| /kernel/linux/linux-5.10/drivers/gpu/drm/nouveau/nvkm/subdev/fault/ |
| D | base.c | 30 struct nvkm_fault *fault = container_of(event, typeof(*fault), event); in nvkm_fault_ntfy_fini() local
31 fault->func->buffer.intr(fault->buffer[index], false); in nvkm_fault_ntfy_fini()
37 struct nvkm_fault *fault = container_of(event, typeof(*fault), event); in nvkm_fault_ntfy_init() local
38 fault->func->buffer.intr(fault->buffer[index], true); in nvkm_fault_ntfy_init()
65 struct nvkm_fault *fault = nvkm_fault(subdev); in nvkm_fault_intr() local
66 return fault->func->intr(fault); in nvkm_fault_intr()
72 struct nvkm_fault *fault = nvkm_fault(subdev); in nvkm_fault_fini() local
73 if (fault->func->fini) in nvkm_fault_fini()
74 fault->func->fini(fault); in nvkm_fault_fini()
81 struct nvkm_fault *fault = nvkm_fault(subdev); in nvkm_fault_init() local
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| D | gv100.c | 33 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_process()
42 const u32 base = get * buffer->fault->func->buffer.entry_size; in gv100_fault_buffer_process()
76 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_intr()
87 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_fini()
95 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_init()
107 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_info()
120 struct nvkm_fault *fault = container_of(notify, typeof(*fault), nrpfb); in gv100_fault_ntfy_nrpfb() local
121 gv100_fault_buffer_process(fault->buffer[0]); in gv100_fault_ntfy_nrpfb()
126 gv100_fault_intr_fault(struct nvkm_fault *fault) in gv100_fault_intr_fault() argument
128 struct nvkm_subdev *subdev = &fault->subdev; in gv100_fault_intr_fault()
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| D | tu102.c | 42 struct nvkm_device *device = buffer->fault->subdev.device; in tu102_fault_buffer_fini()
50 struct nvkm_device *device = buffer->fault->subdev.device; in tu102_fault_buffer_init()
62 struct nvkm_device *device = buffer->fault->subdev.device; in tu102_fault_buffer_info()
73 tu102_fault_intr_fault(struct nvkm_fault *fault) in tu102_fault_intr_fault() argument
75 struct nvkm_subdev *subdev = &fault->subdev; in tu102_fault_intr_fault()
99 tu102_fault_intr(struct nvkm_fault *fault) in tu102_fault_intr() argument
101 struct nvkm_subdev *subdev = &fault->subdev; in tu102_fault_intr()
106 tu102_fault_intr_fault(fault); in tu102_fault_intr()
112 if (fault->buffer[0]) { in tu102_fault_intr()
113 nvkm_event_send(&fault->event, 1, 0, NULL, 0); in tu102_fault_intr()
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| /kernel/linux/linux-5.10/drivers/infiniband/hw/hfi1/ |
| D | fault.c | 55 #include "fault.h"
111 if (!ibd->fault->n_rxfaults[i] && !ibd->fault->n_txfaults[i]) in _fault_stats_seq_show()
116 (unsigned long long)ibd->fault->n_rxfaults[i], in _fault_stats_seq_show()
117 (unsigned long long)ibd->fault->n_txfaults[i]); in _fault_stats_seq_show()
138 struct fault *fault = file->private_data; in fault_opcodes_write() local
180 bitmap_zero(fault->opcodes, sizeof(fault->opcodes) * in fault_opcodes_write()
190 clear_bit(i, fault->opcodes); in fault_opcodes_write()
192 set_bit(i, fault->opcodes); in fault_opcodes_write()
212 struct fault *fault = file->private_data; in fault_opcodes_read() local
213 size_t bitsize = sizeof(fault->opcodes) * BITS_PER_BYTE; in fault_opcodes_read()
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| /kernel/linux/linux-5.10/arch/powerpc/mm/ |
| D | fault.c | 6 * Derived from "arch/i386/mm/fault.c"
109 * 5. T1 : enters fault handler, takes mmap_lock, etc... in bad_access_pkey()
137 vm_fault_t fault) in do_sigbus() argument
144 if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) { in do_sigbus()
147 pr_err("MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n", in do_sigbus()
150 if (fault & VM_FAULT_HWPOISON_LARGE) in do_sigbus()
151 lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault)); in do_sigbus()
152 if (fault & VM_FAULT_HWPOISON) in do_sigbus()
165 vm_fault_t fault) in mm_fault_error() argument
168 * Kernel page fault interrupted by SIGKILL. We have no reason to in mm_fault_error()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/nouveau/ |
| D | nouveau_svm.c | 63 u8 fault; member
65 } **fault; member
155 * page fault) and maybe some other commands. in nouveau_svmm_bind()
377 /* Issue fault replay for GPU to retry accesses that faulted previously. */
388 /* Cancel a replayable fault that could not be handled.
