include/linux/sched.h

1533

struct kcov *kcov;

include/linux/sched.h

1536

struct kcov *kcov_remote;

kernel/kcov.c

1030

struct kcov *kcov;

kernel/kcov.c

1062

kcov = t->kcov;

kernel/kcov.c

1073

spin_lock(&kcov->lock);

kernel/kcov.c

1078

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

kernel/kcov.c

1079

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

kernel/kcov.c

1080

spin_unlock(&kcov->lock);

kernel/kcov.c

1091

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

376

t->kcov = NULL;

kernel/kcov.c

395

static void kcov_reset(struct kcov *kcov)

kernel/kcov.c

396

__must_hold(&kcov->lock)

kernel/kcov.c

398

kcov->t = NULL;

kernel/kcov.c

399

kcov->mode = KCOV_MODE_INIT;

kernel/kcov.c

400

kcov->remote = false;

kernel/kcov.c

401

kcov->remote_size = 0;

kernel/kcov.c

402

kcov->sequence++;

kernel/kcov.c

405

static void kcov_remote_reset(struct kcov *kcov)

kernel/kcov.c

406

__must_hold(&kcov->lock)

kernel/kcov.c

415

if (remote->kcov != kcov)

kernel/kcov.c

421

kcov_reset(kcov);

kernel/kcov.c

425

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

kernel/kcov.c

426

__must_hold(&kcov->lock)

kernel/kcov.c

428

if (kcov->remote) {

kernel/kcov.c

431

kcov_remote_reset(kcov);

kernel/kcov.c

434

kcov_reset(kcov);

kernel/kcov.c

438

static void kcov_get(struct kcov *kcov)

kernel/kcov.c

440

refcount_inc(&kcov->refcount);

kernel/kcov.c

443

static void kcov_put(struct kcov *kcov)

kernel/kcov.c

445

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

kernel/kcov.c

448

kcov_remote_reset(kcov);

kernel/kcov.c

449

vfree(kcov->area);

kernel/kcov.c

451

kfree(kcov);

kernel/kcov.c

457

struct kcov *kcov;

kernel/kcov.c

460

kcov = t->kcov;

kernel/kcov.c

461

if (kcov) {

kernel/kcov.c

462

spin_lock_irqsave(&kcov->lock, flags);

kernel/kcov.c

463

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

kernel/kcov.c

475

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

kernel/kcov.c

476

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

480

kcov_disable(t, kcov);

kernel/kcov.c

481

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

482

kcov_put(kcov);

kernel/kcov.c

484

kcov = t->kcov_remote;

kernel/kcov.c

485

if (kcov) {

kernel/kcov.c

486

spin_lock_irqsave(&kcov->lock, flags);

kernel/kcov.c

487

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

kernel/kcov.c

493

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

kernel/kcov.c

494

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

498

kcov_disable(t, kcov);

kernel/kcov.c

499

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

500

kcov_put(kcov);

kernel/kcov.c

507

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

kernel/kcov.c

513

spin_lock_irqsave(&kcov->lock, flags);

kernel/kcov.c

514

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

kernel/kcov.c

515

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

kernel/kcov.c

520

area = kcov->area;

kernel/kcov.c

521

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

533

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

539

struct kcov *kcov;

kernel/kcov.c

541

kcov = kzalloc_obj(*kcov);

kernel/kcov.c

542

if (!kcov)

kernel/kcov.c

544

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

kernel/kcov.c

545

kcov->mode = KCOV_MODE_DISABLED;

kernel/kcov.c

546

kcov->sequence = 1;

kernel/kcov.c

547

refcount_set(&kcov->refcount, 1);

kernel/kcov.c

548

filep->private_data = kcov;

kernel/kcov.c

577

static void kcov_fault_in_area(struct kcov *kcov)

kernel/kcov.c

578

__must_hold(&kcov->lock)

kernel/kcov.c

581

unsigned long *area = kcov->area;

kernel/kcov.c

584

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

kernel/kcov.c

605

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

kernel/kcov.c

607

__must_hold(&kcov->lock)

kernel/kcov.c

624

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

kernel/kcov.c

627

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

kernel/kcov.c

632

kcov_fault_in_area(kcov);

kernel/kcov.c

633

kcov->mode = mode;

kernel/kcov.c

634

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

kernel/kcov.c

635

kcov->sequence);

kernel/kcov.c

636

kcov->t = t;

kernel/kcov.c

638

kcov_get(kcov);

kernel/kcov.c

644

if (unused != 0 || (kcov != t->kcov && kcov != t->kcov_remote))

kernel/kcov.c

646

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

kernel/kcov.c

648

kcov_disable(t, kcov);

kernel/kcov.c

649

kcov_put(kcov);

kernel/kcov.c

652

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

kernel/kcov.c

655

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

kernel/kcov.c

664

kcov->mode = mode;

kernel/kcov.c

665

t->kcov_remote = kcov;

kernel/kcov.c

666

kcov->t = t;

kernel/kcov.c

667

kcov->remote = true;

kernel/kcov.c

668

kcov->remote_size = remote_arg->area_size;

kernel/kcov.c

675

kcov_disable(t, kcov);

kernel/kcov.c

678

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

kernel/kcov.c

682

kcov_disable(t, kcov);

kernel/kcov.c

691

kcov_disable(t, kcov);

kernel/kcov.c

694

remote = kcov_remote_add(kcov,

kernel/kcov.c

699

kcov_disable(t, kcov);

kernel/kcov.c

706

kcov_get(kcov);

kernel/kcov.c

715

struct kcov *kcov;

kernel/kcov.c

723

kcov = filep->private_data;

kernel/kcov.c

739

spin_lock_irqsave(&kcov->lock, flags);

kernel/kcov.c

740

if (kcov->mode != KCOV_MODE_DISABLED) {

kernel/kcov.c

741

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

745

kcov->area = area;

kernel/kcov.c

746

kcov->size = size;

kernel/kcov.c

747

kcov->mode = KCOV_MODE_INIT;

kernel/kcov.c

748

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

772

spin_lock_irqsave(&kcov->lock, flags);

kernel/kcov.c

773

res = kcov_ioctl_locked(kcov, cmd, arg);

kernel/kcov.c

774

spin_unlock_irqrestore(&kcov->lock, flags);

kernel/kcov.c

83

struct kcov *kcov;

kernel/kcov.c

849

data->saved_kcov = t->kcov;

kernel/kcov.c

875

struct kcov *kcov;

kernel/kcov.c

917

kcov = remote->kcov;

kernel/kcov.c

919

kcov_get(kcov);

kernel/kcov.c

926

mode = context_unsafe(kcov->mode);

kernel/kcov.c

927

sequence = kcov->sequence;

kernel/kcov.c

929

size = kcov->remote_size;

kernel/kcov.c

942

kcov_put(kcov);

kernel/kcov.c

955

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

kernel/kcov.c

98

struct kcov *saved_kcov;