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Malin Jonsson fc8a62c5fa bpf: Conditionally include dynptr copy kfuncs [ Upstream commit `8ce93aabbf` ] Since commit `a498ee7576` ("bpf: Implement dynptr copy kfuncs"), if CONFIG_BPF_EVENTS is not enabled, but BPF_SYSCALL and DEBUG_INFO_BTF are, the build will break like so: BTFIDS vmlinux.unstripped WARN: resolve_btfids: unresolved symbol bpf_probe_read_user_str_dynptr WARN: resolve_btfids: unresolved symbol bpf_probe_read_user_dynptr WARN: resolve_btfids: unresolved symbol bpf_probe_read_kernel_str_dynptr WARN: resolve_btfids: unresolved symbol bpf_probe_read_kernel_dynptr WARN: resolve_btfids: unresolved symbol bpf_copy_from_user_task_str_dynptr WARN: resolve_btfids: unresolved symbol bpf_copy_from_user_task_dynptr WARN: resolve_btfids: unresolved symbol bpf_copy_from_user_str_dynptr WARN: resolve_btfids: unresolved symbol bpf_copy_from_user_dynptr make[2]: * [scripts/Makefile.vmlinux:72: vmlinux.unstripped] Error 255 make[2]: * Deleting file 'vmlinux.unstripped' make[1]: * [/repo/malin/upstream/linux/Makefile:1242: vmlinux] Error 2 make: * [Makefile:248: __sub-make] Error 2 Guard these symbols with #ifdef CONFIG_BPF_EVENTS to resolve the problem. Fixes: `a498ee7576` ("bpf: Implement dynptr copy kfuncs") Reported-by: Yong Gu <yong.g.gu@ericsson.com> Acked-by: Mykyta Yatsenko <yatsenko@meta.com> Signed-off-by: Malin Jonsson <malin.jonsson@est.tech> Link: https://lore.kernel.org/r/20251024151436.139131-1-malin.jonsson@est.tech Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		History 2025-11-13 15:36:41 -05:00
arch	crypto: s390/phmac - Do not modify the req->nbytes value	2025-11-13 15:36:39 -05:00
block	block: require LBA dma_alignment when using PI	2025-10-29 14:10:28 +01:00
certs	sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3	2024-09-20 19:52:48 +03:00
crypto	crypto: essiv - Check ssize for decryption and in-place encryption	2025-10-19 16:37:14 +02:00
Documentation	x86/bugs: Add attack vector controls for VMSCAPE	2025-11-02 22:18:03 +09:00
drivers	Bluetooth: btintel_pcie: Fix event packet loss issue	2025-11-13 15:36:41 -05:00
fs	smb: client: fix potential cfid UAF in smb2_query_info_compound	2025-11-13 15:36:38 -05:00
include	Bluetooth: hci_core: Fix tracking of periodic advertisement	2025-11-13 15:36:41 -05:00
init	init: handle bootloader identifier in kernel parameters	2025-10-19 16:37:27 +02:00
io_uring	io_uring: correct __must_hold annotation in io_install_fixed_file	2025-10-29 14:10:28 +01:00
ipc	vfs-6.17-rc1.mmap_prepare	2025-07-28 13:43:25 -07:00
kernel	bpf: Conditionally include dynptr copy kfuncs	2025-11-13 15:36:41 -05:00
lib	kunit: test_dev_action: Correctly cast 'priv' pointer to long*	2025-11-13 15:36:39 -05:00
LICENSES	LICENSES: Replace the obsolete address of the FSF in the GFDL-1.2	2025-07-24 11:15:39 +02:00
mm	treewide: remove MIGRATEPAGE_SUCCESS	2025-10-29 14:10:32 +01:00
net	Bluetooth: hci_core: Fix tracking of periodic advertisement	2025-11-13 15:36:41 -05:00
rust	rust: device: fix device context of Device::parent()	2025-10-29 14:10:22 +01:00
samples	15 hotfixes. 11 are cc:stable and the remainder address post-6.16 issues	2025-09-17 21:34:26 -07:00
scripts	kbuild: Add '.rel.*' strip pattern for vmlinux	2025-10-19 16:37:15 +02:00
security	KEYS: trusted_tpm1: Compare HMAC values in constant time	2025-10-19 16:37:28 +02:00
sound	ASoC: mediatek: Fix double pm_runtime_disable in remove functions	2025-11-13 15:36:40 -05:00
tools	libbpf: Fix powerpc's stack register definition in bpf_tracing.h	2025-11-13 15:36:40 -05:00
usr	usr/include: openrisc: don't HDRTEST bpf_perf_event.h	2025-05-12 15:03:17 +09:00
virt	Merge tag 'kvm-x86-no_assignment-6.17' of https://github.com/kvm-x86/linux into HEAD	2025-07-29 08:36:42 -04:00
.clang-format	Linux 6.15-rc5	2025-05-06 16:39:25 +10:00
.clippy.toml	rust: clean Rust 1.88.0's warning about `clippy::disallowed_macros` configuration	2025-05-07 00:11:47 +02:00
.cocciconfig	scripts: add Linux .cocciconfig for coccinelle	2016-07-22 12:13:39 +02:00
.editorconfig	.editorconfig: remove trim_trailing_whitespace option	2024-06-13 16:47:52 +02:00
.get_maintainer.ignore	MAINTAINERS: remove Alyssa Rosenzweig	2025-09-18 21:17:31 +02:00
.gitattributes	.gitattributes: set diff driver for Rust source code files	2023-05-31 17:48:25 +02:00
.gitignore	gitignore: allow .pylintrc to be tracked	2025-07-02 17:10:04 -06:00
.mailmap	7 hotfixes. 4 are cc:stable and the remainder address post-6.16 issues or	2025-09-28 09:32:00 -07:00
.pylintrc	docs: add a .pylintrc file with sys path for docs scripts	2025-04-09 12:10:33 -06:00
.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: retire Boris from TLS maintainers	2025-08-26 17:36:01 -07:00
Kbuild	drm: ensure drm headers are self-contained and pass kernel-doc	2025-02-12 10:44:43 +02:00
Kconfig	io_uring: Rename KConfig to Kconfig	2025-02-19 14:53:27 -07:00
MAINTAINERS	i2c-for-6.17-rc8	2025-09-28 13:19:23 -07:00
Makefile	Linux 6.17.7	2025-11-02 22:18:05 +09:00
README	README: Fix spelling	2024-03-18 03:36:32 -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 reStructuredText 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.