| /kernel/linux/linux-6.6/Documentation/dev-tools/ |
| D | kasan.rst | 5 --------
8 designed to find out-of-bounds and use-after-free bugs.
13 2. Software Tag-Based KASAN
14 3. Hardware Tag-Based KASAN
20 Software Tag-Based KASAN or SW_TAGS KASAN, enabled with CONFIG_KASAN_SW_TAGS,
23 using it for testing on memory-restricted devices with real workloads.
25 Hardware Tag-Based KASAN or HW_TAGS KASAN, enabled with CONFIG_KASAN_HW_TAGS,
26 is the mode intended to be used as an in-field memory bug detector or as a
34 The Generic and the Software Tag-Based modes are commonly referred to as the
35 software modes. The Software Tag-Based and the Hardware Tag-Based modes are
[all …]
|
| /kernel/linux/linux-5.10/include/trace/events/ |
| D | pagemap.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
19 #define trace_pagemap_flags(page) ( \ argument
20 (PageAnon(page) ? PAGEMAP_ANONYMOUS : PAGEMAP_FILE) | \
21 (page_mapped(page) ? PAGEMAP_MAPPED : 0) | \
22 (PageSwapCache(page) ? PAGEMAP_SWAPCACHE : 0) | \
23 (PageSwapBacked(page) ? PAGEMAP_SWAPBACKED : 0) | \
24 (PageMappedToDisk(page) ? PAGEMAP_MAPPEDDISK : 0) | \
25 (page_has_private(page) ? PAGEMAP_BUFFERS : 0) \
31 struct page *page,
35 TP_ARGS(page, lru),
[all …]
|
| /kernel/linux/linux-5.10/Documentation/dev-tools/ |
| D | kasan.rst | 5 --------
8 find out-of-bound and use-after-free bugs. KASAN has two modes: generic KASAN
9 (similar to userspace ASan) and software tag-based KASAN (similar to userspace
12 KASAN uses compile-time instrumentation to insert validity checks before every
17 out-of-bounds accesses for global variables is only supported since Clang 11.
19 Tag-based KASAN is only supported in Clang.
22 and riscv architectures, and tag-based KASAN is supported only for arm64.
25 -----
32 CONFIG_KASAN_SW_TAGS (to enable software tag-based KASAN).
36 smaller binary while the latter is 1.1 - 2 times faster.
[all …]
|
| /kernel/linux/linux-6.6/drivers/net/ethernet/chelsio/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
26 This driver supports Chelsio gigabit and 10-gigabit
34 For customer support, please visit our customer support page at
37 Please send feedback to <linux-bugs@chelsio.com>.
55 This driver supports Chelsio T3-based gigabit and 10Gb Ethernet
61 For customer support, please visit our customer support page at
64 Please send feedback to <linux-bugs@chelsio.com>.
77 This driver supports Chelsio T4, T5 & T6 based gigabit, 10Gb Ethernet
78 adapter and T5/T6 based 40Gb and T6 based 25Gb, 50Gb and 100Gb
84 For customer support, please visit our customer support page at
[all …]
|
| /kernel/linux/linux-5.10/drivers/net/ethernet/chelsio/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
26 This driver supports Chelsio gigabit and 10-gigabit
34 For customer support, please visit our customer support page at
37 Please send feedback to <linux-bugs@chelsio.com>.
55 This driver supports Chelsio T3-based gigabit and 10Gb Ethernet
61 For customer support, please visit our customer support page at
64 Please send feedback to <linux-bugs@chelsio.com>.
76 This driver supports Chelsio T4, T5 & T6 based gigabit, 10Gb Ethernet
77 adapter and T5/T6 based 40Gb and T6 based 25Gb, 50Gb and 100Gb
83 For customer support, please visit our customer support page at
[all …]
|
| /kernel/linux/linux-5.10/include/drm/ |
| D | drm_vma_manager.h | 83 * drm_vma_offset_exact_lookup_locked() - Look up node by exact address
85 * @start: Start address (page-based, not byte-based)
86 * @pages: Size of object (page-based)
102 return (node && node->vm_node.start == start) ? node : NULL; in drm_vma_offset_exact_lookup_locked()
106 * drm_vma_offset_lock_lookup() - Lock lookup for extended private use
119 * Note: You're in atomic-context while holding this lock!
