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/linux-6.14.4/arch/arm/kernel/
Dmodule.c1 // SPDX-License-Identifier: GPL-2.0-only
42 * A single PC-relative symbol reference is divided in up to 3 add or subtract
52 * -/+ 256 MiB, (2x8 + 12 == 28 bits), which means it has sufficient range for
53 * any in-kernel symbol reference (unless module PLTs are being used).
56 * load is that literal loads may miss in the D-cache, and generally lead to
57 * lower cache efficiency for variables that are referenced often from many
65 shift = val ? (31 - __fls(val)) & ~1 : 32; in get_group_rem()
70 } while (group--); in get_group_rem()
81 Elf32_Shdr *dstsec = sechdrs + relsec->sh_info; in apply_relocate()
82 Elf32_Rel *rel = (void *)relsec->sh_addr; in apply_relocate()
[all …]
/linux-6.14.4/fs/overlayfs/
Dparams.c1 // SPDX-License-Identifier: GPL-2.0-only
80 return ovl_parameter_uuid[config->uuid].name; in ovl_uuid_mode()
97 return ovl_parameter_xino[config->xino].name; in ovl_xino_mode()
115 return ovl_parameter_redirect_dir[config->redirect_mode].name; in ovl_redirect_mode()
134 return ovl_parameter_verity[config->verity_mode].name; in ovl_verity_mode()
204 return -EINVAL; in ovl_parse_param_split_lowerdirs()
219 return -EINVAL; in ovl_parse_param_split_lowerdirs()
231 int err = -EINVAL; in ovl_mount_dir_noesc()
263 int err = -ENOMEM; in ovl_mount_dir()
277 struct ovl_fs_context *ctx = fc->fs_private; in ovl_mount_dir_check()
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Dexport.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Copyright (C) 2017-2018 CTERA Networks. All Rights Reserved.
36 * Before encoding a non-upper directory file handle from real layer N, we need
38 * lower decoded dentry. This is done by following the overlay ancestry up to a
48 * copied up and renamed, upper dir /a will be indexed by lower dir /a from
51 * dentry from the connected lower dentry /a/b/c.
56 * and when the time comes to decode the file handle from lower dentry /a/b/c,
61 * entry /a in the lower layers above layer N and find the indexed dir /a from
63 * will need to verify there are no redirects in lower layers above N. In the
77 if (dentry == dentry->d_sb->s_root) in ovl_connectable_layer()
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
7 An overlay filesystem combines two filesystems - an 'upper' filesystem
8 and a 'lower' filesystem. When a name exists in both filesystems, the
10 'lower' filesystem is either hidden or, in the case of directories,
20 redirects when renaming directories by default. In this case it is
51 the index directory to map lower inodes to upper inodes by default.
52 In this case it is still possible to turn off index globally with the
56 The inodes index feature prevents breaking of lower hardlinks on copy
73 In this case, it is still possible to turn off NFS export support
80 the same lower dir. The full index may incur some overhead on mount
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Dinode.c1 // SPDX-License-Identifier: GPL-2.0-only
25 struct ovl_fs *ofs = OVL_FS(dentry->d_sb); in ovl_setattr()
34 if (attr->ia_valid & ATTR_SIZE) { in ovl_setattr()
48 if (attr->ia_valid & ATTR_SIZE) { in ovl_setattr()
55 if (attr->ia_valid & (ATTR_KILL_SUID|ATTR_KILL_SGID)) in ovl_setattr()
56 attr->ia_valid &= ~ATTR_MODE; in ovl_setattr()
61 * filesystem rely on attr->ia_file in ovl_setattr()
63 attr->ia_valid &= ~ATTR_FILE; in ovl_setattr()
66 * If open(O_TRUNC) is done, VFS calls ->setattr with ATTR_OPEN in ovl_setattr()
68 * filesystem during open -> do not pass ATTR_OPEN. This in ovl_setattr()
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Dnamei.c1 // SPDX-License-Identifier: GPL-2.0-only
37 struct ovl_fs *ofs = OVL_FS(d->sb); in ovl_check_redirect()
39 d->absolute_redirect = false; in ovl_check_redirect()
45 d->absolute_redirect = true; in ovl_check_redirect()
49 * that will stop further lookup in lower layers (d->stop=true) in ovl_check_redirect()
51 * element and that should force continue lookup in lower in ovl_check_redirect()
52 * layers (reset d->stop). in ovl_check_redirect()
