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Searched refs:usize (Results 1 – 25 of 32) sorted by relevance

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/linux/lib/mpi/
A Dmpi-add.c26 usize = u->nlimbs; in mpi_add_ui()
31 wsize = usize + 1; in mpi_add_ui()
45 wp[usize] = cy; in mpi_add_ui()
57 wsize = usize - (wp[usize-1] == 0); in mpi_add_ui()
74 usize = v->nlimbs; in mpi_add()
78 wsize = usize + 1; in mpi_add()
99 wsize = usize; in mpi_add()
105 wsize = usize; in mpi_add()
110 wsize = usize; in mpi_add()
116 wsize = usize; in mpi_add()
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A Dmpi-cmp.c46 mpi_size_t usize; in do_mpi_cmp() local
55 usize = u->nlimbs; in do_mpi_cmp()
69 if (usize != vsize && !usign && !vsign) in do_mpi_cmp()
70 return usize - vsize; in do_mpi_cmp()
71 if (usize != vsize && usign && vsign) in do_mpi_cmp()
72 return vsize + usize; in do_mpi_cmp()
73 if (!usize) in do_mpi_cmp()
75 cmp = mpihelp_cmp(u->d, v->d, usize); in do_mpi_cmp()
A Dmpih-mul.c366 usize -= vsize; in mpihelp_mul_karatsuba_case()
367 if (usize >= vsize) { in mpihelp_mul_karatsuba_case()
388 usize -= vsize; in mpihelp_mul_karatsuba_case()
389 } while (usize >= vsize); in mpihelp_mul_karatsuba_case()
392 if (usize) { in mpihelp_mul_karatsuba_case()
406 up, usize, in mpihelp_mul_karatsuba_case()
473 MPN_COPY(prodp, up, usize); in mpihelp_mul()
475 MPN_ZERO(prodp, usize); in mpihelp_mul()
480 prodp[usize] = cy; in mpihelp_mul()
491 usize); in mpihelp_mul()
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A Dmpi-mul.c18 mpi_size_t usize, vsize, wsize; in mpi_mul() local
27 usize = v->nlimbs; in mpi_mul()
34 usize = u->nlimbs; in mpi_mul()
45 wsize = usize + vsize; in mpi_mul()
57 up = tmp_limb = mpi_alloc_limb_space(usize); in mpi_mul()
62 MPN_COPY(up, wp, usize); in mpi_mul()
74 mpihelp_mul(wp, up, usize, vp, vsize, &cy); in mpi_mul()
A Dgeneric_mpih-lshift.c28 mpihelp_lshift(mpi_ptr_t wp, mpi_ptr_t up, mpi_size_t usize, unsigned int cnt) in mpihelp_lshift() argument
38 i = usize - 1; in mpihelp_lshift()
A Dgeneric_mpih-rshift.c29 mpihelp_rshift(mpi_ptr_t wp, mpi_ptr_t up, mpi_size_t usize, unsigned cnt) in mpihelp_rshift() argument
42 for (i = 1; i < usize; i++) { in mpihelp_rshift()
A Dmpi-internal.h179 int mpihelp_mul(mpi_ptr_t prodp, mpi_ptr_t up, mpi_size_t usize,
188 mpi_ptr_t up, mpi_size_t usize,
207 mpi_limb_t mpihelp_lshift(mpi_ptr_t wp, mpi_ptr_t up, mpi_size_t usize,
209 mpi_limb_t mpihelp_rshift(mpi_ptr_t wp, mpi_ptr_t up, mpi_size_t usize,
A Dmpiutil.c253 mpi_size_t usize = u->nlimbs; in mpi_set() local
258 RESIZE_IF_NEEDED(w, usize); in mpi_set()
261 MPN_COPY(wp, up, usize); in mpi_set()
262 w->nlimbs = usize; in mpi_set()
/linux/drivers/acpi/apei/
A Derst-dbg.c83 size_t usize, loff_t *off) in erst_dbg_read() argument
139 if (len > usize) in erst_dbg_read()
152 size_t usize, loff_t *off) in erst_dbg_write() argument
160 if (usize > ERST_DBG_RECORD_LEN_MAX) { in erst_dbg_write()
167 if (usize > erst_dbg_buf_len) { in erst_dbg_write()
170 p = kmalloc(usize, GFP_KERNEL); in erst_dbg_write()
175 erst_dbg_buf_len = usize; in erst_dbg_write()
177 rc = copy_from_user(erst_dbg_buf, ubuf, usize); in erst_dbg_write()
184 if (rcd->record_length != usize) in erst_dbg_write()
191 return rc < 0 ? rc : usize; in erst_dbg_write()
/linux/lib/
A Dtest_user_copy.c110 size_t ksize, usize; in test_copy_struct_from_user() local
