Messages in this thread | | | Date | Fri, 17 Jun 2022 06:57:52 +0800 | From | kernel test robot <> | Subject | [morse:mpam/snapshot/v5.18 66/146] include/linux/resctrl.h:286:20: warning: shift count >= width of type |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git mpam/snapshot/v5.18 head: bac90d25cbdee0fc233b9b1c47d5b6f44101a384 commit: 2881ac404cd937d1529d641acc4055fb14822de0 [66/146] fs/resctrl: Export the closid/rmid to user-space config: hexagon-randconfig-r041-20220616 (https://download.01.org/0day-ci/archive/20220617/202206170631.gKMr1Rch-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f0e608de27b3d568000046eebf3712ab542979d6) 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://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git/commit/?id=2881ac404cd937d1529d641acc4055fb14822de0 git remote add morse https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git git fetch --no-tags morse mpam/snapshot/v5.18 git checkout 2881ac404cd937d1529d641acc4055fb14822de0 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash fs/proc/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count >= width of type [-Wshift-count-overflow] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:35:22: note: expanded from macro '__GENMASK' (((~UL(0)) - (UL(1) << (l)) + 1) & \ ^ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count is negative [-Wshift-count-negative] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:36:11: note: expanded from macro '__GENMASK' (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) ^ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count >= width of type [-Wshift-count-overflow] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:35:22: note: expanded from macro '__GENMASK' (((~UL(0)) - (UL(1) << (l)) + 1) & \ ^ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count is negative [-Wshift-count-negative] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:36:11: note: expanded from macro '__GENMASK' (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) ^ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count >= width of type [-Wshift-count-overflow] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:35:22: note: expanded from macro '__GENMASK' (((~UL(0)) - (UL(1) << (l)) + 1) & \ ^ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count is negative [-Wshift-count-negative] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:36:11: note: expanded from macro '__GENMASK' (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) ^ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count >= width of type [-Wshift-count-overflow] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:35:22: note: expanded from macro '__GENMASK' (((~UL(0)) - (UL(1) << (l)) + 1) & \ ^ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count is negative [-Wshift-count-negative] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:36:11: note: expanded from macro '__GENMASK' (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) ^ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count >= width of type [-Wshift-count-overflow] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:35:22: note: expanded from macro '__GENMASK' (((~UL(0)) - (UL(1) << (l)) + 1) & \ ^ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count is negative [-Wshift-count-negative] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:36:11: note: expanded from macro '__GENMASK' (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) ^ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count >= width of type [-Wshift-count-overflow] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:35:22: note: expanded from macro '__GENMASK' (((~UL(0)) - (UL(1) << (l)) + 1) & \ ^ note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count is negative [-Wshift-count-negative] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:36:11: note: expanded from macro '__GENMASK' (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) ^ note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count >= width of type [-Wshift-count-overflow] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:35:22: note: expanded from macro '__GENMASK' (((~UL(0)) - (UL(1) << (l)) + 1) & \ ^ note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count is negative [-Wshift-count-negative] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:36:11: note: expanded from macro '__GENMASK' (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) ^ note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count >= width of type [-Wshift-count-overflow] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:35:22: note: expanded from macro '__GENMASK' (((~UL(0)) - (UL(1) << (l)) + 1) & \ ^ note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count is negative [-Wshift-count-negative] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:36:11: note: expanded from macro '__GENMASK' (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) ^ note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count >= width of type [-Wshift-count-overflow] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:35:22: note: expanded from macro '__GENMASK' (((~UL(0)) - (UL(1) << (l)) + 1) & \ ^ note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count is negative [-Wshift-count-negative] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:36:11: note: expanded from macro '__GENMASK' (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) ^ note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count >= width of type [-Wshift-count-overflow] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:35:22: note: expanded from macro '__GENMASK' (((~UL(0)) - (UL(1) << (l)) + 1) & \ ^ include/linux/bitfield.h:129:30: note: expanded from macro 'FIELD_GET' (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \ ^~~~~ In file included from fs/proc/base.c:97: >> include/linux/resctrl.h:286:20: warning: shift count is negative [-Wshift-count-negative] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:36:11: note: expanded from macro '__GENMASK' (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) ^ include/linux/bitfield.h:129:30: note: expanded from macro 'FIELD_GET' (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \ ^~~~~ In file included from fs/proc/base.c:97: include/linux/resctrl.h:286:20: warning: shift count >= width of type [-Wshift-count-overflow] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:35:22: note: expanded from macro '__GENMASK' (((~UL(0)) - (UL(1) << (l)) + 1) & \ ^ include/linux/bitfield.h:129:50: note: expanded from macro 'FIELD_GET' (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \ ~~~~~~~~~^~~~~~ include/linux/bitfield.h:45:38: note: expanded from macro '__bf_shf' #define __bf_shf(x) (__builtin_ffsll(x) - 1) ^ In file included from fs/proc/base.c:97: include/linux/resctrl.h:286:20: warning: shift count is negative [-Wshift-count-negative] *rmid = FIELD_GET(RESCTRL_ID_RMID, id); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/resctrl.h:40:26: note: expanded from macro 'RESCTRL_ID_RMID' #define RESCTRL_ID_RMID GENMASK(63, 32) ^ include/linux/bits.h:38:31: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ include/linux/bits.h:36:11: note: expanded from macro '__GENMASK' (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) ^ include/linux/bitfield.h:129:50: note: expanded from macro 'FIELD_GET' (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \ ~~~~~~~~~^~~~~~ include/linux/bitfield.h:45:38: note: expanded from macro '__bf_shf' #define __bf_shf(x) (__builtin_ffsll(x) - 1) ^ 22 warnings generated.
vim +286 include/linux/resctrl.h
269 270 /** 271 * __resctrl_id_decode() - unpack a known-good id that has been checked by 272 * resctrl_id_decode(). 273 * @id: The value originally passed by user-space. 274 * @closid: Returned closid. 275 * @rmid: Returned rmid. 276 * 277 * Decodes the id field with no error checking. resctrl_id_decode() must have 278 * been used to check the id produces values that are in range and are 279 * allocated at the time of first use. 280 */ 281 static inline void __resctrl_id_decode(u64 id, u32 *closid, u32 *rmid) 282 { 283 id ^= resctrl_id_obsfucation; 284 285 *closid = FIELD_GET(RESCTRL_ID_CLOSID, id); > 286 *rmid = FIELD_GET(RESCTRL_ID_RMID, id); 287 } 288
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