54 d->stop = false; in ovl_check_redirect()
58 memcpy(buf, d->name.name, prelen); in ovl_check_redirect()
62 kfree(d->redirect); in ovl_check_redirect()
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Dsuper.c1 // SPDX-License-Identifier: GPL-2.0-only
33 struct dentry *upper, *lower; in ovl_d_real() local
37 case D_REAL_DATA: in ovl_d_real()
38 case D_REAL_METADATA: in ovl_d_real()
55 lower = ovl_dentry_lower(dentry); in ovl_d_real()
60 * Best effort lazy lookup of lowerdata for D_REAL_DATA case to return in ovl_d_real()
70 lower = ovl_dentry_lowerdata(dentry); in ovl_d_real()
71 if (!lower) in ovl_d_real()
75 /* Handle recursion into stacked lower fs */ in ovl_d_real()
76 return d_real(lower, type); in ovl_d_real()
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/linux-6.14.4/Documentation/filesystems/
Doverlayfs.rst1 .. SPDX-License-Identifier: GPL-2.0
10 overlay-filesystem functionality in Linux (sometimes referred to as
11 union-filesystems). An overlay-filesystem tries to present a
17 ---------------
25 While directories will report an st_dev from the overlay-filesystem,
26 non-directory objects may report an st_dev from the lower filesystem or
29 over the lifetime of a non-directory object. Many applications and
32 In the special case of all overlay layers on the same underlying
44 underlying filesystems rarely use the high inode number bits. In case
48 The "xino" feature can be enabled with the "-o xino=on" overlay mount option.
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/linux-6.14.4/drivers/net/ethernet/mellanox/mlx5/core/en/rep/
Dbridge.c1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
26 return esw == priv->mdev->priv.eswitch; in mlx5_esw_bridge_dev_same_esw()
35 mdev = priv->mdev; in mlx5_esw_bridge_dev_same_hw()
36 esw_mdev = esw->dev; in mlx5_esw_bridge_dev_same_hw()
47 struct net_device *lower; in mlx5_esw_bridge_lag_rep_get() local
50 netdev_for_each_lower_dev(dev, lower, iter) { in mlx5_esw_bridge_lag_rep_get()
51 if (!mlx5e_eswitch_rep(lower)) in mlx5_esw_bridge_lag_rep_get()
54 if (mlx5_esw_bridge_dev_same_esw(lower, esw)) in mlx5_esw_bridge_lag_rep_get()
55 return lower; in mlx5_esw_bridge_lag_rep_get()
76 if (!priv->mdev->priv.eswitch->br_offloads) in mlx5_esw_bridge_rep_vport_num_vhca_id_get()
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/linux-6.14.4/tools/testing/selftests/powerpc/pmu/ebb/
Debb.c1 // SPDX-License-Identifier: GPL-2.0-only
37 /* 2) clear MMCR0[PMAO] - docs say BESCR[PMEO] should do this */ in reset_ebb_with_clear_mask()
38 /* 3) set MMCR0[PMAE] - docs say BESCR[PME] should do this */ in reset_ebb_with_clear_mask()
48 /* 6) rfebb 1 - done in our caller */ in reset_ebb_with_clear_mask()
73 u64 count, upper, lower; in ebb_check_count() local
77 lower = ebb_state.stats.ebb_count * (sample_period - fudge); in ebb_check_count()
79 if (count < lower) { in ebb_check_count()
80 printf("PMC%d count (0x%llx) below lower limit 0x%llx (-0x%llx)\n", in ebb_check_count()
81 pmc, count, lower, lower - count); in ebb_check_count()
89 pmc, count, upper, count - upper); in ebb_check_count()
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/linux-6.14.4/fs/ecryptfs/
Dfile.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 1997-2004 Erez Zadok
6 * Copyright (C) 2001-2004 Stony Brook University
7 * Copyright (C) 2004-2007 International Business Machines Corp.
26 * doesn't give us a chance to update the atime of the lower layer
28 * updates the atime of the lower level inode if generic_file_read
37 struct file *file = iocb->ki_filp; in ecryptfs_read_update_atime()
41 path = ecryptfs_dentry_to_lower_path(file->f_path.dentry); in ecryptfs_read_update_atime()
51 * doesn't give us a chance to update the atime of the lower layer inode. This
53 * lower level inode if generic_file_read returns without any errors. This is
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Dmain.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 1997-2003 Erez Zadok
6 * Copyright (C) 2001-2003 Stony Brook University
7 * Copyright (C) 2004-2007 International Business Machines Corp.
