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Filename Latest commit message Latest commit date
Andrii Nakryiko 6a8a0da4d8 libbpf: Fix no-args func prototype BTF dumping syntax
[ Upstream commit 189f1a976e426011e6a5588f1d3ceedf71fe2965 ]

For all these years libbpf's BTF dumper has been emitting not strictly
valid syntax for function prototypes that have no input arguments.

Instead of `int (*blah)()` we should emit `int (*blah)(void)`.

This is not normally a problem, but it manifests when we get kfuncs in
vmlinux.h that have no input arguments. Due to compiler internal
specifics, we get no BTF information for such kfuncs, if they are not
declared with proper `(void)`.

The fix is trivial. We also need to adjust a few ancient tests that
happily assumed `()` is correct.

Fixes: 351131b51c ("libbpf: add btf_dump API for BTF-to-C conversion")
Reported-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://lore.kernel.org/bpf/20240712224442.282823-1-andrii@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-08-19 05:33:41 +02:00
arch um: time-travel: fix time-travel-start option 2024-08-19 05:33:40 +02:00
block
certs
crypto crypto: ecrdsa - Fix module auto-load on add_key 2024-06-16 13:28:51 +02:00
Documentation ASoC: dt-bindings: rt5645: add cbj sleeve gpio property 2024-06-16 13:28:31 +02:00
drivers Bluetooth: btusb: Add Realtek RTL8852BE support ID 0x13d3:0x3591 2024-08-19 05:33:40 +02:00
fs jfs: Fix array-index-out-of-bounds in diFree 2024-08-19 05:33:40 +02:00
include m68k: amiga: Turn off Warp1260 interrupts during boot 2024-08-19 05:33:36 +02:00
init
ipc
kernel kdb: Use the passed prompt in kdb_position_cursor() 2024-08-19 05:33:40 +02:00
lib kobject_uevent: Fix OOB access within zap_modalias_env() 2024-08-19 05:33:38 +02:00
LICENSES
mm Revert "mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again" 2024-07-18 11:40:51 +02:00
net ipv6: take care of scope when choosing the src addr 2024-08-19 05:33:35 +02:00
samples
scripts kconfig: remove wrong expr_trans_bool() 2024-07-27 10:38:29 +02:00
security
sound ASoC: max98088: Check for clk_prepare_enable() error 2024-08-19 05:33:33 +02:00
tools libbpf: Fix no-args func prototype BTF dumping syntax 2024-08-19 05:33:41 +02:00
usr
virt KVM: async_pf: Cleanup kvm_setup_async_pf() 2024-05-02 16:18:32 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.281 2024-07-27 10:38:33 +02:00
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.