390 * Cancelling the fault will trigger recovery to reset the engine
410 struct nouveau_svm_fault *fault) in nouveau_svm_fault_cancel_fault() argument
412 nouveau_svm_fault_cancel(svm, fault->inst, in nouveau_svm_fault_cancel_fault()
413 fault->hub, in nouveau_svm_fault_cancel_fault()
414 fault->gpc, in nouveau_svm_fault_cancel_fault()
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| /kernel/linux/linux-5.10/drivers/staging/blackbox/ |
| D | Kconfig | 9 The blackbox is a fault log collecting framework for registered modules
10 of chips. When a fault occurs, blackbox will invoke the registered
26 tristate "blackbox fault log storage by memory directly"
30 This option enables saving fault logs with memory by blackbox when a
42 tristate "blackbox fault log storage by pstore blk"
48 This option enables saving fault logs with pstore blk by blackbox when a
51 happen, then fault log can not be saved.
54 tristate "blackbox fault log storage by pstore ram"
60 This option enables saving fault logs with pstore ram by blackbox when a
64 tristate "blackbox fault log storage by RAW partition"
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| /kernel/linux/linux-5.10/Documentation/fault-injection/ |
| D | fault-injection.rst | 2 Fault injection capabilities infrastructure
8 Available fault injection capabilities
25 injects futex deadlock and uaddr fault errors.
44 - NVMe fault injection
52 Configure fault-injection capabilities behavior
58 fault-inject-debugfs kernel module provides some debugfs entries for runtime
59 configuration of fault-injection capabilities.
97 to debug the problems revealed by fault injection.
199 that the fault setup with a previous write to this file was injected.
200 A positive integer N indicates that the fault wasn't yet injected.
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| /kernel/linux/linux-5.10/drivers/iommu/amd/ |
| D | iommu_v2.c | 66 struct fault { struct
426 static void handle_fault_error(struct fault *fault) in handle_fault_error() argument
430 if (!fault->dev_state->inv_ppr_cb) { in handle_fault_error()
431 set_pri_tag_status(fault->state, fault->tag, PPR_INVALID); in handle_fault_error()
435 status = fault->dev_state->inv_ppr_cb(fault->dev_state->pdev, in handle_fault_error()
436 fault->pasid, in handle_fault_error()
437 fault->address, in handle_fault_error()
438 fault->flags); in handle_fault_error()
441 set_pri_tag_status(fault->state, fault->tag, PPR_SUCCESS); in handle_fault_error()
444 set_pri_tag_status(fault->state, fault->tag, PPR_INVALID); in handle_fault_error()
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| /kernel/linux/linux-5.10/arch/arm/mm/ |
| D | fsr-3level.c | 7 { do_bad, SIGBUS, 0, "reserved translation fault" },
8 { do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 1 translation fault" },
9 { do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 2 translation fault" },
10 { do_page_fault, SIGSEGV, SEGV_MAPERR, "level 3 translation fault" },
11 { do_bad, SIGBUS, 0, "reserved access flag fault" },
12 { do_bad, SIGSEGV, SEGV_ACCERR, "level 1 access flag fault" },
13 { do_page_fault, SIGSEGV, SEGV_ACCERR, "level 2 access flag fault" },
14 { do_page_fault, SIGSEGV, SEGV_ACCERR, "level 3 access flag fault" },
15 { do_bad, SIGBUS, 0, "reserved permission fault" },
16 { do_bad, SIGSEGV, SEGV_ACCERR, "level 1 permission fault" },
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| D | fsr-2level.c | 12 { do_translation_fault, SIGSEGV, SEGV_MAPERR, "section translation fault" },
14 { do_page_fault, SIGSEGV, SEGV_MAPERR, "page translation fault" },
16 { do_bad, SIGSEGV, SEGV_ACCERR, "section domain fault" },
