The recent kernel v6.6.31 update broke BTF-enabled builds since upstream
Linux added a prompt for config option DEBUG_INFO_BTF_MODULES in commit
2166cb2e21 ("bpf, kconfig: Fix DEBUG_INFO_BTF_MODULES Kconfig definition").
Fix by updating Config-kernel.in to add the option, cleaning up a related
dependency and whitespace also.
Fixes: 10d77b9bc3 ("kernel: bump 6.6 to 6.6.31")
Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
Kernel 6.6 has moved the ARM PMUv3 driver to drivers/perf and now once
KERNEL_ARM_PMU is selected trying to build the kernel will stop with:
ARM PMUv3 support (ARM_PMUV3) [N/y/?] (NEW)
So, lets enable ARM_PMUV3 for ARMv7 and ARMv8 architectures if
KERNEL_PERF_EVENTS is selected.
Fixes: #15466
Link: https://github.com/openwrt/openwrt/pull/15469
Signed-off-by: Robert Marko <robimarko@gmail.com>
At the moment we have to manually follow the default GCC version
also in config/Config-kernel.in. This tends to be forgotten at GCC
version bumps (just happened when switching from version 12 to 13).
Instead, introduce a hidden Kconfig symbol which implies KERNEL_WERROR
in toolchain/gcc/Config.in where it is visible for developers changing
the default version.
Also remove the explicit default on BUILDBOT to avoid a circular
dependency and also because buildbots anyway implicitly always select
the default GCC version.
Reference: https://github.com/openwrt/openwrt/pull/15064
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
KASAN has supported more architectures, such as ARM, PPC32 and RISC-V 64.
Enable KASAN option for those architectures.
Signed-off-by: Qingfang Deng <dqfext@gmail.com>
The newly added device Linksys MX4200, however, has limited kernel
partition and it's too small to place BTF kernel there.
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
Allow selecting KERNEL_SLUB_DEBUG and KERNEL_SLUB_DEBUG_ON manually and
provide detailed help for both.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
CONFIG_ARM_PMU (Arm Performance Monitor Unit) is a requirement
to use KVM (virtualization) from Linux 5.11+, as the virtualised
guest has virtualized PMU access.
Signed-off-by: Mathew McBride <matt@traverse.com.au>
Currently KASAN is supported but only the generic one. SW-tag and HW-tag
based KASAN have less impact on memory footprint or performance, and are
worth supporting.
Add choice menu for software and hardware Tag-Based KASAN, in addition
to the generic one.
Signed-off-by: Zhen XIN <zhen.xin@nokia-sbell.com>
[Restructure commit message]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
In commit b2d1eb717b ("generic: 5.15: enable Werror by default for
kernel compile") CONFIG_WERROR=y was enabled and all warnings/errors
reported with GCC 12 were fixed.
Keeping this in sync with past/future GCC versions is going to be uphill
battle, so lets introduce new KERNEL_WERROR config option, enable it by
default only for tested/known working combinations and on buildbots.
References: #12687
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This set the CONFIG_FRAME_WARN option depending on some target settings.
It will use the default from the upstream kernel and not the hard coded
value of 1024 now.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
BTF mismatch can occur for a separately-built module even when the ABI
is otherwise compatible and nothing else would prevent successfully
loading. Add a new config to control how mismatches are handled. By
default, preserve the current behavior of refusing to load the
module. If MODULE_ALLOW_BTF_MISMATCH is enabled, load the module but
ignore its BTF information.
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
We only use 5.15 kernel. So remove all those unnecessary symbols
referencing 5.10 or 5.15 kernel.
Can be found with:
git grep -E 'LINUX_5_1(0|5)'
Note that we remove the dependency from "sound-soc-chipdip-dac" instead
of removing the complete kernel package. The 5.15 version bump forgot to
delete the "@LINUX_5_10" dependency. The kernel package is still needed
in 5.15 kernel.
Signed-off-by: Nick Hainke <vincent@systemli.org>
Kernel setting CONFIG_IO_URING supports high-performance I/O for file
access and servers, generally for more performant platforms, and adds
~45 KB to kernel sizes. The need for this on less "beefy" devices is
questionable, as is the size cost considering many platforms have kernel
size limits which require tricky repartitioning if outgrown. The size
cost is also large relative to the ~180 KB bump expected between major
OpenWRT kernel releases.
No OpenWrt packages have hard dependencies on this; samba4 and mariadb
can take advantage if available (+KERNEL_IO_URING:liburing) but
otherwise build and work fine.
Since CONFIG_IO_URING is already managed via the KERNEL_IO_URING setting
in Config-kernel.in (default Y), remove it from those target configs
which unconditionally enable it, and update the defaults to enable it
conditionally only on more powerful 64-bit x86 and arm devices. It may
still be manually enabled as needed for high-performance custom builds.
Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
Make it possible to change the kernel configuration option
CONFIG_HARDLOCKUP_DETECTOR from OpenWrt.
Signed-off-by: Hauke Mehrtens <hmehrtens@maxlinear.com>
Without the default value this still causes a missing symbol. Disable by
default as it depends on FUNCTION_ERROR_INJECTION, which is disabled in
the generic config and we don't have a build symbol to enable that.
Fixes: 500c37c56f ("kernel: add missing symbol")
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
