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/kernel/linux/linux-5.10/security/
Ddevice_cgroup.c37 short access; member
117 walk->access |= ex->access; in dev_exception_add()
145 walk->access &= ~ex->access; in dev_exception_rm()
146 if (!walk->access) { in dev_exception_rm()
249 static void set_access(char *acc, short access) in set_access() argument
253 if (access & DEVCG_ACC_READ) in set_access()
255 if (access & DEVCG_ACC_WRITE) in set_access()
257 if (access & DEVCG_ACC_MKNOD) in set_access()
301 set_access(acc, ex->access); in devcgroup_seq_show()
327 u32 major, u32 minor, short access) in match_exception() argument
[all …]
/kernel/linux/linux-5.10/kernel/kcsan/
Dkcsan-test.c142 } access[2]; member
149 const bool is_assert = (r->access[0].type | r->access[1].type) & KCSAN_ACCESS_ASSERT; in report_matches()
168 if (r->access[1].fn) { in report_matches()
173 scnprintf(tmp[0], sizeof(tmp[0]), "%pS", r->access[0].fn); in report_matches()
174 scnprintf(tmp[1], sizeof(tmp[1]), "%pS", r->access[1].fn); in report_matches()
177 cmp < 0 ? r->access[0].fn : r->access[1].fn, in report_matches()
178 cmp < 0 ? r->access[1].fn : r->access[0].fn); in report_matches()
180 scnprintf(cur, end - cur, "%pS", r->access[0].fn); in report_matches()
190 if (!r->access[1].fn) in report_matches()
195 const int ty = r->access[i].type; in report_matches()
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/kernel/linux/linux-5.10/drivers/platform/chrome/
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()
/kernel/linux/linux-5.10/Documentation/admin-guide/LSM/
DSmack.rst10 Smack is a kernel based implementation of mandatory access
33 access to systems that use them as Smack does.
50 load the Smack access rules
53 report if a process with one label has access
85 Used to make access control decisions. In almost all cases
95 label does not allow all of the access permitted to a process
102 the Smack rule (more below) that permitted the write access
110 Use the Smack label in this attribute for access control
115 Use the Smack label in this attribute for access control
131 access
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/kernel/liteos_a/kernel/extended/plimit/
Dlos_devicelimit.c150 item->access |= DEVLIMIT_ACC_READ; in ParseItemAccess()
153 item->access |= DEVLIMIT_ACC_WRITE; in ParseItemAccess()
156 item->access |= DEVLIMIT_ACC_MKNOD; in ParseItemAccess()
251 if (!(item->access & ~(walk->access))) { in DevLimitMatchItemPartial()
283 if (!(item->access & ~(walk->access))) { in DevLimitMatchItem()
326 walk->access &= ~item->access; in DevLimitAccessListRm()
327 if (!walk->access) { in DevLimitAccessListRm()
353 walk->access |= item->access; in DevLimitAccessListAdd()
488 STATIC VOID DevLimitItemSetAccess(CHAR *acc, INT16 access) in DevLimitItemSetAccess() argument
492 if (access & DEVLIMIT_ACC_READ) { in DevLimitItemSetAccess()
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/kernel/linux/linux-5.10/include/linux/
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
/kernel/linux/linux-5.10/arch/arm/include/asm/
Darch_timer.h27 void arch_timer_reg_write_cp15(int access, enum arch_timer_reg reg, u32 val) in arch_timer_reg_write_cp15() argument
29 if (access == ARCH_TIMER_PHYS_ACCESS) { in arch_timer_reg_write_cp15()
38 } else if (access == ARCH_TIMER_VIRT_ACCESS) { in arch_timer_reg_write_cp15()
53 u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg) in arch_timer_reg_read_cp15() argument
57 if (access == ARCH_TIMER_PHYS_ACCESS) { in arch_timer_reg_read_cp15()
66 } else if (access == ARCH_TIMER_VIRT_ACCESS) { in arch_timer_reg_read_cp15()
/kernel/linux/linux-5.10/drivers/gpu/drm/nouveau/nvkm/engine/dma/
