From: kernel test robot <lkp@intel.com>
To: "Gautham R. Shenoy" <gautham.shenoy@amd.com>,
Mario Limonciello <mario.limonciello@amd.com>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
K Prateek Nayak <kprateek.nayak@amd.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org,
"Gautham R. Shenoy" <gautham.shenoy@amd.com>
Subject: Re: [PATCH 5/9] amd-pstate: Add support for CPPC_REQ2 and FLOOR_PERF
Date: Fri, 6 Mar 2026 18:54:59 +0100 [thread overview]
Message-ID: <202603061846.lCieImRU-lkp@intel.com> (raw)
In-Reply-To: <20260306095753.17155-6-gautham.shenoy@amd.com>
Hi Gautham,
kernel test robot noticed the following build warnings:
[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on rafael-pm/bleeding-edge tip/x86/core amd-pstate/linux-next amd-pstate/bleeding-edge linus/master v7.0-rc2 next-20260306]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Gautham-R-Shenoy/amd-pstate-Fix-memory-leak-in-amd_pstate_epp_cpu_init/20260306-180651
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link: https://lore.kernel.org/r/20260306095753.17155-6-gautham.shenoy%40amd.com
patch subject: [PATCH 5/9] amd-pstate: Add support for CPPC_REQ2 and FLOOR_PERF
config: i386-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260306/202603061846.lCieImRU-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260306/202603061846.lCieImRU-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603061846.lCieImRU-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from ./arch/x86/include/generated/asm/rwonce.h:1,
from ./include/linux/compiler.h:372,
from ./include/linux/build_bug.h:5,
from ./include/linux/bitfield.h:10,
from drivers/cpufreq/amd-pstate.c:25:
drivers/cpufreq/amd-pstate.c: In function 'msr_init_perf':
>> ./include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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:79:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
79 | BUILD_BUG_ON_MSG(__bf_cast_unsigned(mask, mask) > \
| ^~~~~~~~~~~~~~~~
./include/linux/bitfield.h:79:26: note: in expansion of macro '__bf_cast_unsigned'
79 | BUILD_BUG_ON_MSG(__bf_cast_unsigned(mask, mask) > \
| ^~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:177:17: note: in expansion of macro '__BF_FIELD_CHECK_REG'
177 | __BF_FIELD_CHECK_REG(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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:79:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
79 | BUILD_BUG_ON_MSG(__bf_cast_unsigned(mask, mask) > \
| ^~~~~~~~~~~~~~~~
./include/linux/bitfield.h:79:26: note: in expansion of macro '__bf_cast_unsigned'
79 | BUILD_BUG_ON_MSG(__bf_cast_unsigned(mask, mask) > \
| ^~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:177:17: note: in expansion of macro '__BF_FIELD_CHECK_REG'
177 | __BF_FIELD_CHECK_REG(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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:67:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
67 | BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask), \
| ^~~~~~~~~~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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:67:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
67 | BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask), \
| ^~~~~~~~~~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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:69:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
69 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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:69:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
69 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \
| ^~~~~~~~~~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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:70:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
70 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
| ^~~~~~~~~~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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:70:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
70 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
| ^~~~~~~~~~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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:70:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
70 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
| ^~~~~~~~~~~~~~~~
./include/linux/bitfield.h:71:47: note: in expansion of macro '__bf_shf'
71 | ~((_mask) >> __bf_shf(_mask)) & \
| ^~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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:70:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
70 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
| ^~~~~~~~~~~~~~~~
./include/linux/bitfield.h:71:47: note: in expansion of macro '__bf_shf'
71 | ~((_mask) >> __bf_shf(_mask)) & \
| ^~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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/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:74:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
74 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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/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:74:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
74 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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/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:74:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
74 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:75:56: note: in expansion of macro '__bf_shf'
75 | (1ULL << __bf_shf(_mask))); \
| ^~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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/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:74:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
74 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:75:56: note: in expansion of macro '__bf_shf'
75 | (1ULL << __bf_shf(_mask))); \
