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Message-ID: <202601221237.soiAkwkN-lkp@intel.com>
Date: Thu, 22 Jan 2026 12:41:22 +0800
From: kernel test robot <lkp@...el.com>
To: david.laight.linux@...il.com, Nathan Chancellor <nathan@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Thomas Gleixner <tglx@...utronix.de>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Arnd Bergmann <arnd@...db.de>, linux-arch@...r.kernel.org,
linux-kernel@...r.kernel.org, Yury Norov <yury.norov@...il.com>,
Jani Nikula <jani.nikula@...el.com>,
Vincent Mailhol <mailhol.vincent@...adoo.fr>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Kees Cook <keescook@...omium.org>,
Andrew Morton <akpm@...ux-foundation.org>
Cc: oe-kbuild-all@...ts.linux.dev,
Linux Memory Management List <linux-mm@...ck.org>,
David Laight <david.laight.linux@...il.com>
Subject: Re: [PATCH next 11/14] bit: Strengthen compile-time tests in
GENMASK() and BIT()
Hi,
kernel test robot noticed the following build warnings:
[auto build test WARNING on next-20260120]
url: https://github.com/intel-lab-lkp/linux/commits/david-laight-linux-gmail-com/overflow-Reduce-expansion-of-__type_max/20260122-013456
base: next-20260120
patch link: https://lore.kernel.org/r/20260121145731.3623-12-david.laight.linux%40gmail.com
patch subject: [PATCH next 11/14] bit: Strengthen compile-time tests in GENMASK() and BIT()
config: mips-randconfig-r132-20260122 (https://download.01.org/0day-ci/archive/20260122/202601221237.soiAkwkN-lkp@intel.com/config)
compiler: mips64-linux-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260122/202601221237.soiAkwkN-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601221237.soiAkwkN-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/kthread.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
kernel/reboot.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
lib/idr.c: note: in included file (through include/linux/bitmap.h):
include/linux/find.h:188:32: sparse: sparse: Variable length array is used.
include/linux/find.h:388:46: sparse: sparse: Variable length array is used.
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
lib/xarray.c: note: in included file (through include/linux/bitmap.h):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
lib/xarray.c: note: in included file:
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
lib/xarray.c: note: in included file (through include/linux/bitmap.h):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
lib/find_bit.c: note: in included file (through include/linux/bitmap.h):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
include/linux/find.h:238:46: sparse: sparse: Variable length array is used.
--
lib/bitmap-str.c: note: in included file:
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
lib/bitmap-str.c: note: in included file (through include/linux/bitmap.h):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
--
lib/genalloc.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
--
mm/oom_kill.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
mm/vmscan.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
mm/shmem.c: note: in included file (through include/linux/cpumask.h, include/linux/smp.h, arch/mips/include/asm/cpu-type.h, ...):
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
--
mm/percpu.c: note: in included file (through include/linux/bitmap.h):
include/linux/find.h:409:45: sparse: sparse: Variable length array is used.
include/linux/find.h:188:32: sparse: sparse: Variable length array is used.
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
mm/percpu.c: note: in included file:
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
--
mm/vmalloc.c: note: in included file (through arch/mips/include/asm/page.h, include/linux/shm.h, include/linux/sched.h, ...):
include/asm-generic/memory_model.h:30:23: sparse: sparse: unsigned value that used to be signed checked against zero?
mm/vmalloc.c:554:21: sparse: signed value source
mm/vmalloc.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
mm/vmalloc.c: note: in included file (through include/linux/cpumask.h, arch/mips/include/asm/processor.h, arch/mips/include/asm/thread_info.h, ...):
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
mm/vmalloc.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
include/linux/find.h:188:32: sparse: sparse: Variable length array is used.