86 * the lower dentry and the lower mount set
88 * eCryptfs only ever keeps a single open file for every lower
89 * inode. All I/O operations to the lower inode occur through that
91 * lower dentry for that inode is created, this function creates the
92 * lower file struct and associates it with the eCryptfs
96 * The lower file will be opened with read/write permissions, if
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/linux-6.14.4/fs/smb/server/
Dunicode.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * cifs_unicode: Unicode kernel case support
7 * Convert a unicode character to upper or lower case using
17 * The upper/lower functions are based on a table created by mkupr.
18 * This is a compressed table of upper and lower case conversion.
/linux-6.14.4/drivers/net/ethernet/microchip/lan966x/
Dlan966x_lag.c1 // SPDX-License-Identifier: GPL-2.0+
9 u32 visited = GENMASK(lan966x->num_phys_ports - 1, 0); in lan966x_lag_set_aggr_pgids()
13 for (p = 0; p < lan966x->num_phys_ports; ++p) in lan966x_lag_set_aggr_pgids()
29 for (p = 0; p < lan966x->num_phys_ports; ++p) { in lan966x_lag_set_aggr_pgids()
30 struct lan966x_port *port = lan966x->ports[p]; in lan966x_lag_set_aggr_pgids()
32 if (!port || !port->bond) in lan966x_lag_set_aggr_pgids()
39 for (lag = 0; lag < lan966x->num_phys_ports; ++lag) { in lan966x_lag_set_aggr_pgids()
40 struct lan966x_port *port = lan966x->ports[lag]; in lan966x_lag_set_aggr_pgids()
46 if (!port || !port->bond || (visited & BIT(lag))) in lan966x_lag_set_aggr_pgids()
49 bond = port->bond; in lan966x_lag_set_aggr_pgids()
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/linux-6.14.4/fs/smb/client/
Dcifs_unicode.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * cifs_unicode: Unicode kernel case support
6 * Convert a unicode character to upper or lower case using
15 * The upper/lower functions are based on a table created by mkupr.
16 * This is a compressed table of upper and lower case conversion.
/linux-6.14.4/tools/net/sunrpc/xdrgen/generators/
Dprogram.py14 ) -> None:
35 ) -> None:
60 ) -> None:
74 ) -> None:
88 ) -> None:
102 ) -> None:
122 def emit_definition(self, node: _RpcProgram) -> None:
125 program = raw_name.lower().removesuffix("_program").removesuffix("_prog")
130 def emit_declaration(self, node: _RpcProgram) -> None:
133 program = raw_name.lower().removesuffix("_program").removesuffix("_prog")
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/linux-6.14.4/fs/btrfs/
Dbackref.h1 /* SPDX-License-Identifier: GPL-2.0 */
17 #include "disk-io.h"
30 * The value must be non-negative and must not be 0, 1 (which is a common return
39 * continue. Can return BTRFS_ITERATE_EXTENT_INODES_STOP or any other non-zero
90 * Time sequence acquired from btrfs_get_tree_mod_seq(), in case the
94 * commit roots when searching b+trees - this is a special case for
105 * extent is accessible. Can be NULL in case the caller does not care
199 * case we don't have multiple file extent items that point to the same
287 * For metadata with EXTENT_ITEM key (non-skinny) case, the first inline data
290 * This helper determines if that's the case.
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Dbackref.c1 // SPDX-License-Identifier: GPL-2.0
10 #include "disk-io.h"
14 #include "delayed-ref.h"
17 #include "tree-mod-log.h"
20 #include "extent-tree.h"
22 #include "tree-checker.h"
42 u64 offset = key->offset; in check_extent_in_eb()
48 if (!ctx->ignore_extent_item_pos && in check_extent_in_eb()
56 if (ctx->extent_item_pos < data_offset || in check_extent_in_eb()
57 ctx->extent_item_pos >= data_offset + data_len) in check_extent_in_eb()
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/linux-6.14.4/security/apparmor/
DMakefile1 # SPDX-License-Identifier: GPL-2.0
4 obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
6 apparmor-y := apparmorfs.o audit.o capability.o task.o ipc.o lib.o match.o \
10 apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
12 obj-$(CONFIG_SECURITY_APPARMOR_KUNIT_TEST) += apparmor_policy_unpack_test.o
13 apparmor_policy_unpack_test-objs += policy_unpack_test.o
15 clean-files := capability_names.h rlim_names.h net_names.h
17 # Build a lower case string table of address family names
30 quiet_cmd_make-af = GEN $@
31 cmd_make-af = echo "static const char *address_family_names[] = {" > $@ ;\
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/linux-6.14.4/Documentation/filesystems/ext4/
Dgroup_descr.rst1 .. SPDX-License-Identifier: GPL-2.0
4 -----------------------
22 grouped together into a meta group. Note that in the meta_bg case,
38 checksum is the lower 16 bits of the checksum of the FS UUID, the group
45 .. list-table::
47 :header-rows: 1
49 * - Offset
50 - Size
51 - Name
52 - Description
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/linux-6.14.4/drivers/clocksource/
Darm_global_timer.c1 // SPDX-License-Identifier: GPL-2.0-only
60 * 1. Read the upper 32-bit timer counter register
61 * 2. Read the lower 32-bit timer counter register
62 * 3. Read the upper 32-bit timer counter register again. If the value is
63 * different to the 32-bit upper value read previously, go back to step 2.
