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Benjamin Berg b0686d0d76 um: remove copy_from_kernel_nofault_allowed 
[ Upstream commit 84a6fc3784 ]

There is no need to override the default version of this function
anymore as UML now has proper _nofault memory access functions.

Doing this also fixes the fact that the implementation was incorrect as
using mincore() will incorrectly flag pages as inaccessible if they were
swapped out by the host.

Fixes: f75b1b1bed ("um: Implement probe_kernel_read()")
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://patch.msgid.link/20250210160926.420133-3-benjamin@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-04-10 14:33:36 +02:00
arch um: remove copy_from_kernel_nofault_allowed 2025-04-10 14:33:36 +02:00
block block, bfq: fix re-introduced UAF in bic_set_bfqq() 2025-03-28 21:59:02 +01:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-02-09 11:28:11 +01:00
crypto crypto: api - Add crypto_clone_tfm 2024-12-14 19:53:51 +01:00
Documentation sched/isolation: Prevent boot crash when the boot CPU is nohz_full 2025-03-28 21:58:48 +01:00
drivers iio: adc: ad7124: Fix comparison of channel configs 2025-04-10 14:33:36 +02:00
fs fuse: fix dax truncate/punch_hole fault path 2025-04-10 14:33:36 +02:00
include coresight-etm4x: add isb() before reading the TRCSTATR 2025-04-10 14:33:35 +02:00
init rust: Disallow BTF generation with Rust + LTO 2025-03-28 21:58:57 +01:00
io_uring io_uring: fix corner case forgetting to vunmap 2025-03-28 21:58:53 +01:00
ipc ipc: fix memleak if msg_init_ns failed in create_ipc_ns 2024-12-14 19:54:06 +01:00
kernel kexec: initialize ELF lowest address to ULONG_MAX 2025-04-10 14:33:36 +02:00
lib lib: 842: Improve error handling in sw842_compress() 2025-04-10 14:33:34 +02:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm lockdep/mm: Fix might_fault() lockdep check of current->mm->mmap_lock 2025-04-10 14:33:30 +02:00
net netfilter: socket: Lookup orig tuple for IPv6 SNAT 2025-04-07 10:05:45 +02:00
rust scripts: generate_rust_analyzer: provide cfgs for core and alloc 2025-03-28 21:58:57 +01:00
samples samples/landlock: Fix possible NULL dereference in parse_path() 2025-02-21 13:49:03 +01:00
scripts selinux: Chain up tool resolving errors in install_policy.sh 2025-04-10 14:33:30 +02:00
security smack: dont compile ipv6 code unless ipv6 is configured 2025-04-10 14:33:30 +02:00
sound ASoC: ti: j721e-evm: Fix clock configuration for ti,j7200-cpb-audio compatible 2025-04-10 14:33:31 +02:00
tools perf units: Fix insufficient array space 2025-04-10 14:33:36 +02:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() 2024-06-27 13:46:21 +02:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore Remove *.orig pattern from .gitignore 2024-10-17 15:21:15 +02:00
.mailmap 9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address 2022-12-10 17:10:52 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS: add leah to 6.1 MAINTAINERS file 2024-05-17 11:56:16 +02:00
Makefile Linux 6.1.133 2025-04-07 10:05:46 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.