--
mm/slub.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
mm/hugetlb.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
mm/huge_memory.c: note: in included file (through include/linux/cpumask.h, arch/mips/include/asm/processor.h, arch/mips/include/asm/thread_info.h, ...):
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
--
>> arch/mips/kernel/cmpxchg.c:20:16: sparse: sparse: Variable length array is used.
arch/mips/kernel/cmpxchg.c:61:16: sparse: sparse: Variable length array is used.
--
>> arch/mips/kernel/cpu-probe.c:709:41: sparse: sparse: Variable length array is used.
arch/mips/kernel/cpu-probe.c:712:45: sparse: sparse: Variable length array is used.
arch/mips/kernel/cpu-probe.c:214:9: sparse: sparse: cast truncates bits from constant value (3fffffffffffe000 becomes ffffe000)
arch/mips/kernel/cpu-probe.c:214:9: sparse: sparse: cast truncates bits from constant value (3fffffffffffe000 becomes ffffe000)
--
>> arch/mips/mm/tlb-r4k.c:536:20: sparse: sparse: Variable length array is used.
--
net/ethtool/ioctl.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, include/linux/smp.h, ...):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
net/ethtool/bitset.c: note: in included file (through include/linux/ethtool.h, include/uapi/linux/ethtool_netlink.h, include/linux/ethtool_netlink.h):
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
--
net/ethtool/linkmodes.c: note: in included file (through include/linux/bitmap.h, include/linux/ethtool.h, include/uapi/linux/ethtool_netlink.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
net/ethtool/fec.c: note: in included file (through include/linux/bitmap.h, include/linux/ethtool.h, include/uapi/linux/ethtool_netlink.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
>> drivers/clk/clk-multiplier.c:48:16: sparse: sparse: Variable length array is used.
drivers/clk/clk-multiplier.c:141:17: sparse: sparse: Variable length array is used.
--
>> drivers/clk/clk-fractional-divider.c:89:17: sparse: sparse: Variable length array is used.
drivers/clk/clk-fractional-divider.c:90:17: sparse: sparse: Variable length array is used.
drivers/clk/clk-fractional-divider.c:146:25: sparse: sparse: Variable length array is used.
drivers/clk/clk-fractional-divider.c:147:25: sparse: sparse: Variable length array is used.
drivers/clk/clk-fractional-divider.c:195:25: sparse: sparse: Variable length array is used.
drivers/clk/clk-fractional-divider.c:196:25: sparse: sparse: Variable length array is used.
drivers/clk/clk-fractional-divider.c:205:17: sparse: sparse: Variable length array is used.
drivers/clk/clk-fractional-divider.c:206:17: sparse: sparse: Variable length array is used.
--
>> drivers/clocksource/mmio.c:66:27: sparse: sparse: Variable length array is used.
--
>> drivers/clocksource/timer-cadence-ttc.c:364:26: sparse: sparse: Variable length array is used.
--
>> drivers/clocksource/ingenic-timer.c:298:34: sparse: sparse: Variable length array is used.
drivers/clocksource/ingenic-timer.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
include/linux/find.h:188:32: sparse: sparse: Variable length array is used.
--
>> drivers/base/regmap/regmap.c:1221:26: sparse: sparse: Variable length array is used.
--
drivers/base/regmap/regcache-rbtree.c: note: in included file (through include/linux/cpumask.h, include/linux/smp.h, arch/mips/include/asm/cpu-type.h, ...):
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
--
drivers/base/regmap/regcache-flat.c: note: in included file:
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
--
drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c: note: in included file (through include/linux/cpumask.h, arch/mips/include/asm/processor.h, arch/mips/include/asm/thread_info.h, ...):
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c: note: in included file (through include/linux/cpumask.h, arch/mips/include/asm/processor.h, arch/mips/include/asm/thread_info.h, ...):
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
--
>> drivers/clk/actions/owl-mux.c:42:17: sparse: sparse: Variable length array is used.
--
>> drivers/clk/actions/owl-divider.c:76:17: sparse: sparse: Variable length array is used.
