Revision cbd74e1bc8129efb9908f130a8a6e60fd95d2106 authored by Philippe Bergheaud on 05 August 2016, 12:02:00 UTC, committed by Michael Ellerman on 09 August 2016, 06:52:01 UTC
This patch fixes a regression introduced by commit b810253bd934 ("cxl:
Add mechanism for delivering AFU driver specific events").
It changes the type u8 to __u8 in the uapi header cxl.h, because the
former is a kernel internal type, and may not be defined in userland
build environments, in particular when cross-compiling libcxl on x86_64
linux machines (RHEL6.7 and Ubuntu 16.04).
This patch also changes the size of the field data_size, and makes it
constant, to support 32-bit userland applications running on big-endian
ppc64 kernels transparently.
mpe: This is an ABI change, however the ABI was only added during the
4.8 merge window so has never been part of a released kernel - therefore
we give ourselves permission to change it.
Fixes: b810253bd934 ("cxl: Add mechanism for delivering AFU driver specific events")
Signed-off-by: Philippe Bergheaud <felix@linux.vnet.ibm.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
1 parent 546c440
gcc-plugin.sh
#!/bin/sh
srctree=$(dirname "$0")
gccplugins_dir=$($3 -print-file-name=plugin)
plugincc=$($1 -E -x c++ - -o /dev/null -I"${srctree}"/gcc-plugins -I"${gccplugins_dir}"/include 2>&1 <<EOF
#include "gcc-common.h"
#if BUILDING_GCC_VERSION >= 4008 || defined(ENABLE_BUILD_WITH_CXX)
#warning $2 CXX
#else
#warning $1 CC
#endif
EOF
)
if [ $? -ne 0 ]
then
exit 1
fi
case "$plugincc" in
*"$1 CC"*)
echo "$1"
exit 0
;;
*"$2 CXX"*)
# the c++ compiler needs another test, see below
;;
*)
exit 1
;;
esac
# we need a c++ compiler that supports the designated initializer GNU extension
plugincc=$($2 -c -x c++ -std=gnu++98 - -fsyntax-only -I"${srctree}"/gcc-plugins -I"${gccplugins_dir}"/include 2>&1 <<EOF
#include "gcc-common.h"
class test {
public:
int test;
} test = {
.test = 1
};
EOF
)
if [ $? -eq 0 ]
then
echo "$2"
exit 0
fi
exit 1
Computing file changes ...