18 { do_bad, SIGSEGV, SEGV_ACCERR, "page domain fault" },
20 { do_sect_fault, SIGSEGV, SEGV_ACCERR, "section permission fault" },
22 { do_page_fault, SIGSEGV, SEGV_ACCERR, "page permission fault" },
50 { do_bad, SIGSEGV, SEGV_ACCERR, "section access flag fault" },
52 { do_translation_fault, SIGSEGV, SEGV_MAPERR, "section translation fault" },
53 { do_bad, SIGSEGV, SEGV_ACCERR, "page access flag fault" },
54 { do_page_fault, SIGSEGV, SEGV_MAPERR, "page translation fault" },
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| /kernel/linux/linux-5.10/arch/powerpc/platforms/powernv/ |
| D | vas-fault.c | 3 * VAS Fault handling.
21 * The maximum FIFO size for fault window can be 8MB
23 * instance will be having fault window.
56 * Whereas if NX encounters page fault, the kernel will handle the
57 * fault and update CSB with translation error.
104 * error and fault address. If csb_addr passed by user space is in update_csb()
179 pr_err("Fault fifo size %d, Max crbs %d\n", vinst->fault_fifo_size, in dump_fifo()
183 pr_err("Fault FIFO Dump:\n"); in dump_fifo()
191 * Process valid CRBs in fault FIFO.
194 * request buffers, raises interrupt on the CPU to handle the fault.
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| /kernel/linux/linux-5.10/arch/microblaze/mm/ |
| D | fault.c | 2 * arch/microblaze/mm/fault.c
6 * Derived from "arch/ppc/mm/fault.c"
9 * Derived from "arch/i386/mm/fault.c"
71 /* Are we prepared to handle this fault? */ in bad_page_fault()
83 * The error_code parameter is ESR for a data fault,
84 * 0 for an instruction fault.
93 vm_fault_t fault; in do_page_fault() local
115 pr_emerg("Page fault in user mode with faulthandler_disabled(), mm = %p\n", in do_page_fault()
119 die("Weird page fault", regs, SIGSEGV); in do_page_fault()
130 * erroneous fault occurring in a code path which already holds mmap_lock in do_page_fault()
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| /kernel/linux/linux-5.10/arch/arm64/mm/ |
| D | fault.c | 3 * Based on arch/arm/mm/fault.c
269 * If we now have a valid translation, treat the translation fault as in is_spurious_el1_translation_fault()
276 * If we got a different type of fault from the AT instruction, in is_spurious_el1_translation_fault()
277 * treat the translation fault as spurious. in is_spurious_el1_translation_fault()
305 * Are we prepared to handle this kernel fault? in __do_kernel_fault()
312 "Ignoring spurious kernel translation fault at virtual address %016lx\n", addr)) in __do_kernel_fault()
340 * an alignment fault not caused by the memory type would take in set_thread_esr()
341 * precedence over translation fault for a real access to empty in set_thread_esr()
342 * space. Unfortunately we can't easily distinguish "alignment fault in set_thread_esr()
343 * not caused by memory type" from "alignment fault caused by memory in set_thread_esr()
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| /kernel/linux/linux-5.10/arch/m68k/mm/ |
| D | fault.c | 3 * linux/arch/m68k/mm/fault.c
62 * bit 0 == 0 means no page found, 1 means protection fault
73 vm_fault_t fault; in do_page_fault() local
76 pr_debug("do page fault:\nregs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld, %p\n", in do_page_fault()
81 * context, we must not take the fault.. in do_page_fault()
135 * If for any reason at all we couldn't handle the fault, in do_page_fault()
137 * the fault. in do_page_fault()
140 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
141 pr_debug("handle_mm_fault returns %x\n", fault); in do_page_fault()
143 if (fault_signal_pending(fault, regs)) in do_page_fault()