--
drivers/gpio/gpiolib.c: note: in included file (through include/linux/cpumask.h, arch/mips/include/asm/processor.h, arch/mips/include/asm/thread_info.h, ...):
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
drivers/gpio/gpiolib.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
include/linux/find.h:388:46: sparse: sparse: Variable length array is used.
include/linux/find.h:188:32: sparse: sparse: Variable length array is used.
drivers/gpio/gpiolib.c: note: in included file (through include/linux/cpumask.h, arch/mips/include/asm/processor.h, arch/mips/include/asm/thread_info.h, ...):
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
--
>> drivers/gpio/gpio-nomadik.c:285:30: sparse: sparse: Variable length array is used.
drivers/gpio/gpio-nomadik.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
--
kernel/sched/build_utility.c: note: in included file:
kernel/sched/debug.c:624:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/debug.c:624:17: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/debug.c:624:17: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/debug.c:952:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/debug.c:952:9: sparse: expected struct task_struct *tsk
kernel/sched/debug.c:952:9: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/debug.c:952:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/debug.c:952:9: sparse: expected struct task_struct *tsk
kernel/sched/debug.c:952:9: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/build_utility.c: note: in included file:
kernel/sched/topology.c:115:56: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:115:56: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:115:56: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:134:60: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:134:60: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:134:60: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:157:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:157:20: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:157:20: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:468:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct perf_domain *pd @@ got struct perf_domain [noderef] __rcu *pd @@
kernel/sched/topology.c:468:19: sparse: expected struct perf_domain *pd
kernel/sched/topology.c:468:19: sparse: got struct perf_domain [noderef] __rcu *pd
kernel/sched/topology.c:638:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:638:49: sparse: expected struct sched_domain *parent
kernel/sched/topology.c:638:49: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:723:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:723:50: sparse: expected struct sched_domain *parent
kernel/sched/topology.c:723:50: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:731:55: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *[noderef] __rcu child @@ got struct sched_domain *[assigned] tmp @@
kernel/sched/topology.c:731:55: sparse: expected struct sched_domain [noderef] __rcu *[noderef] __rcu child
kernel/sched/topology.c:731:55: sparse: got struct sched_domain *[assigned] tmp
kernel/sched/topology.c:744:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:744:29: sparse: expected struct sched_domain *[assigned] tmp
kernel/sched/topology.c:744:29: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:749:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:749:20: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:749:20: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:770:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *sd @@
kernel/sched/topology.c:770:13: sparse: expected struct sched_domain *[assigned] tmp
kernel/sched/topology.c:770:13: sparse: got struct sched_domain [noderef] __rcu *sd
kernel/sched/topology.c:932:70: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:932:70: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:932:70: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:961:59: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:961:59: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:961:59: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1007:57: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1007:57: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:1007:57: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1009:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1009:25: sparse: expected struct sched_domain *sibling
kernel/sched/topology.c:1009:25: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1017:55: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1017:55: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:1017:55: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1019:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1019:25: sparse: expected struct sched_domain *sibling
kernel/sched/topology.c:1019:25: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1089:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1089:62: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:1089:62: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1193:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1193:40: sparse: expected struct sched_domain *child
kernel/sched/topology.c:1193:40: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1331:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:1331:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/topology.c:1331:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:1680:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain [noderef] __rcu *child @@ got struct sched_domain *child @@
kernel/sched/topology.c:1680:43: sparse: expected struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1680:43: sparse: got struct sched_domain *child
kernel/sched/topology.c:2470:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *parent @@ got struct sched_domain *sd @@
kernel/sched/topology.c:2470:31: sparse: expected struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:2470:31: sparse: got struct sched_domain *sd
kernel/sched/topology.c:2591:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:2591:57: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/topology.c:2591:57: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:2612:56: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:2612:56: sparse: expected struct sched_domain *child
kernel/sched/topology.c:2612:56: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:2611:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:2611:57: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/topology.c:2611:57: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:2666:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:2666:57: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/topology.c:2666:57: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/build_utility.c: note: in included file:
kernel/sched/build_utility.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, include/linux/smp.h, ...):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
kernel/sched/build_utility.c: note: in included file:
kernel/sched/sched.h:2360:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2360:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2360:25: sparse: struct task_struct *
--
>> drivers/clk/ingenic/cgu.c:95:42: sparse: sparse: Variable length array is used.
