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/linux-6.3-rc2/drivers/iommu/iommufd/
A Ddevice.c415 iopt_remove_access(&access->ioas->iopt, access); in iommufd_access_destroy_object()
445 access = iommufd_object_alloc(ictx, access, IOMMUFD_OBJ_ACCESS); in iommufd_access_create()
446 if (IS_ERR(access)) in iommufd_access_create()
447 return access; in iommufd_access_create()
449 access->data = data; in iommufd_access_create()
450 access->ops = ops; in iommufd_access_create()
464 rc = iopt_add_access(&access->ioas->iopt, access); in iommufd_access_create()
470 access->ictx = ictx; in iommufd_access_create()
473 return access; in iommufd_access_create()
492 was_destroyed = iommufd_object_destroy_user(access->ictx, &access->obj); in iommufd_access_destroy()
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/linux-6.3-rc2/security/
A Ddevice_cgroup.c38 short access; member
118 walk->access |= ex->access; in dev_exception_add()
146 walk->access &= ~ex->access; in dev_exception_rm()
147 if (!walk->access) { in dev_exception_rm()
254 if (access & DEVCG_ACC_READ) in set_access()
342 if (access & (~ex->access)) in match_exception()
388 if (!(access & ex->access)) in match_exception_partial()
431 refex->access); in verify_new_ex()
446 refex->access); in verify_new_ex()
834 short access) in devcgroup_legacy_check_permission() argument
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/linux-6.3-rc2/sound/core/
A Dcontrol_led.c49 unsigned int access; member
165 lctl->access = access; in snd_ctl_led_set_state()
206 if (lctl && (access == 0 || access != lctl->access)) { in snd_ctl_led_remove()
207 ret = lctl->access; in snd_ctl_led_remove()
223 if (access) in snd_ctl_led_notify()
227 access = vd->access & SNDRV_CTL_ELEM_ACCESS_LED_MASK; in snd_ctl_led_notify()
231 if (access) in snd_ctl_led_notify()
236 access = vd->access & SNDRV_CTL_ELEM_ACCESS_LED_MASK; in snd_ctl_led_notify()
237 if (access) in snd_ctl_led_notify()
258 access = vd->access & SNDRV_CTL_ELEM_ACCESS_LED_MASK; in snd_ctl_led_set_id()
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/linux-6.3-rc2/Documentation/admin-guide/LSM/
A DSmack.rst131 access
161 access to deny. The access strings may contain only the characters
224 object label, and the third the requested access. The access
239 object label, and the third the requested access. The access
306 Writing a Smack label here sets the access to '-' for all access
351 access to pieces of data. These schemes are called discretionary access
387 Enforcement and avoided by defining access controls in terms of the access
514 of access allowed. The access specification is searched for letters that
515 describe access modes:
710 write access on LABEL1, and access to the subnet @IP2/MASK if it has write
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/linux-6.3-rc2/drivers/platform/chrome/
A Dcros_ec_lpc_mec.c79 enum cros_ec_lpc_mec_emi_access_mode access, new_access; in cros_ec_lpc_io_bytes_mec() local
91 access = ACCESS_TYPE_BYTE; in cros_ec_lpc_io_bytes_mec()
93 access = ACCESS_TYPE_LONG_AUTO_INCREMENT; in cros_ec_lpc_io_bytes_mec()
98 cros_ec_lpc_mec_emi_write_address(offset, access); in cros_ec_lpc_io_bytes_mec()
126 if (new_access != access || in cros_ec_lpc_io_bytes_mec()
127 access != ACCESS_TYPE_LONG_AUTO_INCREMENT) { in cros_ec_lpc_io_bytes_mec()
128 access = new_access; in cros_ec_lpc_io_bytes_mec()
129 cros_ec_lpc_mec_emi_write_address(offset, access); in cros_ec_lpc_io_bytes_mec()
/linux-6.3-rc2/tools/testing/selftests/landlock/
A Dfs_test.c471 __u64 access; in TEST_F_FORK() local
492 for (access = 1; access <= ACCESS_LAST; access <<= 1) { in TEST_F_FORK()
554 __u64 access; member
665 .access = ACCESS_RO, in TEST_F_FORK()
688 .access = ACCESS_RO, in TEST_F_FORK()
746 .access = ACCESS_RO, in TEST_F_FORK()