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| /kernel/linux/linux-5.10/arch/powerpc/lib/ |
| D | checksum_32.S | 109 EX_TABLE(8 ## n ## 0b, fault); \
110 EX_TABLE(8 ## n ## 1b, fault); \
111 EX_TABLE(8 ## n ## 2b, fault); \
112 EX_TABLE(8 ## n ## 3b, fault); \
113 EX_TABLE(8 ## n ## 4b, fault); \
114 EX_TABLE(8 ## n ## 5b, fault); \
115 EX_TABLE(8 ## n ## 6b, fault); \
116 EX_TABLE(8 ## n ## 7b, fault);
243 fault: label
247 EX_TABLE(70b, fault);
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| /kernel/linux/linux-5.10/arch/hexagon/mm/ |
| D | vm_fault.c | 3 * Memory fault handling for Hexagon
9 * Page fault handling for the Hexagon Virtual Machine.
34 * Canonical page fault handler
42 vm_fault_t fault; in do_page_fault() local
48 * then must not take the fault. in do_page_fault()
94 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
96 if (fault_signal_pending(fault, regs)) in do_page_fault()
100 if (likely(!(fault & VM_FAULT_ERROR))) { in do_page_fault()
102 if (fault & VM_FAULT_RETRY) { in do_page_fault()
118 if (fault & VM_FAULT_OOM) { in do_page_fault()
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| /kernel/linux/linux-5.10/arch/nios2/kernel/ |
| D | misaligned.c | 72 unsigned int fault; in handle_unaligned_c() local
85 fault = 0; in handle_unaligned_c()
98 fault |= __get_user(d0, (u8 *)(addr+0)); in handle_unaligned_c()
99 fault |= __get_user(d1, (u8 *)(addr+1)); in handle_unaligned_c()
111 fault |= __put_user(d0, (u8 *)(addr+0)); in handle_unaligned_c()
112 fault |= __put_user(d1, (u8 *)(addr+1)); in handle_unaligned_c()
116 fault |= __get_user(d0, (u8 *)(addr+0)); in handle_unaligned_c()
117 fault |= __get_user(d1, (u8 *)(addr+1)); in handle_unaligned_c()
133 fault |= __put_user(d0, (u8 *)(addr+0)); in handle_unaligned_c()
134 fault |= __put_user(d1, (u8 *)(addr+1)); in handle_unaligned_c()
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| /kernel/linux/linux-5.10/arch/ia64/mm/ |
| D | fault.c | 3 * MMU fault handling support.
72 vm_fault_t fault; in ia64_do_page_fault() local
82 * If we're in an interrupt or have no user context, we must not take the fault.. in ia64_do_page_fault()
89 * If fault is in region 5 and we are in the kernel, we may already in ia64_do_page_fault()
145 * If for any reason at all we couldn't handle the fault, make in ia64_do_page_fault()
147 * fault. in ia64_do_page_fault()
149 fault = handle_mm_fault(vma, address, flags, regs); in ia64_do_page_fault()
151 if (fault_signal_pending(fault, regs)) in ia64_do_page_fault()
154 if (unlikely(fault & VM_FAULT_ERROR)) { in ia64_do_page_fault()
157 * to us that made us unable to handle the page fault in ia64_do_page_fault()
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| /kernel/linux/linux-5.10/arch/alpha/mm/ |
| D | fault.c | 3 * linux/arch/alpha/mm/fault.c
65 * 2 = fault-on-read
66 * 3 = fault-on-execute
67 * 4 = fault-on-write
92 vm_fault_t fault; in do_page_fault() local
110 we must not take the fault. */ in do_page_fault()
150 /* If for any reason at all we couldn't handle the fault, in do_page_fault()
152 the fault. */ in do_page_fault()
153 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
155 if (fault_signal_pending(fault, regs)) in do_page_fault()
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| /kernel/linux/linux-5.10/Documentation/i2c/ |
| D | fault-codes.rst | 2 I2C/SMBUS Fault Codes
5 This is a summary of the most important conventions for use of fault
9 A "Fault" is not always an "Error"
11 Not all fault reports imply errors; "page faults" should be a familiar
15 recovery, triggered by a fault report, there is no error.