drivers/clk/ingenic/cgu.c:97:42: sparse: sparse: Variable length array is used.
drivers/clk/ingenic/cgu.c:102:27: sparse: sparse: Variable length array is used.
drivers/clk/ingenic/cgu.c:224:18: sparse: sparse: Variable length array is used.
drivers/clk/ingenic/cgu.c:227:18: sparse: sparse: Variable length array is used.
drivers/clk/ingenic/cgu.c:231:26: sparse: sparse: Variable length array is used.
drivers/clk/ingenic/cgu.c:345:26: sparse: sparse: Variable length array is used.
drivers/clk/ingenic/cgu.c:389:24: sparse: sparse: Variable length array is used.
drivers/clk/ingenic/cgu.c:423:31: sparse: sparse: Variable length array is used.
drivers/clk/ingenic/cgu.c:553:24: sparse: sparse: Variable length array is used.
--
kernel/irq/chip.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
kernel/irq/irq_sim.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
--
drivers/input/rmi4/rmi_driver.c: note: in included file (through include/linux/bitmap.h):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
drivers/input/rmi4/rmi_driver.c: note: in included file:
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
drivers/input/rmi4/rmi_driver.c: note: in included file (through include/linux/bitmap.h):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
--
>> drivers/crypto/intel/qat/qat_common/adf_gen4_vf_mig.c:338:31: sparse: sparse: Variable length array is used.
--
>> drivers/mfd/atmel-smc.c:56:32: sparse: sparse: Variable length array is used.
drivers/mfd/atmel-smc.c:57:32: sparse: sparse: Variable length array is used.
drivers/mfd/atmel-smc.c:120:27: sparse: sparse: Variable length array is used.
drivers/mfd/atmel-smc.c:159:25: sparse: sparse: Variable length array is used.
drivers/mfd/atmel-smc.c:198:25: sparse: sparse: Variable length array is used.
drivers/mfd/atmel-smc.c:236:25: sparse: sparse: Variable length array is used.
--
>> kernel/time/sched_clock.c:194:20: sparse: sparse: Variable length array is used.
--
>> drivers/mtd/nand/bbt.c:87:25: sparse: sparse: Variable length array is used.
drivers/mtd/nand/bbt.c:111:38: sparse: sparse: Variable length array is used.
drivers/mtd/nand/bbt.c:116:20: sparse: sparse: Variable length array is used.
drivers/mtd/nand/bbt.c:122:28: sparse: sparse: Variable length array is used.