123 read_lock(&mgr->vm_lock); in drm_vma_offset_lock_lookup()
127 * drm_vma_offset_unlock_lookup() - Unlock lookup for extended private use
130 * Release lookup-lock. See drm_vma_offset_lock_lookup() for more information.
134 read_unlock(&mgr->vm_lock); in drm_vma_offset_unlock_lookup()
[all …]
|
| /kernel/linux/linux-6.6/mm/kasan/ |
| D | hw_tags.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * This file contains core hardware tag-based KASAN code.
84 return -EINVAL; in early_kasan_flag()
91 return -EINVAL; in early_kasan_flag()
101 return -EINVAL; in early_kasan_mode()
110 return -EINVAL; in early_kasan_mode()
120 return -EINVAL; in early_kasan_flag_vmalloc()
127 return -EINVAL; in early_kasan_flag_vmalloc()
149 return -EINVAL; in early_kasan_flag_page_alloc_sample()
157 return -EINVAL; in early_kasan_flag_page_alloc_sample()
[all …]
|
| D | kasan_test.c | 1 // SPDX-License-Identifier: GPL-2.0-only
29 #include <asm/page.h>
37 /* Fields set based on lines observed in the console. */
63 return -1; in kasan_suite_init()
70 * Temporarily enable multi-shot mode. Otherwise, KASAN would only in kasan_suite_init()
94 * KUNIT_EXPECT_KASAN_FAIL() - check that the executed expression produces a
99 * For hardware tag-based KASAN, when a synchronous tag fault happens, tag
100 * checking is auto-disabled. When this happens, this test handler reenables
162 size_t size = 128 - KASAN_GRANULE_SIZE - 5; in kmalloc_oob_right()
176 * An aligned access into the first out-of-bounds granule that falls in kmalloc_oob_right()
[all …]
|
| /kernel/linux/linux-6.6/include/drm/ |
| D | drm_vma_manager.h | 84 * drm_vma_offset_exact_lookup_locked() - Look up node by exact address
86 * @start: Start address (page-based, not byte-based)
87 * @pages: Size of object (page-based)
103 return (node && node->vm_node.start == start) ? node : NULL; in drm_vma_offset_exact_lookup_locked()
107 * drm_vma_offset_lock_lookup() - Lock lookup for extended private use
120 * Note: You're in atomic-context while holding this lock!
124 read_lock(&mgr->vm_lock); in drm_vma_offset_lock_lookup()
128 * drm_vma_offset_unlock_lookup() - Unlock lookup for extended private use
131 * Release lookup-lock. See drm_vma_offset_lock_lookup() for more information.
135 read_unlock(&mgr->vm_lock); in drm_vma_offset_unlock_lookup()
[all …]
|
| /kernel/linux/linux-6.6/Documentation/mm/ |
| D | multigen_lru.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 Multi-Gen LRU
6 The multi-gen LRU is an alternative LRU implementation that optimizes
7 page reclaim and improves performance under memory pressure. Page
14 ----------
20 * Simple self-correcting heuristics
23 implementations. In the multi-gen LRU, each generation represents a
25 (time-based) common frame of reference and therefore help make better
30 accessed bit. A rmap walk targets a single page and does not try to
31 profit from discovering a young PTE. A page table walk can sweep all
[all …]
|
| /kernel/linux/linux-6.6/Documentation/virt/hyperv/ |
| D | clocks.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 -----
8 On arm64, Hyper-V virtualizes the ARMv8 architectural system counter
12 architectural system counter is functional in guest VMs on Hyper-V.
13 While Hyper-V also provides a synthetic system clock and four synthetic
14 per-CPU timers as described in the TLFS, they are not used by the
15 Linux kernel in a Hyper-V guest on arm64. However, older versions
16 of Hyper-V for arm64 only partially virtualize the ARMv8
19 Linux kernel versions on these older Hyper-V versions requires an
20 out-of-tree patch to use the Hyper-V synthetic clocks/timers instead.
