arch/alpha/kernel/irq_i8259.c

154

int j = ffz(~pic);

arch/alpha/kernel/irq_pyxis.c

82

i = ffz(~pld);

arch/alpha/kernel/sys_alcor.c

98

i = ffz(~pld);

arch/alpha/kernel/sys_cabriolet.c

77

i = ffz(~pld);

arch/alpha/kernel/sys_dp264.c

204

i = ffz(~pld);

arch/alpha/kernel/sys_mikasa.c

79

i = ffz(~pld);

arch/alpha/kernel/sys_noritake.c

85

i = ffz(~pld);

arch/alpha/kernel/sys_rx164.c

84

i = ffz(~pld);

arch/arc/kernel/perf_event.c

528

idx = ffz(pmu_cpu->used_mask[0]);

arch/arm64/include/asm/pkeys.h

88

ret = ffz(mm_pkey_allocation_map(mm));

arch/arm64/kernel/module-plts.c

220

min_align = 2ULL << ffz(rela[i].r_offset | 0x7);

arch/mips/ralink/mt7621.c

47

WARN_ON(mask && BIT(ffz(~mask)) - 1 != ~mask);

arch/parisc/kernel/smp.c

140

unsigned long which = ffz(~ops);

arch/powerpc/include/asm/pkeys.h

104

ret = ffz((u32)mm_pkey_allocation_map(mm));

arch/powerpc/mm/book3s64/slb.c

572

index = ffz(local_paca->slb_used_bitmap);

arch/powerpc/platforms/512x/mpc5121_ads_cpld.c

100

return ffz(status) + offset;

arch/x86/include/asm/pkeys.h

99

ret = ffz(mm_pkey_allocation_map(mm));

block/blk-flush.c

105

return 1 << ffz(rq->flush.seq);

crypto/lrw.c

120

return res + ffz(counter[i]++);

drivers/crypto/tegra/tegra-se-key.c

36

keyid = ffz(tegra_se_keyslots);

drivers/gpu/drm/display/drm_dp_mst_topology.c

5413

payload->vcpi = ffz(mst_state->payload_mask) + 1;

drivers/gpu/drm/panfrost/panfrost_mmu.c

296

as = ffz(pfdev->as_alloc_mask);

drivers/gpu/drm/panthor/panthor_mmu.c

748

as = ffz(ptdev->mmu->as.alloc_mask | BIT(0));

drivers/infiniband/hw/hfi1/sdma.c

3243

nr = ffz(READ_ONCE(sde->ahg_bits));

drivers/infiniband/hw/hfi1/tid_rdma.c

726

nr = ffz(rcd->flow_mask);

drivers/input/keyboard/hilkbd.c

237

kbid = ffz(~c);

drivers/iommu/generic_pt/pt_log2.h

109

return ffz(a);

drivers/iommu/generic_pt/pt_log2.h

114

return ffz(a);

drivers/iommu/generic_pt/pt_log2.h

120

#define ffz_t(type, a) _dispatch_sz(type, ffz, a)

drivers/md/bcache/bset.c

379

j >>= ffz(j) + 1;

drivers/md/bcache/bset.c

604

: tree_to_bkey(t, j >> (ffz(j) + 1));

drivers/md/md-bitmap.c

2429

chunkshift = ffz(~chunksize) - BITMAP_BLOCK_SHIFT;

drivers/md/md-llbitmap.c

1026

llbitmap->chunkshift = ffz(~chunksize);

drivers/md/md-llbitmap.c

1153

llbitmap->chunkshift = ffz(~chunksize);

drivers/md/md-llbitmap.c

918

llbitmap->chunkshift = ffz(~chunksize);

drivers/md/raid0.c

335

int chunksect_bits = ffz(~chunk_sects);

drivers/md/raid10.c

3838

geo->chunk_shift = ffz(~chunk);

drivers/media/platform/allegro-dvt/allegro-core.c

431

return ffz(dev->channel_user_ids);

drivers/media/platform/amphion/vpu_core.c

325

id = ffz(core->instance_mask);

drivers/media/rc/ttusbir.c

132

b = ffz(v | 1);

drivers/net/dsa/yt921x.c

2220

ffz(priv->acl_masks[candidates[i]]);

drivers/net/ethernet/aquantia/atlantic/aq_macsec.c

459

txsc_idx = ffz(cfg->txsc_idx_busy);

drivers/net/ethernet/aquantia/atlantic/aq_macsec.c

756

rxsc_idx = ffz(cfg->rxsc_idx_busy);

drivers/net/ethernet/cadence/macb_main.c

4629

if (fls(queue_mask) != ffz(queue_mask)) {

drivers/net/ethernet/mellanox/mlx4/pd.c

219

idx = ffz(uar->free_bf_bmap);

drivers/net/ipa/gsi.c

1573

evt_ring_id = ffz(gsi->event_bitmap);

drivers/net/wireless/ath/ath11k/hal_rx.c

52

u8 avail_slot = ffz(hal->avail_blk_resource);

