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Message-ID: <202203200250.vLHx5IYH-lkp@intel.com>
Date: Sun, 20 Mar 2022 03:03:09 +0800
From: kernel test robot <lkp@...el.com>
To: Sven Peter <sven@...npeter.dev>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [asahilinux:nvme-rfc 5/12] include/linux/compiler_types.h:346:45:
error: call to '__compiletime_assert_224' declared with attribute error:
FIELD_PREP: mask is zero
tree: https://github.com/AsahiLinux/linux nvme-rfc
head: 668a74289aa4cdde7d55e4f602043ece670ea71c
commit: 5f102aac51098ef778ed49811de43091e05ca895 [5/12] soc: apple: rtkit: Add RTKit IPC library
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20220320/202203200250.vLHx5IYH-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/AsahiLinux/linux/commit/5f102aac51098ef778ed49811de43091e05ca895
git remote add asahilinux https://github.com/AsahiLinux/linux
git fetch --no-tags asahilinux nvme-rfc
git checkout 5f102aac51098ef778ed49811de43091e05ca895
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash drivers/soc/apple/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
include/linux/build_bug.h:21:9: note: in expansion of macro 'BUILD_BUG_ON'
21 | BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
| ^~~~~~~~~~~~
include/linux/bitfield.h:71:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
71 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:72:56: note: in expansion of macro '__bf_shf'
72 | (1ULL << __bf_shf(_mask))); \
| ^~~~~~~~
include/linux/bitfield.h:111:17: note: in expansion of macro '__BF_FIELD_CHECK'
111 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/soc/apple/rtkit.c:581:15: note: in expansion of macro 'FIELD_PREP'
581 | msg = FIELD_PREP(APPLE_RTKIT_MGMT_STARTEP_EP, endpoint);
| ^~~~~~~~~~
include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^~~~~~~~~
drivers/soc/apple/rtkit.c:52:39: note: in expansion of macro 'GENMASK'
52 | #define APPLE_RTKIT_MGMT_STARTEP_EP GENMASK(39, 32)
| ^~~~~~~
drivers/soc/apple/rtkit.c:581:26: note: in expansion of macro 'APPLE_RTKIT_MGMT_STARTEP_EP'
581 | msg = FIELD_PREP(APPLE_RTKIT_MGMT_STARTEP_EP, endpoint);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/soc/apple/rtkit-internal.h:5,
from drivers/soc/apple/rtkit.c:9:
include/linux/bits.h:35:29: warning: left shift count >= width of type [-Wshift-count-overflow]
35 | (((~UL(0)) - (UL(1) << (l)) + 1) & \
| ^~
include/linux/bitfield.h:42:38: note: in definition of macro '__bf_shf'
42 | #define __bf_shf(x) (__builtin_ffsll(x) - 1)
| ^
drivers/soc/apple/rtkit.c:581:15: note: in expansion of macro 'FIELD_PREP'
581 | msg = FIELD_PREP(APPLE_RTKIT_MGMT_STARTEP_EP, endpoint);
| ^~~~~~~~~~
include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^~~~~~~~~
drivers/soc/apple/rtkit.c:52:39: note: in expansion of macro 'GENMASK'
52 | #define APPLE_RTKIT_MGMT_STARTEP_EP GENMASK(39, 32)
| ^~~~~~~
drivers/soc/apple/rtkit.c:581:26: note: in expansion of macro 'APPLE_RTKIT_MGMT_STARTEP_EP'
581 | msg = FIELD_PREP(APPLE_RTKIT_MGMT_STARTEP_EP, endpoint);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bits.h:36:18: warning: right shift count is negative [-Wshift-count-negative]
36 | (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
| ^~
include/linux/bitfield.h:42:38: note: in definition of macro '__bf_shf'
42 | #define __bf_shf(x) (__builtin_ffsll(x) - 1)
| ^
drivers/soc/apple/rtkit.c:581:15: note: in expansion of macro 'FIELD_PREP'
581 | msg = FIELD_PREP(APPLE_RTKIT_MGMT_STARTEP_EP, endpoint);
| ^~~~~~~~~~
include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^~~~~~~~~
drivers/soc/apple/rtkit.c:52:39: note: in expansion of macro 'GENMASK'
52 | #define APPLE_RTKIT_MGMT_STARTEP_EP GENMASK(39, 32)
| ^~~~~~~
drivers/soc/apple/rtkit.c:581:26: note: in expansion of macro 'APPLE_RTKIT_MGMT_STARTEP_EP'
581 | msg = FIELD_PREP(APPLE_RTKIT_MGMT_STARTEP_EP, endpoint);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bits.h:35:29: warning: left shift count >= width of type [-Wshift-count-overflow]
35 | (((~UL(0)) - (UL(1) << (l)) + 1) & \
| ^~
include/linux/bitfield.h:112:63: note: in definition of macro 'FIELD_PREP'
112 | ((typeof(_mask))(_val) << __bf_shf(_mask)) & (_mask); \
| ^~~~~
include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^~~~~~~~~
drivers/soc/apple/rtkit.c:52:39: note: in expansion of macro 'GENMASK'
52 | #define APPLE_RTKIT_MGMT_STARTEP_EP GENMASK(39, 32)
| ^~~~~~~
drivers/soc/apple/rtkit.c:581:26: note: in expansion of macro 'APPLE_RTKIT_MGMT_STARTEP_EP'
581 | msg = FIELD_PREP(APPLE_RTKIT_MGMT_STARTEP_EP, endpoint);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bits.h:36:18: warning: right shift count is negative [-Wshift-count-negative]
36 | (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
| ^~
include/linux/bitfield.h:112:63: note: in definition of macro 'FIELD_PREP'
112 | ((typeof(_mask))(_val) << __bf_shf(_mask)) & (_mask); \
| ^~~~~
include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^~~~~~~~~
drivers/soc/apple/rtkit.c:52:39: note: in expansion of macro 'GENMASK'
52 | #define APPLE_RTKIT_MGMT_STARTEP_EP GENMASK(39, 32)
| ^~~~~~~
drivers/soc/apple/rtkit.c:581:26: note: in expansion of macro 'APPLE_RTKIT_MGMT_STARTEP_EP'
581 | msg = FIELD_PREP(APPLE_RTKIT_MGMT_STARTEP_EP, endpoint);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from <command-line>:
In function 'apple_rtkit_management_send',
inlined from 'apple_rtkit_set_ap_power_state' at drivers/soc/apple/rtkit.c:686:2,
inlined from 'apple_rtkit_hibernate' at drivers/soc/apple/rtkit.c:766:8:
>> include/linux/compiler_types.h:346:45: error: call to '__compiletime_assert_224' declared with attribute error: FIELD_PREP: mask is zero
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:327:25: note: in definition of macro '__compiletime_assert'
327 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:346:9: note: in expansion of macro '_compiletime_assert'
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:64:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
64 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:111:17: note: in expansion of macro '__BF_FIELD_CHECK'
111 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/soc/apple/rtkit.c:100:16: note: in expansion of macro 'FIELD_PREP'
100 | msg |= FIELD_PREP(APPLE_RTKIT_MGMT_TYPE, type);
| ^~~~~~~~~~
drivers/soc/apple/rtkit.c: In function 'apple_rtkit_shutdown':
>> include/linux/compiler_types.h:346:45: error: call to '__compiletime_assert_224' declared with attribute error: FIELD_PREP: mask is zero
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:327:25: note: in definition of macro '__compiletime_assert'
327 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:346:9: note: in expansion of macro '_compiletime_assert'
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:64:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
64 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:111:17: note: in expansion of macro '__BF_FIELD_CHECK'
111 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/soc/apple/rtkit.c:100:16: note: in expansion of macro 'FIELD_PREP'
100 | msg |= FIELD_PREP(APPLE_RTKIT_MGMT_TYPE, type);
| ^~~~~~~~~~
In function 'apple_rtkit_management_rx',
inlined from 'apple_rtkit_rx' at drivers/soc/apple/rtkit.c:459:3,
inlined from 'apple_rtkit_worker' at drivers/soc/apple/rtkit.c:526:5:
>> include/linux/compiler_types.h:346:45: error: call to '__compiletime_assert_282' declared with attribute error: FIELD_GET: mask is zero
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:327:25: note: in definition of macro '__compiletime_assert'
327 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:346:9: note: in expansion of macro '_compiletime_assert'
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:64:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
64 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:125:17: note: in expansion of macro '__BF_FIELD_CHECK'
125 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/soc/apple/rtkit.c:214:19: note: in expansion of macro 'FIELD_GET'
214 | u8 type = FIELD_GET(APPLE_RTKIT_MGMT_TYPE, msg);
| ^~~~~~~~~
In function 'apple_rtkit_crashlog_rx',
inlined from 'apple_rtkit_rx' at drivers/soc/apple/rtkit.c:462:3,
inlined from 'apple_rtkit_worker' at drivers/soc/apple/rtkit.c:526:5:
include/linux/compiler_types.h:346:45: error: call to '__compiletime_assert_313' declared with attribute error: FIELD_GET: mask is zero
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:327:25: note: in definition of macro '__compiletime_assert'
327 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:346:9: note: in expansion of macro '_compiletime_assert'
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:64:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
64 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:125:17: note: in expansion of macro '__BF_FIELD_CHECK'
125 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/soc/apple/rtkit.c:306:19: note: in expansion of macro 'FIELD_GET'
306 | u8 type = FIELD_GET(APPLE_RTKIT_SYSLOG_TYPE, msg);
| ^~~~~~~~~
In function 'apple_rtkit_syslog_rx',
inlined from 'apple_rtkit_rx' at drivers/soc/apple/rtkit.c:465:3,
inlined from 'apple_rtkit_worker' at drivers/soc/apple/rtkit.c:526:5:
include/linux/compiler_types.h:346:45: error: call to '__compiletime_assert_334' declared with attribute error: FIELD_GET: mask is zero
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:327:25: note: in definition of macro '__compiletime_assert'
327 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:346:9: note: in expansion of macro '_compiletime_assert'
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:64:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
64 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:125:17: note: in expansion of macro '__BF_FIELD_CHECK'
125 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/soc/apple/rtkit.c:409:19: note: in expansion of macro 'FIELD_GET'
409 | u8 type = FIELD_GET(APPLE_RTKIT_SYSLOG_TYPE, msg);
| ^~~~~~~~~
In function 'apple_rtkit_ioreport_rx',
inlined from 'apple_rtkit_rx' at drivers/soc/apple/rtkit.c:468:3,
inlined from 'apple_rtkit_worker' at drivers/soc/apple/rtkit.c:526:5:
include/linux/compiler_types.h:346:45: error: call to '__compiletime_assert_318' declared with attribute error: FIELD_GET: mask is zero
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:327:25: note: in definition of macro '__compiletime_assert'
327 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:346:9: note: in expansion of macro '_compiletime_assert'