[all …]
|
| /kernel/linux/linux-6.6/drivers/gpu/drm/amd/amdkfd/ |
| D | Kconfig | 1 # SPDX-License-Identifier: MIT
16 bool "Enable HMM-based shared virtual memory manager"
23 memory manager supports two modes of operation. One based on
24 preemptions and one based on page faults. To enable page fault
25 based memory management on most GFXv9 GPUs, set the module
29 bool "HSA kernel driver support for peer-to-peer for AMD GPU devices"
32 Enable peer-to-peer (P2P) communication between AMD GPUs over
33 the PCIe bus. This can improve performance of multi-GPU compute
|
| /kernel/linux/linux-6.6/include/xen/arm/ |
| D | page.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <asm/page.h>
9 #include <linux/dma-mapping.h>
22 /* Xen pseudo-physical address */
33 * The pseudo-physical frame (pfn) used in all the helpers is always based
34 * on Xen page granularity (i.e 4KB).
36 * A Linux page may be split across multiple non-contiguous Xen page so we
37 * have to keep track with frame based on 4KB page granularity.
46 /* Pseudo-physical <-> Guest conversion */
57 /* Pseudo-physical <-> BUS conversion */
[all …]
|
| /kernel/linux/linux-6.6/include/linux/ |
| D | bvec.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
17 struct page;
20 * struct bio_vec - a contiguous range of physical memory addresses
21 * @bv_page: First page associated with the address range.
32 struct page *bv_page;
38 * bvec_set_page - initialize a bvec based off a struct page
40 * @page: page the bvec should point to
42 * @offset: offset into the page
44 static inline void bvec_set_page(struct bio_vec *bv, struct page *page, in bvec_set_page() argument
47 bv->bv_page = page; in bvec_set_page()
[all …]
|
| /kernel/linux/linux-5.10/include/xen/arm/ |
| D | page.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <asm/page.h>
9 #include <linux/dma-mapping.h>
22 /* Xen pseudo-physical address */
33 * The pseudo-physical frame (pfn) used in all the helpers is always based
34 * on Xen page granularity (i.e 4KB).
36 * A Linux page may be split across multiple non-contiguous Xen page so we
37 * have to keep track with frame based on 4KB page granularity.
46 /* Pseudo-physical <-> Guest conversion */
57 /* Pseudo-physical <-> BUS conversion */
[all …]
|
| /kernel/linux/linux-5.10/Documentation/driver-api/ |
| D | mtdnand.rst | 10 The generic NAND driver supports almost all NAND and AG-AND based chips
31 --------------------------
37 - [MTD Interface]
43 - [NAND Interface]
48 - [GENERIC]
53 - [DEFAULT]
65 -------------------------------
71 - [INTERN]
77 - [REPLACEABLE]
86 - [BOARDSPECIFIC]
[all …]
|
| /kernel/linux/linux-6.6/Documentation/driver-api/ |
| D | mtdnand.rst | 10 The generic NAND driver supports almost all NAND and AG-AND based chips
31 --------------------------
37 - [MTD Interface]
43 - [NAND Interface]
48 - [GENERIC]
53 - [DEFAULT]
65 -------------------------------
71 - [INTERN]
77 - [REPLACEABLE]
86 - [BOARDSPECIFIC]
[all …]
|
| /kernel/linux/linux-6.6/Documentation/admin-guide/mm/ |
| D | numa_memory_policy.rst | 10 supported platforms with Non-Uniform Memory Access architectures since 2.4.?.
16 (``Documentation/admin-guide/cgroup-v1/cpusets.rst``)
19 programming interface that a NUMA-aware application can take advantage of. When
28 ------------------------
35 that governs all page allocations that aren't controlled by
41 not to overload the initial boot node with boot-time
45 this is an optional, per-task policy. When defined for a
46 specific task, this policy controls all page allocations made
49 all page allocations that would have been controlled by the
61 In a multi-threaded task, task policies apply only to the thread
[all …]
|
| /kernel/linux/linux-5.10/include/linux/ |
| D | fsverity.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * fs-verity: read-only file-based authenticity protection
6 * filesystems that support fs-verity.
