-cirros%2Fbuildroot-2015.05%2Fpackage%2Fliburcu%2F0001-Only-blacklist-ARM-gcc-4.8.0-and-4.8.1.patch;fp=cirros-testvm%2Fsrc-cirros%2Fbuildroot-2015.05%2Fpackage%2Fliburcu%2F0001-Only-blacklist-ARM-gcc-4.8.0-and-4.8.1.patch;h=585abc03224830bc69ca216e22da95aa02323f60;hb=b0a0f15dfaa205161a7fcb20cf1b8cd4948c2ef3;hp=0000000000000000000000000000000000000000;hpb=c6ac3cd55ee2da956195eee393b0882105dfad4e;p=packages%2Ftrusty%2Fcirros-testvm.git

diff --git a/cirros-testvm/src-cirros/buildroot-2015.05/package/liburcu/0001-Only-blacklist-ARM-gcc-4.8.0-and-4.8.1.patch b/cirros-testvm/src-cirros/buildroot-2015.05/package/liburcu/0001-Only-blacklist-ARM-gcc-4.8.0-and-4.8.1.patch
new file mode 100644
index 0000000..585abc0
--- /dev/null
+++ b/cirros-testvm/src-cirros/buildroot-2015.05/package/liburcu/0001-Only-blacklist-ARM-gcc-4.8.0-and-4.8.1.patch
@@ -0,0 +1,40 @@
+From 54d8fe7ae40902d6d38e670f4024092f53c14e1f Mon Sep 17 00:00:00 2001
+From: Samuel Martin <s.martin49@gmail.com>
+Date: Sat, 8 Mar 2014 13:19:14 +0100
+Subject: [PATCH] Only blacklist ARM gcc 4.8.0 and 4.8.1
+
+Since many ARM toolchain providers include the bug fix for PR58854 in
+their latest releases based on gcc-4.8.2, then only blacklist gcc 4.8.0
+and 4.8.1.
+
+Signed-off-by: Samuel Martin <s.martin49@gmail.com>
+---
+ urcu/compiler.h | 9 ++++++++-
+ 1 file changed, 8 insertions(+), 1 deletion(-)
+
+diff --git a/urcu/compiler.h b/urcu/compiler.h
+index 1e30903..56115f1 100644
+--- a/urcu/compiler.h
++++ b/urcu/compiler.h
+@@ -118,10 +118,17 @@
+ 				+ __GNUC_PATCHLEVEL__)
+ 
+ /*
++ * Official gcc releases from 4.8.0 to 4.8.2 have the following bug,
++ * however, many arm toolchain providers have the included the fix for
++ * their latest 4.8.2 releases.
++ * So, we only blacklist gcc 4.8.0 and 4.8.1.
++ * Unfortunately, this bug is not easy to test, so we rely on the
++ * knowledge of the user on its compiler.
++ *
+  * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
+  */
+ # ifdef __ARMEL__
+-#  if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40802
++#  if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40801
+ #   error Your gcc version produces clobbered frame accesses
+ #  endif
+ # endif
+-- 
+1.9.0
+