Duser.c92 args->v0.version, args->v0.target, args->v0.access, in nvkm_dmaobj_ctor()
95 dmaobj->access = args->v0.access; in nvkm_dmaobj_ctor()
135 switch (dmaobj->access) { in nvkm_dmaobj_ctor()
137 dmaobj->access = NV_MEM_ACCESS_VM; in nvkm_dmaobj_ctor()
140 dmaobj->access = NV_MEM_ACCESS_RO; in nvkm_dmaobj_ctor()
143 dmaobj->access = NV_MEM_ACCESS_WO; in nvkm_dmaobj_ctor()
146 dmaobj->access = NV_MEM_ACCESS_RW; in nvkm_dmaobj_ctor()
/kernel/linux/linux-5.10/fs/afs/
Dsecurity.c131 h += permits->permits[i].access; in afs_hash_permits()
168 if (permits->permits[i].access != caller_access) { in afs_cache_permit()
234 new->permits[j].access = caller_access; in afs_cache_permit()
238 new->permits[j].access = permits->permits[i].access; in afs_cache_permit()
245 new->permits[j].access = caller_access; in afs_cache_permit()
328 *_access = permits->permits[i].access; in afs_check_permit_rcu()
368 *_access = permits->permits[i].access; in afs_check_permit()
402 afs_access_t access; in afs_permission() local
416 !afs_check_permit_rcu(vnode, key, &access)) in afs_permission()
430 ret = afs_check_permit(vnode, key, &access); in afs_permission()
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/kernel/linux/linux-5.10/Documentation/core-api/
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.
28 The above may seem a little vague, as memory access can happen in different
32 which will compile to multiple-byte memory access instructions, namely when
47 of memory access. However, we must consider ALL supported architectures;
52 Why unaligned access is bad
55 The effects of performing an unaligned memory access vary from architecture
62 happen. The exception handler is able to correct the unaligned access,
66 unaligned access to be corrected.
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/kernel/linux/linux-5.10/Documentation/arm/
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
/kernel/linux/linux-5.10/drivers/infiniband/sw/rxe/
Drxe_mr.c50 static void rxe_mem_init(int access, struct rxe_mem *mem) in rxe_mem_init() argument
53 u32 rkey = (access & IB_ACCESS_REMOTE) ? lkey : 0; in rxe_mem_init()
116 int access, struct rxe_mem *mem) in rxe_mem_init_dma() argument
118 rxe_mem_init(access, mem); in rxe_mem_init_dma()
121 mem->access = access; in rxe_mem_init_dma()
127 u64 length, u64 iova, int access, struct ib_udata *udata, in rxe_mem_init_user() argument
138 umem = ib_umem_get(pd->ibpd.device, start, length, access); in rxe_mem_init_user()
149 rxe_mem_init(access, mem); in rxe_mem_init_user()
191 mem->access = access; in rxe_mem_init_user()
404 int access, in copy_data() argument
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/kernel/liteos_m/testsuites/unittest/posix/src/fs/api/
Dposix_fs_access_test.c46 ret = access(tmpFileName, F_OK);
50 ret = access(tmpFileName, R_OK);
53 ret = access(tmpFileName, W_OK);
56 ret = access(tmpFileName, X_OK);
79 int32_t ret = access(tmpFileName, F_OK);
/kernel/liteos_a/testsuites/unittest/container/smoke/
DIt_mnt_container_006.cpp41 ret = access(ACCESS_FILE_NAME, F_OK); in ChildFunc()
51 ret = access(ACCESS_FILE_NAME, F_OK); in ChildFunc()
61 ret = access(ACCESS_FILE_NAME, F_OK); in ChildFunc()
86 ret = access(ACCESS_FILE_NAME, F_OK); in ItMntContainer006()
101 ret = access(ACCESS_FILE_NAME, F_OK); in ItMntContainer006()
DIt_mnt_container_001.cpp42 ret = access(ACCESS_FILE_NAME, F_OK); in ChildFunc()
52 ret = access(ACCESS_FILE_NAME, F_OK); in ChildFunc()
73 ret = access(ACCESS_FILE_NAME, F_OK); in ItMntContainer001()
89 ret = access(ACCESS_FILE_NAME, F_OK); in ItMntContainer001()
95 ret = access(ACCESS_FILE_NAME, F_OK); in ItMntContainer001()