25 * The filesystem must do any needed filesystem-specific preparations
27 * -EBUSY if verity is already being enabled on the given file.
31 * Return: 0 on success, -errno on failure
45 * verity descriptor to a fs-specific location associated with the inode
46 * and do any fs-specific actions needed to mark the inode as a verity
47 * inode, e.g. setting a bit in the on-disk inode. The filesystem is
51 * ->begin_enable_verity() and ->end_enable_verity().
[all …]
|
| /kernel/linux/linux-5.10/Documentation/admin-guide/mm/ |
| D | numa_memory_policy.rst | 12 supported platforms with Non-Uniform Memory Access architectures since 2.4.?.
18 (``Documentation/admin-guide/cgroup-v1/cpusets.rst``)
21 programming interface that a NUMA-aware application can take advantage of. When
30 ------------------------
37 that governs all page allocations that aren't controlled by
43 not to overload the initial boot node with boot-time
47 this is an optional, per-task policy. When defined for a
48 specific task, this policy controls all page allocations made
51 all page allocations that would have been controlled by the
63 In a multi-threaded task, task policies apply only to the thread
[all …]
|
| /kernel/linux/linux-5.10/arch/loongarch/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
149 bool "Loongson 64-bit family of machines"
170 This enables the support of Loongson 64-bit family of machines. These
171 machines are based on new Loongson-3 processors (Old Loongson is MIPS
172 compatible, while new Loongson is based on LoongArch ISA).
191 def_bool $(as-instr,x:pcalau12i \$t0$(comma)%pc_hi20(x))
221 bool "Loongson 64-bit CPU"
232 The Loongson 64-bit processor implements the LoongArch64 (the 64-bit
270 actually benefits from 64-bit processing or if your machine has
272 menu if your system does not support both 32-bit and 64-bit kernels.
[all …]
|
| /kernel/linux/linux-6.6/mm/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
33 compress them into a dynamically allocated RAM-based memory pool.
65 If exclusive loads are enabled, when a page is loaded from zswap,
69 This avoids having two copies of the same page in memory
70 (compressed and uncompressed) after faulting in a page from zswap.
71 The cost is that if the page was never dirtied and needs to be
72 swapped out again, it will be re-compressed.
84 available at the following LWN page:
190 page. While this design limits storage density, it has simple and
200 linux-mm@kvack.org and the zswap maintainers.
[all …]
|
| /kernel/linux/linux-6.6/Documentation/mm/damon/ |
| D | design.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 - Operations Set: Implements fundamental operations for DAMON that depends on
14 the given monitoring target address-space and available set of
16 - Core: Implements core logics including monitoring overhead/accurach control
17 and access-aware system operations on top of the operations set layer, and
18 - Modules: Implements kernel modules for various purposes that provides
23 ---------------------------
45 --------------------
66 VMA-based Target Address Range Construction
67 -------------------------------------------
[all …]
|
| /kernel/linux/linux-6.6/drivers/clocksource/ |
| D | hyperv_timer.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * provided by the Hyper-V hypervisor to guest VMs, as described
6 * in the Hyper-V Top Level Functional Spec (TLFS). This driver
26 #include <asm/hyperv-tlfs.h>
36 * mechanism is used when running on older versions of Hyper-V
37 * that don't support Direct Mode. While Hyper-V provides
44 * However, for legacy versions of Hyper-V when Direct Mode
51 static int stimer0_irq = -1;
64 ce->event_handler(ce); in hv_stimer0_isr()
70 * per-cpu interrupts, which also implies Direct Mode.
[all …]
|
| /kernel/linux/linux-6.6/arch/arm64/include/asm/ |
| D | page.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Based on arch/arm/include/asm/page.h
5 * Copyright (C) 1995-2003 Russell King
11 #include <asm/page-def.h>
17 #include <asm/pgtable-types.h>
19 struct page;
25 void copy_user_highpage(struct page *to, struct page *from,
29 void copy_highpage(struct page *to, struct page *from);
36 void tag_clear_highpage(struct page *to);
39 #define clear_user_page(page, vaddr, pg) clear_page(page) argument
[all …]
|