| ^~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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/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:74:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
74 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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/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:74:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
74 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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/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:74:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
74 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:75:56: note: in expansion of macro '__bf_shf'
75 | (1ULL << __bf_shf(_mask))); \
| ^~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
././include/linux/compiler_types.h:694:9: note: in expansion of macro '__compiletime_assert'
694 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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/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:74:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
74 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:75:56: note: in expansion of macro '__bf_shf'
75 | (1ULL << __bf_shf(_mask))); \
| ^~~~~~~~
./include/linux/bitfield.h:97:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
97 | __BF_FIELD_CHECK_MASK(mask, 0U, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/bits.h:48:27: warning: left shift count >= width of type [-Wshift-count-overflow]
48 | (type_max(t) << (l) & \
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
./include/linux/bitfield.h:98:52: note: in expansion of macro '__bf_shf'
98 | (typeof(mask))(((reg) & (mask)) >> __bf_shf(mask)); \
| ^~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/bits.h:49:27: warning: right shift count >= width of type [-Wshift-count-overflow]
49 | type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
| ^~
./include/asm-generic/rwonce.h:55:40: note: in definition of macro '__WRITE_ONCE'
55 | *(volatile typeof(x) *)&(x) = (val); \
| ^~~
drivers/cpufreq/amd-pstate.c:497:9: note: in expansion of macro 'WRITE_ONCE'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~
./include/linux/bitfield.h:98:52: note: in expansion of macro '__bf_shf'
98 | (typeof(mask))(((reg) & (mask)) >> __bf_shf(mask)); \
| ^~~~~~~~
./include/linux/bitfield.h:178:17: note: in expansion of macro '__FIELD_GET'
178 | __FIELD_GET(_mask, _reg, "FIELD_GET: "); \
| ^~~~~~~~~~~
drivers/cpufreq/amd-pstate.c:497:45: note: in expansion of macro 'FIELD_GET'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~
./include/linux/bits.h:51:33: note: in expansion of macro 'GENMASK_TYPE'
51 | #define GENMASK(h, l) GENMASK_TYPE(unsigned long, h, l)
| ^~~~~~~~~~~~
./arch/x86/include/asm/msr-index.h:772:41: note: in expansion of macro 'GENMASK'
772 | #define AMD_CPPC_FLOOR_PERF_CNT_MASK GENMASK(39, 32)
| ^~~~~~~
drivers/cpufreq/amd-pstate.c:497:55: note: in expansion of macro 'AMD_CPPC_FLOOR_PERF_CNT_MASK'
497 | WRITE_ONCE(cpudata->floor_perf_cnt, FIELD_GET(AMD_CPPC_FLOOR_PERF_CNT_MASK, cap1));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +48 ./include/linux/bits.h
31299a5e021124 Vincent Mailhol 2025-03-26 35
19408200c09485 Vincent Mailhol 2025-03-26 36 /*
19408200c09485 Vincent Mailhol 2025-03-26 37 * Generate a mask for the specified type @t. Additional checks are made to
19408200c09485 Vincent Mailhol 2025-03-26 38 * guarantee the value returned fits in that type, relying on
19408200c09485 Vincent Mailhol 2025-03-26 39 * -Wshift-count-overflow compiler check to detect incompatible arguments.
19408200c09485 Vincent Mailhol 2025-03-26 40 * For example, all these create build errors or warnings:
19408200c09485 Vincent Mailhol 2025-03-26 41 *
19408200c09485 Vincent Mailhol 2025-03-26 42 * - GENMASK(15, 20): wrong argument order
19408200c09485 Vincent Mailhol 2025-03-26 43 * - GENMASK(72, 15): doesn't fit unsigned long
19408200c09485 Vincent Mailhol 2025-03-26 44 * - GENMASK_U32(33, 15): doesn't fit in a u32
19408200c09485 Vincent Mailhol 2025-03-26 45 */
19408200c09485 Vincent Mailhol 2025-03-26 46 #define GENMASK_TYPE(t, h, l) \
19408200c09485 Vincent Mailhol 2025-03-26 47 ((t)(GENMASK_INPUT_CHECK(h, l) + \
19408200c09485 Vincent Mailhol 2025-03-26 @48 (type_max(t) << (l) & \
19408200c09485 Vincent Mailhol 2025-03-26 49 type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h)))))
19408200c09485 Vincent Mailhol 2025-03-26 50
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2026-03-06 17:56 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-06 9:57 [PATCH 0/9] amd-pstate: Introduce AMD CPPC Performance Priority Gautham R. Shenoy
2026-03-06 9:57 ` [PATCH 1/9] amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init() Gautham R. Shenoy
2026-03-07 2:29 ` Mario Limonciello (AMD) (kernel.org)
2026-03-06 9:57 ` [PATCH 2/9] amd-pstate: Update cppc_req_cached in fast_switch case Gautham R. Shenoy
2026-03-06 9:57 ` [PATCH 3/9] amd-pstate: Make certain freq_attrs conditionally visible Gautham R. Shenoy
2026-03-06 9:57 ` [PATCH 4/9] x86/cpufeatures: Add AMD CPPC Performance Priority feature Gautham R. Shenoy
2026-03-06 10:45 ` Borislav Petkov
2026-03-06 9:57 ` [PATCH 5/9] amd-pstate: Add support for CPPC_REQ2 and FLOOR_PERF Gautham R. Shenoy
2026-03-06 17:54 ` kernel test robot [this message]
2026-03-06 20:22 ` kernel test robot
2026-03-07 0:08 ` kernel test robot
2026-03-06 9:57 ` [PATCH 6/9] amd-pstate: Add sysfs support for floor_freq and floor_count Gautham R. Shenoy
2026-03-06 9:57 ` [PATCH 7/9] amd-pstate: Introduce a tracepoint trace_amd_pstate_cppc_req2() Gautham R. Shenoy
2026-03-06 9:57 ` [PATCH 8/9] Documentation/amd-pstate: List prefcore related sysfs files Gautham R. Shenoy
2026-03-06 9:57 ` [PATCH 9/9] Documentation/amd-pstate: Add documentation for amd_pstate_floor_{freq,count} Gautham R. Shenoy
2026-03-10 3:45 ` K Prateek Nayak
2026-03-11 10:32 ` Gautham R. Shenoy
2026-03-10 3:38 ` [PATCH 0/9] amd-pstate: Introduce AMD CPPC Performance Priority K Prateek Nayak
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