DIt_mnt_container_005.cpp39 ret = access(ACCESS_FILE_NAME, F_OK); in MntContainerUnshare()
45 ret = access(ACCESS_FILE_NAME, F_OK); in MntContainerUnshare()
51 ret = access(ACCESS_FILE_NAME, F_OK); in MntContainerUnshare()
57 ret = access(ACCESS_FILE_NAME, F_OK); in MntContainerUnshare()
DIt_mnt_container_002.cpp42 ret = access(ACCESS_FILE_NAME, F_OK); in ChildFunc()
52 ret = access(ACCESS_FILE_NAME, F_OK); in ChildFunc()
83 ret = access(ACCESS_FILE_NAME, F_OK); in ItMntContainer002()
98 ret = access(ACCESS_FILE_NAME, F_OK); in ItMntContainer002()
DIt_container_chroot_001.cpp47 ret = access(ACCESS_FILE_NAME, F_OK); in ChildFunc()
57 ret = access(ACCESS_FILE_NAME, F_OK); in ChildFunc()
62 ret = access(MNT_ACCESS_FILE_NAME, F_OK); in ChildFunc()
98 ret = access(ACCESS_FILE_NAME, F_OK); in ItContainerChroot001()
/kernel/linux/linux-5.10/tools/testing/selftests/bpf/progs/
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()
/kernel/liteos_a/testsuites/unittest/process/plimits/smoke/
DIt_process_plimits_ipc_003.cpp52 int fd = access(configFileMqCount.c_str(), F_OK | W_OK | R_OK); in ItProcessPlimitsIpc003()
55 fd = access(configFileShmSize.c_str(), F_OK | W_OK | R_OK); in ItProcessPlimitsIpc003()
58 fd = access(configFileStat.c_str(), F_OK | R_OK); in ItProcessPlimitsIpc003()
61 fd = access(configFileStat.c_str(), W_OK | X_OK); in ItProcessPlimitsIpc003()
/kernel/linux/linux-5.10/tools/perf/Documentation/
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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/kernel/linux/linux-5.10/drivers/net/dsa/sja1105/
Dsja1105_dynamic_config.c660 .access = OP_WRITE,
668 .access = (OP_READ | OP_WRITE | OP_DEL),
676 .access = (OP_READ | OP_WRITE),
684 .access = (OP_WRITE | OP_DEL),
693 .access = OP_WRITE,
701 .access = OP_WRITE,
709 .access = OP_WRITE,
717 .access = OP_WRITE,
725 .access = (OP_WRITE | OP_DEL),
733 .access = OP_WRITE,
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/kernel/linux/linux-5.10/arch/arm64/include/asm/
Darch_timer.h105 void arch_timer_reg_write_cp15(int access, enum arch_timer_reg reg, u32 val) in arch_timer_reg_write_cp15() argument
107 if (access == ARCH_TIMER_PHYS_ACCESS) { in arch_timer_reg_write_cp15()
116 } else if (access == ARCH_TIMER_VIRT_ACCESS) { in arch_timer_reg_write_cp15()
131 u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg) in arch_timer_reg_read_cp15() argument
133 if (access == ARCH_TIMER_PHYS_ACCESS) { in arch_timer_reg_read_cp15()
140 } else if (access == ARCH_TIMER_VIRT_ACCESS) { in arch_timer_reg_read_cp15()
/kernel/linux/linux-5.10/arch/x86/kvm/mmu/
Dpaging_tmpl.h105 static inline void FNAME(protect_clean_gpte)(struct kvm_mmu *mmu, unsigned *access, in FNAME()
120 *access &= mask; in FNAME()
216 unsigned access; in FNAME() local
218 access = ((gpte & VMX_EPT_WRITABLE_MASK) ? ACC_WRITE_MASK : 0) | in FNAME()
224 access = gpte & (PT_WRITABLE_MASK | PT_USER_MASK | PT_PRESENT_MASK); in FNAME()
226 access ^= (gpte >> PT64_NX_SHIFT); in FNAME()
229 return access; in FNAME()
310 gpa_t addr, u32 access) in FNAME()
323 const int write_fault = access & PFERR_WRITE_MASK; in FNAME()
324 const int user_fault = access & PFERR_USER_MASK; in FNAME()
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/kernel/linux/linux-5.10/drivers/thermal/st/
DKconfig13 tristate "STi series syscfg register access based thermal sensors"
17 tristate "STi series memory mapped access based thermal sensors"
25 SoCs. This thermal driver allows to access to general thermal framework
26 functionalities and to access to SoC sensor functionalities. This

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