include/linux/sched.h

1513

struct kcov *kcov;

kernel/kcov.c

1020

struct kcov *kcov;

kernel/kcov.c

1052

kcov = t->kcov;

kernel/kcov.c

1063

spin_lock(&kcov->lock);

kernel/kcov.c

1068

if (sequence == kcov->sequence && kcov->remote)

kernel/kcov.c

1069

kcov_move_area(kcov->mode, kcov->area, kcov->size, area);

kernel/kcov.c

1070

spin_unlock(&kcov->lock);

kernel/kcov.c

1081

kcov_put(kcov);

kernel/kcov.c

119

static struct kcov_remote *kcov_remote_add(struct kcov *kcov, u64 handle)

kernel/kcov.c

129

remote->kcov = kcov;

kernel/kcov.c

356

static void kcov_start(struct task_struct *t, struct kcov *kcov,

kernel/kcov.c

361

t->kcov = kcov;

kernel/kcov.c

375

t->kcov = NULL;

kernel/kcov.c

393

static void kcov_reset(struct kcov *kcov)

kernel/kcov.c

394

__must_hold(&kcov->lock)

kernel/kcov.c

396

kcov->t = NULL;

kernel/kcov.c

397

kcov->mode = KCOV_MODE_INIT;

kernel/kcov.c

398

kcov->remote = false;

kernel/kcov.c

399

kcov->remote_size = 0;

kernel/kcov.c

400

kcov->sequence++;

kernel/kcov.c

403

static void kcov_remote_reset(struct kcov *kcov)

kernel/kcov.c

404

__must_hold(&kcov->lock)

kernel/kcov.c

413

if (remote->kcov != kcov)

kernel/kcov.c

419

kcov_reset(kcov);

kernel/kcov.c

423

static void kcov_disable(struct task_struct *t, struct kcov *kcov)

kernel/kcov.c

424

__must_hold(&kcov->lock)

kernel/kcov.c

427

if (kcov->remote)

kernel/kcov.c

428

kcov_remote_reset(kcov);

kernel/kcov.c

430

kcov_reset(kcov);

kernel/kcov.c

433

static void kcov_get(struct kcov *kcov)

kernel/kcov.c

435

refcount_inc(&kcov->refcount);

kernel/kcov.c

438

static void kcov_put(struct kcov *kcov)

kernel/kcov.c

440

if (refcount_dec_and_test(&kcov->refcount)) {

kernel/kcov.c

443

kcov_remote_reset(kcov);

kernel/kcov.c

444

vfree(kcov->area);

kernel/kcov.c

446

kfree(kcov);

kernel/kcov.c

452

struct kcov *kcov;

kernel/kcov.c

455

kcov = t->kcov;

kernel/kcov.c

456

if (kcov == NULL)

kernel/kcov.c

459

spin_lock_irqsave(&kcov->lock, flags);

kernel/kcov.c

460

kcov_debug("t = %px, kcov->t = %px\n", t, kcov->t);

kernel/kcov.c

483

if (WARN_ON(kcov->t != t)) {

kernel/kcov.c

484

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

488

kcov_disable(t, kcov);

kernel/kcov.c

489

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

490

kcov_put(kcov);

kernel/kcov.c

496

struct kcov *kcov = vma->vm_file->private_data;

kernel/kcov.c

502

spin_lock_irqsave(&kcov->lock, flags);

kernel/kcov.c

503

size = kcov->size * sizeof(unsigned long);

kernel/kcov.c

504

if (kcov->area == NULL || vma->vm_pgoff != 0 ||

kernel/kcov.c

509

area = kcov->area;

kernel/kcov.c

510

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

522

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

528

struct kcov *kcov;

kernel/kcov.c

530

kcov = kzalloc_obj(*kcov);

kernel/kcov.c

531

if (!kcov)

kernel/kcov.c

533

guard(spinlock_init)(&kcov->lock);

kernel/kcov.c

534

kcov->mode = KCOV_MODE_DISABLED;