129 usize = size; in test_copy_struct_from_user()
134 ret |= test(copy_struct_from_user(kmem, ksize, umem, usize), in test_copy_struct_from_user()
141 usize = size / 2; in test_copy_struct_from_user()
143 memcpy(expected, umem_src, usize); in test_copy_struct_from_user()
144 memset(expected + usize, 0x0, ksize - usize); in test_copy_struct_from_user()
147 ret |= test(copy_struct_from_user(kmem, ksize, umem, usize), in test_copy_struct_from_user()
154 usize = size; in test_copy_struct_from_user()
162 usize = size; in test_copy_struct_from_user()
165 ret |= test(clear_user(umem + ksize, usize - ksize), in test_copy_struct_from_user()
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/linux/tools/testing/selftests/bpf/progs/
A Dtest_get_stack_rawtp.c62 long usize, ksize; in bpf_prog1() local
87 usize = bpf_get_stack(ctx, raw_data, max_len, BPF_F_USER_STACK); in bpf_prog1()
88 if (usize < 0) in bpf_prog1()
91 ksize = bpf_get_stack(ctx, raw_data + usize, max_len - usize, 0); in bpf_prog1()
95 total_size = usize + ksize; in bpf_prog1()
/linux/arch/x86/kernel/cpu/mce/
A Ddev-mcelog.c163 static int __mce_read_apei(char __user **ubuf, size_t usize) in __mce_read_apei() argument
169 if (usize < sizeof(struct mce)) in __mce_read_apei()
204 size_t usize, loff_t *off) in mce_chrdev_read() argument
213 err = __mce_read_apei(&buf, usize); in mce_chrdev_read()
220 if (*off != 0 || usize < mcelog->len * sizeof(struct mce)) in mce_chrdev_read()
295 size_t usize, loff_t *off) in mce_chrdev_write() argument
308 if ((unsigned long)usize > sizeof(struct mce)) in mce_chrdev_write()
309 usize = sizeof(struct mce); in mce_chrdev_write()
310 if (copy_from_user(&m, ubuf, usize)) in mce_chrdev_write()
324 return usize; in mce_chrdev_write()
/linux/include/linux/
A Duaccess.h336 size_t usize) in copy_struct_from_user() argument
338 size_t size = min(ksize, usize); in copy_struct_from_user()
339 size_t rest = max(ksize, usize) - size; in copy_struct_from_user()
342 if (usize < ksize) { in copy_struct_from_user()
344 } else if (usize > ksize) { in copy_struct_from_user()
/linux/security/landlock/
A Dsyscalls.c48 const void __user *const src, const size_t usize) in copy_min_struct_from_user() argument
58 if (usize < ksize_min) in copy_min_struct_from_user()
60 if (usize > PAGE_SIZE) in copy_min_struct_from_user()
64 return copy_struct_from_user(dst, ksize, src, usize); in copy_min_struct_from_user()
/linux/arch/x86/kernel/fpu/
A Dxstate.c1540 unsigned int usize) in fpstate_realloc() argument
1553 newfps->user_size = usize; in fpstate_realloc()
1581 static int validate_sigaltstack(unsigned int usize) in validate_sigaltstack() argument
1590 framesize += usize; in validate_sigaltstack()
1608 unsigned int ksize, usize; in __xstate_request_perm() local
1622 usize = xstate_calculate_size(mask, false); in __xstate_request_perm()
1624 ret = validate_sigaltstack(usize); in __xstate_request_perm()
1632 fpu->perm.__user_state_size = usize; in __xstate_request_perm()
1679 unsigned int ksize, usize; in xfd_enable_feature() local
1698 usize = fpu->perm.__user_state_size; in xfd_enable_feature()
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/linux/drivers/pci/pcie/
A Daer_inject.c487 size_t usize, loff_t *off) in aer_inject_write() argument
494 if (usize < offsetof(struct aer_error_inj, domain) || in aer_inject_write()