1272 .access = ACCESS_RO, in TEST_F_FORK()
1310 .access = ACCESS_RO, in TEST_F_FORK()
1367 .access = ACCESS_RO, in TEST_F_FORK()
1372 .access = ACCESS_RO, in TEST_F_FORK()
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/linux-6.3-rc2/kernel/kcsan/
A Dkcsan_test.c152 } access[2]; member
191 cmp < 0 ? r->access[0].fn : r->access[1].fn, in __report_matches()
192 cmp < 0 ? r->access[1].fn : r->access[0].fn); in __report_matches()
244 r->access[i].addr, r->access[i].size); in __report_matches()
716 .access = { in test_basic()
722 .access = { in test_basic()
747 .access = { in test_concurrent_races()
754 .access = { in test_concurrent_races()
776 .access = { in test_novalue_change()
782 .access = { in test_novalue_change()
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/linux-6.3-rc2/include/linux/
A Diommufd.h45 void iommufd_access_destroy(struct iommufd_access *access);
53 int iommufd_access_pin_pages(struct iommufd_access *access, unsigned long iova,
56 void iommufd_access_unpin_pages(struct iommufd_access *access,
58 int iommufd_access_rw(struct iommufd_access *access, unsigned long iova,
73 static inline int iommufd_access_pin_pages(struct iommufd_access *access, in iommufd_access_pin_pages() argument
82 static inline void iommufd_access_unpin_pages(struct iommufd_access *access, in iommufd_access_unpin_pages() argument
88 static inline int iommufd_access_rw(struct iommufd_access *access, unsigned long iova, in iommufd_access_rw() argument
A Ddevice_cgroup.h16 short access);
19 short type, access = 0; in devcgroup_inode_permission() local
32 access |= DEVCG_ACC_WRITE; in devcgroup_inode_permission()
34 access |= DEVCG_ACC_READ; in devcgroup_inode_permission()
37 access); in devcgroup_inode_permission()
61 short access) in devcgroup_check_permission() argument
/linux-6.3-rc2/drivers/gpu/drm/nouveau/nvkm/engine/dma/
A Duser.c87 args->v0.version, args->v0.target, args->v0.access, in nvkm_dmaobj_ctor()
90 dmaobj->access = args->v0.access; in nvkm_dmaobj_ctor()
120 switch (dmaobj->access) { in nvkm_dmaobj_ctor()
122 dmaobj->access = NV_MEM_ACCESS_VM; in nvkm_dmaobj_ctor()
125 dmaobj->access = NV_MEM_ACCESS_RO; in nvkm_dmaobj_ctor()
128 dmaobj->access = NV_MEM_ACCESS_WO; in nvkm_dmaobj_ctor()
131 dmaobj->access = NV_MEM_ACCESS_RW; in nvkm_dmaobj_ctor()
/linux-6.3-rc2/arch/arm/include/asm/
A Darch_timer.h28 void arch_timer_reg_write_cp15(int access, enum arch_timer_reg reg, u64 val) in arch_timer_reg_write_cp15() argument
30 if (access == ARCH_TIMER_PHYS_ACCESS) { in arch_timer_reg_write_cp15()
42 } else if (access == ARCH_TIMER_VIRT_ACCESS) { in arch_timer_reg_write_cp15()
60 u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg) in arch_timer_reg_read_cp15() argument
64 if (access == ARCH_TIMER_PHYS_ACCESS) { in arch_timer_reg_read_cp15()
72 } else if (access == ARCH_TIMER_VIRT_ACCESS) { in arch_timer_reg_read_cp15()
/linux-6.3-rc2/drivers/infiniband/sw/rxe/
A Drxe_mw.c61 if (unlikely((mw->access & IB_ZERO_BASED))) { in rxe_check_bind_mw()
94 if (unlikely(mr->access & IB_ZERO_BASED)) { in rxe_check_bind_mw()
100 if (unlikely(!(mr->access & IB_ACCESS_MW_BIND))) { in rxe_check_bind_mw()
107 if (unlikely((mw->access & in rxe_check_bind_mw()
109 !(mr->access & IB_ACCESS_LOCAL_WRITE))) { in rxe_check_bind_mw()
116 if (mw->access & IB_ZERO_BASED) { in rxe_check_bind_mw()
141 mw->access = wqe->wr.wr.mw.access; in rxe_do_bind_mw()
245 mw->access = 0; in rxe_do_invalidate_mw()
283 struct rxe_mw *rxe_lookup_mw(struct rxe_qp *qp, int access, u32 rkey) in rxe_lookup_mw() argument
296 (mw->length == 0) || ((access & mw->access) != access) || in rxe_lookup_mw()
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A Drxe_mr.c55 u32 rkey = (access & IB_ACCESS_REMOTE) ? lkey : 0; in rxe_mr_init()