--
drivers/opp/cpu.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
--
drivers/pci/pci.c:1157:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted pci_power_t [usertype] current_state @@ got int @@
drivers/pci/pci.c:1157:36: sparse: expected restricted pci_power_t [usertype] current_state
drivers/pci/pci.c:1157:36: sparse: got int
drivers/pci/pci.c:1336:15: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted pci_power_t [assigned] [usertype] state @@ got int @@
drivers/pci/pci.c:1336:15: sparse: expected restricted pci_power_t [assigned] [usertype] state
drivers/pci/pci.c:1336:15: sparse: got int
drivers/pci/pci.c:1338:50: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1338:69: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1391:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted pci_power_t [usertype] current_state @@ got int @@
drivers/pci/pci.c:1391:28: sparse: expected restricted pci_power_t [usertype] current_state
drivers/pci/pci.c:1391:28: sparse: got int
drivers/pci/pci.c:1481:16: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1481:35: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1481:52: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1481:70: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1506:15: sparse: sparse: invalid assignment: |=
drivers/pci/pci.c:1506:15: sparse: left side has type unsigned short
drivers/pci/pci.c:1506:15: sparse: right side has type restricted pci_power_t
drivers/pci/pci.c:1518:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted pci_power_t [usertype] current_state @@ got int @@
drivers/pci/pci.c:1518:28: sparse: expected restricted pci_power_t [usertype] current_state
drivers/pci/pci.c:1518:28: sparse: got int
drivers/pci/pci.c:1535:13: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1535:21: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1537:18: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1537:26: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1560:13: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1560:22: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1865:38: sparse: sparse: array of flexible structures
drivers/pci/pci.c:2343:44: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2662:60: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2663:30: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2834:20: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2834:38: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2857:49: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2857:67: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:4486:13: sparse: sparse: invalid assignment: |=
drivers/pci/pci.c:4486:13: sparse: left side has type unsigned short
drivers/pci/pci.c:4486:13: sparse: right side has type restricted pci_power_t
drivers/pci/pci.c:4491:13: sparse: sparse: invalid assignment: |=
drivers/pci/pci.c:4491:13: sparse: left side has type unsigned short
drivers/pci/pci.c:4491:13: sparse: right side has type restricted pci_power_t
>> drivers/pci/pci.c:5983:19: sparse: sparse: Variable length array is used.
drivers/pci/pci.c:1112:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected int @@ got restricted pci_power_t [usertype] @@
drivers/pci/pci.c:1112:24: sparse: expected int
drivers/pci/pci.c:1112:24: sparse: got restricted pci_power_t [usertype]
drivers/pci/pci.c:1112:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected int @@ got restricted pci_power_t [usertype] @@
drivers/pci/pci.c:1112:24: sparse: expected int
drivers/pci/pci.c:1112:24: sparse: got restricted pci_power_t [usertype]
drivers/pci/pci.c: note: in included file (through include/linux/cpumask.h, arch/mips/include/asm/processor.h, arch/mips/include/asm/thread_info.h, ...):
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
--
drivers/perf/xgene_pmu.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
include/linux/find.h:388:46: sparse: sparse: Variable length array is used.
>> include/linux/find.h:209:45: sparse: sparse: Variable length array is used.
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
--
>> drivers/clk/renesas/rcar-gen3-cpg.c:287:22: sparse: sparse: Variable length array is used.
--
>> drivers/clk/renesas/rcar-gen4-cpg.c:400:22: sparse: sparse: Variable length array is used.
--
drivers/mtd/nand/raw/nand_macronix.c: note: in included file (through include/linux/cpumask.h, arch/mips/include/asm/processor.h, arch/mips/include/asm/thread_info.h, ...):
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
--
>> drivers/clk/spacemit/ccu_mix.c:168:16: sparse: sparse: Variable length array is used.
drivers/clk/spacemit/ccu_mix.c:193:16: sparse: sparse: Variable length array is used.
--
>> drivers/clk/sprd/mux.c:56:17: sparse: sparse: Variable length array is used.
--
>> drivers/clk/sprd/div.c:60:17: sparse: sparse: Variable length array is used.
--
>> drivers/clk/sprd/pll.c:77:24: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:116:13: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:120:34: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:121:31: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:124:14: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:125:32: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:127:24: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:128:21: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:129:32: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:131:24: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:164:16: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:170:16: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:181:16: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:186:16: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:192:16: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:198:16: sparse: sparse: Variable length array is used.
drivers/clk/sprd/pll.c:210:16: sparse: sparse: Variable length array is used.
--
>> drivers/pci/pcie/bwctrl.c:94:26: sparse: sparse: Variable length array is used.
--
>> drivers/pinctrl/renesas/core.c:884:26: sparse: sparse: Variable length array is used.
drivers/pinctrl/renesas/core.c:942:34: sparse: sparse: Variable length array is used.
drivers/pinctrl/renesas/core.c:1241:34: sparse: sparse: Variable length array is used.