495 usize > sizeof(einj)) in aer_inject_write()
499 if (copy_from_user(&einj, ubuf, usize)) in aer_inject_write()
503 return ret ? ret : usize; in aer_inject_write()
/linux/tools/perf/util/
A Djitdump.c441 int ret, csize, usize; in jit_repipe_code_load() local
452 usize = jd->unwinding_mapped_size; in jit_repipe_code_load()
502 event->mmap2.len = usize ? ALIGN_8(csize) + usize : csize; in jit_repipe_code_load()
553 int usize; in jit_repipe_code_move() local
565 usize = jd->unwinding_mapped_size; in jit_repipe_code_move()
594 event->mmap2.len = usize ? ALIGN_8(jr->move.code_size) + usize in jit_repipe_code_move()
/linux/drivers/misc/habanalabs/common/
A Dhabanalabs_ioctl.c656 unsigned int usize, asize; in _hl_ioctl() local
677 usize = asize = _IOC_SIZE(cmd); in _hl_ioctl()
696 if (copy_from_user(kdata, (void __user *)arg, usize)) { in _hl_ioctl()
701 memset(kdata, 0, usize); in _hl_ioctl()
706 if ((cmd & IOC_OUT) && copy_to_user((void __user *)arg, kdata, usize)) in _hl_ioctl()
/linux/drivers/gpu/drm/nouveau/nvkm/subdev/fb/
A Dramgf100.c501 u64 total = 0, lcomm = ~0, lower, ubase, usize; in gf100_ram_ctor() local
520 usize = total - lower; in gf100_ram_ctor()
523 nvkm_debug(subdev, "Upper: %4lld MiB @ %010llx\n", usize >> 20, ubase); in gf100_ram_ctor()
550 (usize - rsvd_tail) >> NVKM_RAM_MM_SHIFT, 1); in gf100_ram_ctor()
/linux/drivers/xen/
A Dmcelog.c107 size_t usize, loff_t *off) in xen_mce_chrdev_read() argument
119 if (*off != 0 || usize < XEN_MCE_LOG_LEN*sizeof(struct xen_mce)) in xen_mce_chrdev_read()
/linux/arch/parisc/kernel/
A Dcache.c521 unsigned long usize = 0; in mm_total_size() local
524 usize += vma->vm_end - vma->vm_start; in mm_total_size()
525 return usize; in mm_total_size()
/linux/drivers/gpu/drm/amd/amdkfd/
A Dkfd_chardev.c1974 unsigned int usize, asize; in kfd_ioctl() local
1986 usize = asize = _IOC_SIZE(cmd); in kfd_ioctl()
2026 if (asize > usize) in kfd_ioctl()
2027 memset(kdata + usize, 0, asize - usize); in kfd_ioctl()
2031 if (copy_from_user(kdata, (void __user *)arg, usize) != 0) { in kfd_ioctl()
2036 memset(kdata, 0, usize); in kfd_ioctl()
2042 if (copy_to_user((void __user *)arg, kdata, usize) != 0) in kfd_ioctl()
/linux/fs/fat/
A Dnamei_vfat.c593 int err, ulen, usize, i; in vfat_build_slots() local
602 err = xlate_to_uni(name, len, (unsigned char *)uname, &ulen, &usize, in vfat_build_slots()
624 *nr_slots = usize / 13; in vfat_build_slots()
/linux/fs/
A Dopen.c1248 struct open_how __user *, how, size_t, usize) in SYSCALL_DEFINE4() argument
1256 if (unlikely(usize < OPEN_HOW_SIZE_VER0)) in SYSCALL_DEFINE4()
1259 err = copy_struct_from_user(&tmp, sizeof(tmp), how, usize); in SYSCALL_DEFINE4()
A Dnamespace.c4098 static int build_mount_idmapped(const struct mount_attr *attr, size_t usize, in build_mount_idmapped() argument
4153 static int build_mount_kattr(const struct mount_attr *attr, size_t usize, in build_mount_kattr() argument
4217 return build_mount_idmapped(attr, usize, kattr, flags); in build_mount_kattr()
4228 size_t, usize) in SYSCALL_DEFINE5() argument
4243 if (unlikely(usize > PAGE_SIZE)) in SYSCALL_DEFINE5()
4245 if (unlikely(usize < MOUNT_ATTR_SIZE_VER0)) in SYSCALL_DEFINE5()
4251 err = copy_struct_from_user(&attr, sizeof(attr), uattr, usize); in SYSCALL_DEFINE5()
4261 err = build_mount_kattr(&attr, usize, &kattr, flags); in SYSCALL_DEFINE5()

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