65 mr->access = access; in rxe_mr_init()
72 void rxe_mr_init_dma(int access, struct rxe_mr *mr) in rxe_mr_init_dma() argument
74 rxe_mr_init(access, mr); in rxe_mr_init_dma()
135 int access, struct rxe_mr *mr) in rxe_mr_init_user() argument
140 rxe_mr_init(access, mr); in rxe_mr_init_user()
339 int access, in copy_data() argument
387 mr = lookup_mr(pd, access, sge->lkey, in copy_data()
634 mr_pd(mr) != pd || ((access & mr->access) != access) || in lookup_mr()
695 u32 access = wqe->wr.wr.reg.access; in rxe_reg_fast_mr() local
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/linux-6.3-rc2/fs/afs/
A Dsecurity.c131 h += permits->permits[i].access; in afs_hash_permits()
233 new->permits[j].access = caller_access; in afs_cache_permit()
237 new->permits[j].access = permits->permits[i].access; in afs_cache_permit()
244 new->permits[j].access = caller_access; in afs_cache_permit()
327 *_access = permits->permits[i].access; in afs_check_permit_rcu()
367 *_access = permits->permits[i].access; in afs_check_permit()
402 afs_access_t access; in afs_permission() local
442 if (!(access & AFS_ACE_LOOKUP)) in afs_permission()
451 if (!(access & AFS_ACE_LOOKUP)) in afs_permission()
456 if (!(access & AFS_ACE_READ)) in afs_permission()
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/linux-6.3-rc2/Documentation/security/
A Dlandlock.rst12 Landlock's goal is to create scoped access-control (i.e. sandboxing). To
20 system security policy enforced by other access control mechanisms (e.g. DAC,
21 LSM). Indeed, a Landlock rule shall not interfere with other access-controls
31 Guiding principles for safe access controls
40 * Kernel access check shall not slow down access request from unsandboxed
47 Cf. `File descriptor access rights`_.
52 Inode access rights
64 File descriptor access rights
74 hierarchy doesn't grant such access right. The following sequences of
80 Similarly to file access modes (e.g. ``O_RDWR``), Landlock access rights
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/linux-6.3-rc2/Documentation/core-api/
A Dunaligned-memory-access.rst14 when it comes to memory access. This document presents some details about
19 The definition of an unaligned access
26 access.
47 of memory access. However, we must consider ALL supported architectures;
52 Why unaligned access is bad
66 unaligned access to be corrected.
76 Code that does not cause unaligned access
139 the memory access in a way that does not cause unaligned access. Of course,
145 Code that causes unaligned access
173 (Hint: it'd be an unaligned access.)
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/linux-6.3-rc2/Documentation/arm/
A Dmem_alignment.rst5 Too many problems popped up because of unnoticed misaligned memory access in
14 unaligned memory access in general. If those access are predictable, you
16 alignment trap can fixup misaligned access for the exception cases, but at
20 trap to SIGBUS any code performing unaligned access (good for debugging bad
21 code), or even fixup the access by software like for kernel code. The later
36 0 A user process performing an unaligned memory access
42 performing the unaligned access. This is of course
47 performing the unaligned access.
59 information on unaligned access occurrences plus the current mode of
/linux-6.3-rc2/drivers/dax/
A DKconfig3 tristate "DAX: direct access to differentiated memory"
9 tristate "Device DAX: direct access mapping device"
12 Support raw access to differentiated (persistence, bandwidth,
20 tristate "PMEM DAX: direct access to persistent memory"
24 Support raw access to persistent memory. Note that this
31 tristate "HMEM DAX: direct access to 'specific purpose' memory"
48 tristate "CXL DAX: direct access to CXL RAM regions"
56 instance is created to access that unmapped-by-default address range.