64 * Otherwise the 64-bit timer counter value is correct.
69 u32 lower; in _gt_counter_read() local
75 lower = readl_relaxed(gt_base + GT_COUNTER0); in _gt_counter_read()
81 counter |= lower; in _gt_counter_read()
94 * 2. Write the lower 32-bit Comparator Value Register.
[all …]
/linux-6.14.4/drivers/video/fbdev/
Di740fb.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * i740fb - framebuffer driver for Intel740
6 * Based on old i740fb driver (c) 2001-2002 Andrey Ulanov <[email protected]>
8 * VGA 16-color framebuffer driver (c) 1999 Ben Pfaff <[email protected]>
10 * i740 driver from XFree86 (c) 1998-1999 Precision Insight, Inc., Cedar Park,
28 #include <linux/i2c-algo-bit.h>
98 vga_mm_w(par->regs, port, val); in i740outb()
102 return vga_mm_r(par->regs, port); in i740inb()
106 vga_mm_w_fast(par->regs, port, reg, val); in i740outreg()
110 vga_mm_w(par->regs, port, reg); in i740inreg()
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/linux-6.14.4/drivers/net/ethernet/freescale/enetc/
Denetc4_pf.c1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
16 struct enetc_hw *hw = &pf->si->hw; in enetc4_get_port_caps()
20 pf->caps.num_vsi = (val & ECAPR1_NUM_VSI) >> 24; in enetc4_get_port_caps()
21 pf->caps.num_msix = ((val & ECAPR1_NUM_MSIX) >> 12) + 1; in enetc4_get_port_caps()
24 pf->caps.num_rx_bdr = (val & ECAPR2_NUM_RX_BDR) >> 16; in enetc4_get_port_caps()
25 pf->caps.num_tx_bdr = val & ECAPR2_NUM_TX_BDR; in enetc4_get_port_caps()
28 pf->caps.half_duplex = (val & PMCAPR_HD) ? 1 : 0; in enetc4_get_port_caps()
34 u16 lower = get_unaligned_le16(addr + 4); in enetc4_pf_set_si_primary_mac() local
38 __raw_writel(upper, hw->port + ENETC4_PSIPMAR0(si)); in enetc4_pf_set_si_primary_mac()
39 __raw_writew(lower, hw->port + ENETC4_PSIPMAR1(si)); in enetc4_pf_set_si_primary_mac()
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/linux-6.14.4/tools/testing/selftests/net/netfilter/
Dconntrack_vrf.sh7 # For ingress, this means first iteration has iifname of lower/real
12 # second iteration is done with the lower/real/veth0 device.
22 # on the VRF master interface (in case such a rule exists).
29 # that any fix to test case 1 won't break masquerade again.
47 checktool "nft --version" "run test without nft"
48 checktool "conntrack --version" "run test without conntrack"
49 checktool "socat -h" "run test without socat"
55 ip netns exec "$ns0" sysctl -q -w net.ipv4.conf.default.rp_filter=0
56 ip netns exec "$ns0" sysctl -q -w net.ipv4.conf.all.rp_filter=0
57 ip netns exec "$ns0" sysctl -q -w net.ipv4.conf.all.rp_filter=0
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/linux-6.14.4/scripts/mod/
Dmodpost.c4 * Copyright 2002-2004 Rusty Russell, IBM Corporation
5 * Copyright 2006-2008 Sam Ravnborg
6 * Based in part on module-init-tools/depmod.c,file2alias
47 /* Trim EXPORT_SYMBOLs that are unused by in-tree modules */
70 * here we use Elf_Addr instead of long for covering cross-compile
73 #define MODULE_NAME_LEN (64 - sizeof(Elf_Addr))
98 return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0; in strends()
132 nbytes -= bytes_read; in read_text_file()
167 if (!strcmp(mod->dump_file, filename) && in find_module()
168 !strcmp(mod->name, modname)) in find_module()
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