--
>> drivers/pinctrl/renesas/pinctrl.c:492:51: sparse: sparse: Variable length array is used.
drivers/pinctrl/renesas/pinctrl.c:527:17: sparse: sparse: Variable length array is used.
--
drivers/pci/controller/pcie-xilinx-dma-pl.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
drivers/pci/controller/pcie-xilinx-dma-pl.c: note: in included file (through include/linux/cpumask.h, arch/mips/include/asm/processor.h, arch/mips/include/asm/thread_info.h, ...):
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
--
drivers/pci/controller/dwc/pcie-designware-host.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, include/linux/smp.h, ...):
include/linux/find.h:69:31: sparse: sparse: Variable length array is used.
drivers/pci/controller/dwc/pcie-designware-host.c: note: in included file (through include/linux/cpumask.h, include/linux/smp.h, arch/mips/include/asm/cpu-type.h, ...):
include/linux/bitmap.h:488:25: sparse: sparse: Variable length array is used.
>> include/linux/bitmap.h:504:26: sparse: sparse: Variable length array is used.
vim +209 include/linux/find.h
c56f97c5c71f17 include/linux/find.h Yury Norov [NVIDIA] 2025-06-19 48
19de85ef574c3a include/asm-generic/bitops/find.h Akinobu Mita 2011-05-26 49 #ifndef find_next_bit
d852a6afd91fc9 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 50 /**
d852a6afd91fc9 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 51 * find_next_bit - find the next set bit in a memory region
d852a6afd91fc9 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 52 * @addr: The address to base the search on
d852a6afd91fc9 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 53 * @size: The bitmap size in bits
6d7131bd52b3e0 include/linux/find.h Anna-Maria Behnsen 2022-04-11 54 * @offset: The bitnumber to start searching at
ec778edf97dcaa include/asm-generic/bitops/find.h Cody P Schafer 2013-11-12 55 *
ec778edf97dcaa include/asm-generic/bitops/find.h Cody P Schafer 2013-11-12 56 * Returns the bit number for the next set bit
ec778edf97dcaa include/asm-generic/bitops/find.h Cody P Schafer 2013-11-12 57 * If no bits are set, returns @size.
d852a6afd91fc9 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 58 */
fda1dd3c54ef3c include/linux/find.h Yury Norov 2024-07-18 59 static __always_inline
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 60 unsigned long find_next_bit(const unsigned long *addr, unsigned long size,
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 61 unsigned long offset)
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 62 {
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 63 if (small_const_nbits(size)) {
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 64 unsigned long val;
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 65
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 66 if (unlikely(offset >= size))
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 67 return size;
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 68
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 @69 val = *addr & GENMASK(size - 1, offset);
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 70 return val ? __ffs(val) : size;
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 71 }
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 72
e79864f3164c57 include/linux/find.h Yury Norov 2022-09-14 73 return _find_next_bit(addr, size, offset);
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 74 }
19de85ef574c3a include/asm-generic/bitops/find.h Akinobu Mita 2011-05-26 75 #endif
c7f612cdf091de include/asm-generic/bitops/find.h Akinobu Mita 2006-03-26 76
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 77 #ifndef find_next_and_bit
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 78 /**
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 79 * find_next_and_bit - find the next set bit in both memory regions
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 80 * @addr1: The first address to base the search on
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 81 * @addr2: The second address to base the search on
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 82 * @size: The bitmap size in bits
6d7131bd52b3e0 include/linux/find.h Anna-Maria Behnsen 2022-04-11 83 * @offset: The bitnumber to start searching at
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 84 *
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 85 * Returns the bit number for the next set bit
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 86 * If no bits are set, returns @size.