drivers/net/wireless/ath/ath12k/wifi7/hal_rx.c

52

u8 avail_slot = ffz(hal->avail_blk_resource);

drivers/net/wireless/ath/ath9k/htc_drv_main.c

1071

avp->index = hvif.index = ffz(priv->vif_slot);

drivers/net/wireless/ath/ath9k/htc_drv_main.c

364

sta_idx = ffz(priv->sta_slot);

drivers/net/wireless/ath/ath9k/htc_drv_main.c

377

hvif.index = ffz(priv->vif_slot);

drivers/net/wireless/ath/ath9k/htc_drv_main.c

481

sta_idx = ffz(priv->sta_slot);

drivers/net/wireless/intel/iwlwifi/fw/dbg.c

1941

idx = ffz(fwrt->dump.active_wks);

drivers/net/wireless/intel/iwlwifi/fw/dbg.c

2243

idx = ffz(fwrt->dump.active_wks);

drivers/net/wireless/intel/iwlwifi/mld/tests/link-selection.c

354

assoc_link.id = BIT(ffz(BIT(link_id)));

drivers/net/wireless/ralink/rt2x00/rt2500usb.c

354

key->hw_key_idx += reg ? ffz(reg) : 0;

drivers/net/wireless/ralink/rt2x00/rt61pci.c

348

key->hw_key_idx += reg ? ffz(reg) : 0;

drivers/net/wireless/ralink/rt2x00/rt73usb.c

284

key->hw_key_idx += reg ? ffz(reg) : 0;

drivers/net/wireless/ralink/rt2x00/rt73usb.c

380

key->hw_key_idx += reg ? ffz(reg) : 0;

drivers/net/wireless/silabs/wfx/sta.c

298

sta_priv->link_id = ffz(wvif->link_id_map);

drivers/spi/spi-pxa2xx.c

1426

platform_info->num_chipselect = ffz(tmp);

drivers/tty/serial/sh-sci.c

3767

id = ffz(sci_ports_in_use);

fs/afs/dir_edit.c

44

n = ffz(bitmap);

fs/afs/dir_edit.c

47

ffz((u32)bitmap) :

fs/afs/dir_edit.c

48

ffz((u32)(bitmap >> 32)) + 32;

fs/binfmt_elf.c

1549

i = state ? ffz(~state) + 1 : 0;

fs/binfmt_elf_fdpic.c

1367

i = state ? ffz(~state) + 1 : 0;

fs/exfat/balloc.c

271

clu_free = clu_base + ffz(clu_bits);

fs/minix/minix.h

147

return ((p - addr) << 4) + ffz(num);

fs/ntfs/mft.c

956

b = ffz((unsigned long)*byte);

fs/squashfs/super.c

210

msblk->devblksize_log2 = ffz(~msblk->devblksize);

fs/xfs/libxfs/xfs_bit.c

65

return result + ffz(tmp) - start_bit;

include/linux/find.h

187

return val == ~0UL ? size : ffz(val);

include/linux/find.h

388

return val == ~0UL ? size : ffz(val);

include/linux/find.h

539

return val == ~0UL ? size : ffz(val);

include/linux/find.h

553

return val == ~0UL ? size : ffz(val);

include/linux/inetdevice.h

315

return 32 - ffz(~hmask);

kernel/irq/manage.c

1690

new->thread_mask = 1UL << ffz(thread_mask);

kernel/signal.c

219

sig = ffz(~x) + 1;

kernel/signal.c

229

sig = ffz(~x) + i*_NSIG_BPW + 1;

kernel/signal.c

238

sig = ffz(~x) + _NSIG_BPW + 1;

kernel/unwind/deferred.c

342

work->bit = ffz(unwind_mask);

lib/tests/ffs_kunit.c

388

unsigned long result = ffz(tc->input);

lib/tests/ffs_kunit.c

405

KUNIT_EXPECT_EQ(test, ffz(input), 0);

lib/tests/ffs_kunit.c

411

ffz_result = ffz(input);

lib/tests/ffs_kunit.c

416

ffz_result = ffz(input);

lib/tests/ffs_kunit.c

430

unsigned long new_ffz = ffz(modified);

lib/tests/ffs_kunit.c

522

CREATE_WRAPPER(ffz)

net/rxrpc/input.c

944

rxrpc_seq_t lowest = seq + ffz(extracted_acks);

net/sched/sch_htb.c

370

int prio = ffz(~mask);

net/sched/sch_htb.c

404

int prio = ffz(~mask);

net/sched/sch_htb.c

435

unsigned int prio = ffz(~m);

net/sched/sch_htb.c

476

int prio = ffz(~m);

net/sched/sch_htb.c

984

int prio = ffz(m);

sound/core/oss/mixer_oss.c

226

mixer->put_recsrc(fmixer, ffz(~recsrc));

sound/soc/intel/atom/sst/sst_pvt.c

307

local = ffz(drv->pvt_id);

tools/include/linux/find.h

101

return val == ~0UL ? size : ffz(val);

tools/include/linux/find.h

170

return val == ~0UL ? size : ffz(val);