17 In a similar way, sometimes a "fault" code just reports one defined
23 the right fault code, so that it can (in turn) behave correctly.
26 I2C and SMBus fault codes
29 some positive number indicating a non-fault return. The specific
36 cases (unless the hardware doesn't provide unique fault reports).
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| /kernel/linux/linux-5.10/arch/x86/mm/ |
| D | fault.c | 38 * Returns 0 if mmiotrace is disabled, or if the fault is not
116 * If it was a exec (instruction fetch) fault on NX page, then in is_prefetch()
117 * do not ignore the fault: in is_prefetch()
201 * Handle a fault on the vmalloc or module mapping area
212 * unhandled page-fault when they are accessed.
423 * The OS sees this as a page fault with the upper 32bits of RIP cleared.
457 * We catch this in the page fault handler because these addresses
543 pr_alert("BUG: unable to handle page fault for address: %px\n", in show_fault_oops()
566 * contributory exception from user code and gets a page fault in show_fault_oops()
567 * during delivery, the page fault can be delivered as though in show_fault_oops()
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| /kernel/linux/linux-5.10/arch/mips/kernel/ |
| D | unaligned.c | 170 goto fault; in emulate_load_store_insn()
179 goto fault; in emulate_load_store_insn()
204 goto fault; in emulate_load_store_insn()
217 goto fault; in emulate_load_store_insn()
230 goto fault; in emulate_load_store_insn()
245 goto fault; in emulate_load_store_insn()
258 goto fault; in emulate_load_store_insn()
283 goto fault; in emulate_load_store_insn()
302 goto fault; in emulate_load_store_insn()
321 goto fault; in emulate_load_store_insn()
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| /kernel/linux/linux-5.10/arch/sh/mm/ |
| D | fault.c | 2 * Page fault handler for SH with an MMU.
7 * Based on linux/arch/i386/mm/fault.c:
157 * be another reason for the fault. Return NULL here to in vmalloc_sync_one()
158 * signal that we have not taken care of the fault. in vmalloc_sync_one()
174 * Handle a fault on the vmalloc or module mapping area
225 /* Are we prepared to handle this kernel fault? */ in no_context()
316 unsigned long address, vm_fault_t fault) in mm_fault_error() argument
322 if (fault_signal_pending(fault, regs)) { in mm_fault_error()
329 if (!(fault & VM_FAULT_RETRY)) in mm_fault_error()
332 if (!(fault & VM_FAULT_ERROR)) in mm_fault_error()
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| /kernel/linux/linux-5.10/Documentation/admin-guide/cgroup-v1/ |
| D | hugetlb.rst | 62 1. Page fault accounting
69 The HugeTLB controller allows users to limit the HugeTLB usage (page fault) per
70 control group and enforces the limit during page fault. Since HugeTLB
71 doesn't support page reclaim, enforcing the limit at page fault time implies
72 that, the application will get SIGBUS signal if it tries to fault in HugeTLB
87 group and enforces the controller limit at reservation time and at the fault of
91 MAP_NORESERVE allocations, the reservation limit behaves the same as the fault
92 limit, enforcing memory usage at fault time and causing the application to
95 Reservation limits are superior to page fault limits described above, since
99 non-HugeTLB memory for example. In the case of page fault accounting, it's very
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