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 87 */
fda1dd3c54ef3c include/linux/find.h Yury Norov 2024-07-18 88 static __always_inline
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 89 unsigned long find_next_and_bit(const unsigned long *addr1,
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 90 const unsigned long *addr2, unsigned long size,
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 91 unsigned long offset)
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 92 {
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 93 if (small_const_nbits(size)) {
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 94 unsigned long val;
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 95
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 96 if (unlikely(offset >= size))
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 97 return size;
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 98
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 99 val = *addr1 & *addr2 & GENMASK(size - 1, offset);
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 100 return val ? __ffs(val) : size;
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 101 }
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 102
e79864f3164c57 include/linux/find.h Yury Norov 2022-09-14 103 return _find_next_and_bit(addr1, addr2, size, offset);
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 104 }
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 105 #endif
0ade34c37012ea include/asm-generic/bitops/find.h Clement Courbet 2018-02-06 106
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 107 #ifndef find_next_andnot_bit
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 108 /**
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 109 * find_next_andnot_bit - find the next set bit in *addr1 excluding all the bits
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 110 * in *addr2
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 111 * @addr1: The first address to base the search on
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 112 * @addr2: The second address to base the search on
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 113 * @size: The bitmap size in bits
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 114 * @offset: The bitnumber to start searching at
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 115 *
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 116 * Returns the bit number for the next set bit
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 117 * If no bits are set, returns @size.
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 118 */
fda1dd3c54ef3c include/linux/find.h Yury Norov 2024-07-18 119 static __always_inline
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 120 unsigned long find_next_andnot_bit(const unsigned long *addr1,
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 121 const unsigned long *addr2, unsigned long size,
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 122 unsigned long offset)
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 123 {
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 124 if (small_const_nbits(size)) {
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 125 unsigned long val;
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 126
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 127 if (unlikely(offset >= size))
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 128 return size;
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 129
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 130 val = *addr1 & ~*addr2 & GENMASK(size - 1, offset);
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 131 return val ? __ffs(val) : size;
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 132 }
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 133
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 134 return _find_next_andnot_bit(addr1, addr2, size, offset);
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 135 }
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 136 #endif
90d482908eedd5 include/linux/find.h Valentin Schneider 2022-10-03 137
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 138 #ifndef find_next_or_bit
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 139 /**
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 140 * find_next_or_bit - find the next set bit in either memory regions
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 141 * @addr1: The first address to base the search on
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 142 * @addr2: The second address to base the search on
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 143 * @size: The bitmap size in bits
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 144 * @offset: The bitnumber to start searching at
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 145 *
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 146 * Returns the bit number for the next set bit
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 147 * If no bits are set, returns @size.
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 148 */
fda1dd3c54ef3c include/linux/find.h Yury Norov 2024-07-18 149 static __always_inline
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 150 unsigned long find_next_or_bit(const unsigned long *addr1,
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 151 const unsigned long *addr2, unsigned long size,
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 152 unsigned long offset)
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 153 {
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 154 if (small_const_nbits(size)) {
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 155 unsigned long val;
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 156
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 157 if (unlikely(offset >= size))
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 158 return size;
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 159
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 160 val = (*addr1 | *addr2) & GENMASK(size - 1, offset);
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 161 return val ? __ffs(val) : size;
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 162 }
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 163
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 164 return _find_next_or_bit(addr1, addr2, size, offset);
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 165 }
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 166 #endif
1470afefc3c42d include/linux/find.h Dave Chinner 2023-03-15 167
19de85ef574c3a include/asm-generic/bitops/find.h Akinobu Mita 2011-05-26 168 #ifndef find_next_zero_bit
d852a6afd91fc9 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 169 /**
d852a6afd91fc9 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 170 * find_next_zero_bit - find the next cleared bit in a memory region
d852a6afd91fc9 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 171 * @addr: The address to base the search on
d852a6afd91fc9 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 172 * @size: The bitmap size in bits
6d7131bd52b3e0 include/linux/find.h Anna-Maria Behnsen 2022-04-11 173 * @offset: The bitnumber to start searching at
ec778edf97dcaa include/asm-generic/bitops/find.h Cody P Schafer 2013-11-12 174 *
ec778edf97dcaa include/asm-generic/bitops/find.h Cody P Schafer 2013-11-12 175 * Returns the bit number of the next zero bit
ec778edf97dcaa include/asm-generic/bitops/find.h Cody P Schafer 2013-11-12 176 * If no bits are zero, returns @size.
