tree: git://anongit.freedesktop.org/drm-intel for-linux-next head: bea4e4a4f831df1c104be60b3caa7205ba1bb4f9 commit: 1d1a9774e40414148ecebbdb713746bfb6f9a561 [4/5] drm/i915: Extend intel_wait_for_register_fw() with fast timeout config: x86_64-randconfig-h0-04080942 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: git checkout 1d1a9774e40414148ecebbdb713746bfb6f9a561 # save the attached .config to linux build tree make ARCH=x86_64

All error/warnings (new ones prefixed by >>):

In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/uapi/drm/drm.h:41, from include/uapi/drm/i915_drm.h:30, from drivers/gpu/drm/i915/i915_drv.h:33, from drivers/gpu/drm/i915/intel_uncore.c:24: drivers/gpu/drm/i915/intel_uncore.c: In function '__intel_wait_for_register_fw':

...

include/linux/compiler.h:529:38: error: call to '__compiletime_assert_1626' declared with attribute error: BUILD_BUG_ON failed: (fast_timeout_us) > 50000

_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:512:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^ include/linux/compiler.h:529:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/bug.h:54:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^ include/linux/bug.h:78:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^

...

drivers/gpu/drm/i915/intel_drv.h:91:2: note: in expansion of macro 'BUILD_BUG_ON'

BUILD_BUG_ON((US) > 50000); \ ^

...

drivers/gpu/drm/i915/intel_uncore.c:1626:9: note: in expansion of macro '_wait_for_atomic'

ret = _wait_for_atomic(done, fast_timeout_us, 0); ^

vim +/__compiletime_assert_1626 +529 include/linux/compiler.h

9a8ab1c3 Daniel Santos 2013-02-21 523 * 9a8ab1c3 Daniel Santos 2013-02-21 524 * In tradition of POSIX assert, this macro will break the build if the 9a8ab1c3 Daniel Santos 2013-02-21 525 * supplied condition is *false*, emitting the supplied error message if the 9a8ab1c3 Daniel Santos 2013-02-21 526 * compiler has support to do so. 9a8ab1c3 Daniel Santos 2013-02-21 527 */ 9a8ab1c3 Daniel Santos 2013-02-21 528 #define compiletime_assert(condition, msg) \ 9a8ab1c3 Daniel Santos 2013-02-21 @529 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) 9a8ab1c3 Daniel Santos 2013-02-21 530 47933ad4 Peter Zijlstra 2013-11-06 531 #define compiletime_assert_atomic_type(t) \ 47933ad4 Peter Zijlstra 2013-11-06 532 compiletime_assert(__native_word(t), \

:::::: The code at line 529 was first introduced by commit :::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG

:::::: TO: Daniel Santos daniel.santos@pobox.com :::::: CC: Linus Torvalds torvalds@linux-foundation.org

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