Hi all,
After merging the drm-intel-fixes tree, today's linux-next build (i386
defconfig) failed like this:
In file included from include/asm-generic/barrier.h:20:0,
from arch/x86/include/asm/barrier.h:86,
from include/linux/nospec.h:8,
from drivers/gpu/drm/i915/i915_query.c:7:
drivers/gpu/drm/i915/i915_query.c: In function 'i915_query_ioctl':
include/linux/compiler.h:339:38: error: call to '__compiletime_assert_119' declared with attribute error: BUILD_BUG_ON failed: sizeof(_s) > sizeof(long)
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:69:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
include/linux/nospec.h:55:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(sizeof(_i) > sizeof(long)); \
^~~~~~~~~~~~
drivers/gpu/drm/i915/i915_query.c:118:15: note: in expansion of macro 'array_index_nospec'
func_idx = array_index_nospec(func_idx,
^~~~~~~~~~~~~~~~~~
Caused by commit
540ead8c5a0e ("drm/i915/query: Protect tainted function pointer lookup")
I have reverted that commit for today.
--
Cheers,
Stephen Rothwell
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