kernel/kcov.c

535

kcov->sequence = 1;

kernel/kcov.c

536

refcount_set(&kcov->refcount, 1);

kernel/kcov.c

537

filep->private_data = kcov;

kernel/kcov.c

566

static void kcov_fault_in_area(struct kcov *kcov)

kernel/kcov.c

567

__must_hold(&kcov->lock)

kernel/kcov.c

570

unsigned long *area = kcov->area;

kernel/kcov.c

573

for (offset = 0; offset < kcov->size; offset += stride)

kernel/kcov.c

594

static int kcov_ioctl_locked(struct kcov *kcov, unsigned int cmd,

kernel/kcov.c

596

__must_hold(&kcov->lock)

kernel/kcov.c

613

if (kcov->mode != KCOV_MODE_INIT || !kcov->area)

kernel/kcov.c

616

if (kcov->t != NULL || t->kcov != NULL)

kernel/kcov.c

621

kcov_fault_in_area(kcov);

kernel/kcov.c

622

kcov->mode = mode;

kernel/kcov.c

623

kcov_start(t, kcov, kcov->size, kcov->area, kcov->mode,

kernel/kcov.c

624

kcov->sequence);

kernel/kcov.c

625

kcov->t = t;

kernel/kcov.c

627

kcov_get(kcov);

kernel/kcov.c

632

if (unused != 0 || current->kcov != kcov)

kernel/kcov.c

635

if (WARN_ON(kcov->t != t))

kernel/kcov.c

637

kcov_disable(t, kcov);

kernel/kcov.c

638

kcov_put(kcov);

kernel/kcov.c

641

if (kcov->mode != KCOV_MODE_INIT || !kcov->area)

kernel/kcov.c

644

if (kcov->t != NULL || t->kcov != NULL)

kernel/kcov.c

653

kcov->mode = mode;

kernel/kcov.c

654

t->kcov = kcov;

kernel/kcov.c

656

kcov->t = t;

kernel/kcov.c

657

kcov->remote = true;

kernel/kcov.c

658

kcov->remote_size = remote_arg->area_size;

kernel/kcov.c

665

kcov_disable(t, kcov);

kernel/kcov.c

668

remote = kcov_remote_add(kcov, remote_arg->handles[i]);

kernel/kcov.c

672

kcov_disable(t, kcov);

kernel/kcov.c

681

kcov_disable(t, kcov);

kernel/kcov.c

684

remote = kcov_remote_add(kcov,

kernel/kcov.c

689

kcov_disable(t, kcov);

kernel/kcov.c

696

kcov_get(kcov);

kernel/kcov.c

705

struct kcov *kcov;

kernel/kcov.c

713

kcov = filep->private_data;

kernel/kcov.c

729

spin_lock_irqsave(&kcov->lock, flags);

kernel/kcov.c

730

if (kcov->mode != KCOV_MODE_DISABLED) {

kernel/kcov.c

731

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

735

kcov->area = area;

kernel/kcov.c

736

kcov->size = size;

kernel/kcov.c

737

kcov->mode = KCOV_MODE_INIT;

kernel/kcov.c

738

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

762

spin_lock_irqsave(&kcov->lock, flags);

kernel/kcov.c

763

res = kcov_ioctl_locked(kcov, cmd, arg);

kernel/kcov.c

764

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

83

struct kcov *kcov;

kernel/kcov.c

839

data->saved_kcov = t->kcov;

kernel/kcov.c

865

struct kcov *kcov;

kernel/kcov.c

907

kcov = remote->kcov;

kernel/kcov.c

909

kcov_get(kcov);

kernel/kcov.c

916

mode = context_unsafe(kcov->mode);

kernel/kcov.c

917

sequence = kcov->sequence;

kernel/kcov.c

919

size = kcov->remote_size;

kernel/kcov.c

932

kcov_put(kcov);

kernel/kcov.c

945

kcov_start(t, kcov, size, area, mode, sequence);

kernel/kcov.c

98

struct kcov *saved_kcov;