d852a6afd91fc9 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 177 */
fda1dd3c54ef3c include/linux/find.h Yury Norov 2024-07-18 178 static __always_inline
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 179 unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size,
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 180 unsigned long offset)
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 181 {
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 182 if (small_const_nbits(size)) {
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 183 unsigned long val;
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 184
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 185 if (unlikely(offset >= size))
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 186 return size;
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 187
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 188 val = *addr | ~GENMASK(size - 1, offset);
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 189 return val == ~0UL ? size : ffz(val);
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 190 }
277a20a498d307 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 191
e79864f3164c57 include/linux/find.h Yury Norov 2022-09-14 192 return _find_next_zero_bit(addr, size, offset);
5c88af59f9abc2 include/asm-generic/bitops/find.h Yury Norov 2021-05-06 193 }
19de85ef574c3a include/asm-generic/bitops/find.h Akinobu Mita 2011-05-26 194 #endif
c7f612cdf091de include/asm-generic/bitops/find.h Akinobu Mita 2006-03-26 195
b7ec62d7ee0f0b include/asm-generic/bitops/find.h Yury Norov 2021-08-14 196 #ifndef find_first_bit
708ff2a0097b02 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 197 /**
708ff2a0097b02 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 198 * find_first_bit - find the first set bit in a memory region
708ff2a0097b02 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 199 * @addr: The address to start the search at
ec778edf97dcaa include/asm-generic/bitops/find.h Cody P Schafer 2013-11-12 200 * @size: The maximum number of bits to search
708ff2a0097b02 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 201 *
708ff2a0097b02 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 202 * Returns the bit number of the first set bit.
ec778edf97dcaa include/asm-generic/bitops/find.h Cody P Schafer 2013-11-12 203 * If no bits are set, returns @size.
708ff2a0097b02 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 204 */
fda1dd3c54ef3c include/linux/find.h Yury Norov 2024-07-18 205 static __always_inline
2cc7b6a44ac21d include/asm-generic/bitops/find.h Yury Norov 2021-05-06 206 unsigned long find_first_bit(const unsigned long *addr, unsigned long size)
2cc7b6a44ac21d include/asm-generic/bitops/find.h Yury Norov 2021-05-06 207 {
2cc7b6a44ac21d include/asm-generic/bitops/find.h Yury Norov 2021-05-06 208 if (small_const_nbits(size)) {
2cc7b6a44ac21d include/asm-generic/bitops/find.h Yury Norov 2021-05-06 @209 unsigned long val = *addr & GENMASK(size - 1, 0);
2cc7b6a44ac21d include/asm-generic/bitops/find.h Yury Norov 2021-05-06 210
2cc7b6a44ac21d include/asm-generic/bitops/find.h Yury Norov 2021-05-06 211 return val ? __ffs(val) : size;
2cc7b6a44ac21d include/asm-generic/bitops/find.h Yury Norov 2021-05-06 212 }
2cc7b6a44ac21d include/asm-generic/bitops/find.h Yury Norov 2021-05-06 213
2cc7b6a44ac21d include/asm-generic/bitops/find.h Yury Norov 2021-05-06 214 return _find_first_bit(addr, size);
2cc7b6a44ac21d include/asm-generic/bitops/find.h Yury Norov 2021-05-06 215 }
b7ec62d7ee0f0b include/asm-generic/bitops/find.h Yury Norov 2021-08-14 216 #endif
708ff2a0097b02 include/asm-generic/bitops/find.h Akinobu Mita 2010-09-29 217
--
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