linux-kernel - Re: [PATCH v2] selftests: sched_ext: Add sched

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZwQ4cTh85xuPuxnx@finisterre.sirena.org.uk>
Date: Mon, 7 Oct 2024 20:37:21 +0100
From: Mark Brown <broonie@...nel.org>
To: Björn Töpel <bjorn@...nel.org>
Cc: Tejun Heo <tj@...nel.org>, David Vernet <void@...ifault.com>,
	Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	Björn Töpel <bjorn@...osinc.com>,
	bpf@...r.kernel.org, linux-riscv@...ts.infradead.org,
	Anders Roxell <anders.roxell@...aro.org>
Subject: Re: [PATCH v2] selftests: sched_ext: Add sched_ext as proper
 selftest target

On Mon, Oct 07, 2024 at 06:45:32PM +0200, Björn Töpel wrote:
> Mark Brown <broonie@...nel.org> writes:

> > I didn't actually build a kernel, if the build system needs a kernel
> > it's just silently not detected that it's missing?

> It tries to find a kernel with BTF:
>   | VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux)                                    \
>   |                      $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux)            \
>   |                      ../../../../vmlinux                                        \
>   |                      /sys/kernel/btf/vmlinux                                    \
>   |                      /boot/vmlinux-$(shell uname -r)

> Similar to all the other selftests using BPF.

> (Oh, and at some point the BPF parts should be in lib.mk...)

Ah, that'll have found my host kernel.  There should probably be some
sort of check that it's at least targeting the correct architecture
since this *will* go wrong.

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)