57 Per usual it can remain as dedicated access via a device interface, or
70 Support access to persistent, or other performance
/linux-6.3-rc2/drivers/net/dsa/sja1105/
A Dsja1105_dynamic_config.c886 .access = OP_WRITE,
910 .access = (OP_WRITE | OP_DEL),
919 .access = OP_WRITE,
927 .access = OP_WRITE,
935 .access = OP_WRITE,
943 .access = OP_WRITE,
959 .access = OP_WRITE,
1003 .access = OP_WRITE,
1051 .access = OP_WRITE,
1260 if (!(ops->access & OP_READ)) in sja1105_dynamic_config_read()
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/linux-6.3-rc2/tools/testing/selftests/bpf/progs/
A Ddev_cgroup.c17 short access = ctx->access_type >> 16; in bpf_prog1() local
32 if (access & BPF_DEVCG_ACC_READ) in bpf_prog1()
35 if (access & BPF_DEVCG_ACC_WRITE) in bpf_prog1()
38 if (access & BPF_DEVCG_ACC_MKNOD) in bpf_prog1()
/linux-6.3-rc2/tools/perf/Documentation/
A Dsecurity.txt8 Enabling LSM based mandatory access control (MAC) to perf_event_open() syscall
11 LSM hooks for mandatory access control for perf_event_open() syscall can be
13 Targeted policy with perf_event_open() access control capabilities:
127 Opening access to perf_event_open() syscall on Fedora with SELinux
133 and prevent unauthorized access to perf_event_open() syscall. In such case
139 Enforced MAC policy settings (SELinux) can limit access to performance
141 more perf_event access control information and adjusting the policy.
143 access to performance monitoring and observability operations for users
148 >= 0: Disallow raw and ftrace function tracepoint access
149 >= 1: Disallow CPU event access
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/linux-6.3-rc2/arch/arm64/include/asm/
A Darch_timer.h106 void arch_timer_reg_write_cp15(int access, enum arch_timer_reg reg, u64 val) in arch_timer_reg_write_cp15() argument
108 if (access == ARCH_TIMER_PHYS_ACCESS) { in arch_timer_reg_write_cp15()
120 } else if (access == ARCH_TIMER_VIRT_ACCESS) { in arch_timer_reg_write_cp15()
138 u64 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg) in arch_timer_reg_read_cp15() argument
140 if (access == ARCH_TIMER_PHYS_ACCESS) { in arch_timer_reg_read_cp15()
147 } else if (access == ARCH_TIMER_VIRT_ACCESS) { in arch_timer_reg_read_cp15()
/linux-6.3-rc2/drivers/hwmon/pmbus/
A Dzl6100.c25 ktime_t access; /* chip access time */ member
129 s64 delta = ktime_us_delta(ktime_get(), data->access); in zl6100_wait()
179 data->access = ktime_get(); in zl6100_read_word_data()
228 data->access = ktime_get(); in zl6100_read_byte_data()
270 data->access = ktime_get(); in zl6100_write_word_data()
286 data->access = ktime_get(); in zl6100_write_byte()
372 data->access = ktime_get(); in zl6100_probe()
407 data->access = ktime_get(); in zl6100_probe()
421 data->access = ktime_get(); in zl6100_probe()
431 data->access = ktime_get(); in zl6100_probe()
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A Dmax15301.c34 ktime_t access; /* Chip access time */ member
62 s64 delta = ktime_us_delta(ktime_get(), data->access); in max15301_wait()
84 data->access = ktime_get(); in max15301_read_word_data()
100 data->access = ktime_get(); in max15301_read_byte_data()
120 data->access = ktime_get(); in max15301_write_word_data()
136 data->access = ktime_get(); in max15301_write_byte()
/linux-6.3-rc2/fs/nfsd/
A Dlockd.c32 int access; in nlm_fopen() local
41 access = (mode == O_WRONLY) ? NFSD_MAY_WRITE : NFSD_MAY_READ; in nlm_fopen()
42 access |= NFSD_MAY_LOCK; in nlm_fopen()
43 nfserr = nfsd_open(rqstp, &fh, S_IFREG, access, filp); in nlm_fopen()

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