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:64:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
64 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:125:17: note: in expansion of macro '__BF_FIELD_CHECK'
125 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/soc/apple/rtkit.c:344:19: note: in expansion of macro 'FIELD_GET'
344 | u8 type = FIELD_GET(APPLE_RTKIT_SYSLOG_TYPE, msg);
| ^~~~~~~~~
In function 'apple_rtkit_oslog_rx',
inlined from 'apple_rtkit_rx' at drivers/soc/apple/rtkit.c:471:3,
inlined from 'apple_rtkit_worker' at drivers/soc/apple/rtkit.c:526:5:
include/linux/compiler_types.h:346:45: error: call to '__compiletime_assert_345' declared with attribute error: FIELD_GET: mask is zero
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:327:25: note: in definition of macro '__compiletime_assert'
327 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:346:9: note: in expansion of macro '_compiletime_assert'
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:64:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
64 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:125:17: note: in expansion of macro '__BF_FIELD_CHECK'
125 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/soc/apple/rtkit.c:439:19: note: in expansion of macro 'FIELD_GET'
439 | u8 type = FIELD_GET(APPLE_RTKIT_OSLOG_TYPE, msg);
| ^~~~~~~~~
In function 'apple_rtkit_management_send',
inlined from 'apple_rtkit_wake' at drivers/soc/apple/rtkit.c:801:2:
>> include/linux/compiler_types.h:346:45: error: call to '__compiletime_assert_224' declared with attribute error: FIELD_PREP: mask is zero
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:327:25: note: in definition of macro '__compiletime_assert'
327 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:346:9: note: in expansion of macro '_compiletime_assert'
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:64:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
64 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:111:17: note: in expansion of macro '__BF_FIELD_CHECK'
111 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/soc/apple/rtkit.c:100:16: note: in expansion of macro 'FIELD_PREP'
100 | msg |= FIELD_PREP(APPLE_RTKIT_MGMT_TYPE, type);
| ^~~~~~~~~~
drivers/soc/apple/rtkit.c: In function 'apple_rtkit_start_ep':
include/linux/compiler_types.h:346:45: error: call to '__compiletime_assert_350' declared with attribute error: FIELD_PREP: mask is zero
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:327:25: note: in definition of macro '__compiletime_assert'
327 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:346:9: note: in expansion of macro '_compiletime_assert'
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:64:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
64 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:111:17: note: in expansion of macro '__BF_FIELD_CHECK'
111 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/soc/apple/rtkit.c:581:15: note: in expansion of macro 'FIELD_PREP'
581 | msg = FIELD_PREP(APPLE_RTKIT_MGMT_STARTEP_EP, endpoint);
| ^~~~~~~~~~
In function 'apple_rtkit_management_send',
inlined from 'apple_rtkit_set_ap_power_state' at drivers/soc/apple/rtkit.c:686:2,
inlined from 'apple_rtkit_boot' at drivers/soc/apple/rtkit.c:740:9:
>> include/linux/compiler_types.h:346:45: error: call to '__compiletime_assert_224' declared with attribute error: FIELD_PREP: mask is zero
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:327:25: note: in definition of macro '__compiletime_assert'
327 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:346:9: note: in expansion of macro '_compiletime_assert'
346 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:64:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
64 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:111:17: note: in expansion of macro '__BF_FIELD_CHECK'
111 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/soc/apple/rtkit.c:100:16: note: in expansion of macro 'FIELD_PREP'
100 | msg |= FIELD_PREP(APPLE_RTKIT_MGMT_TYPE, type);
| ^~~~~~~~~~
vim +/__compiletime_assert_224 +346 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 332
eb5c2d4b45e3d2 Will Deacon 2020-07-21 333 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 334 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 335
eb5c2d4b45e3d2 Will Deacon 2020-07-21 336 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 337 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 338 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 339 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 340 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 341 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 342 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 343 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 344 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 345 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @346 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 347
:::::: The code at line 346 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
:::::: TO: Will Deacon <will@...nel.org>
:::::: CC: Will Deacon <will@...nel.org>
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