On Fri, Jul 15, 2022 at 7:48 AM Daniel Latypov <dlatypov@xxxxxxxxxx> wrote: > > On Thu, Jul 14, 2022 at 4:45 PM Daniel Latypov <dlatypov@xxxxxxxxxx> wrote: > > Ack. > > So concretely, so then a final result like this? > > > > $ cat kernel/kcsan/.kunitconfig > > # Note that the KCSAN tests need to run on an SMP setup. > > # Under kunit_tool, this can be done by using the x86_64-smp > > # qemu-based architecture: > > Oops, this bit would need to be updated to something like: > > # Under kunit_tool, this can be done by using --qemu_args: > > > # ./tools/testing/kunit/kunit.py run --kunitconfig=kernel/kcsan > > --arch=x86_64 --qemu_args='-smp 8' > > > > CONFIG_KUNIT=y > > > > CONFIG_DEBUG_KERNEL=y > > > > CONFIG_KCSAN=y > > CONFIG_KCSAN_KUNIT_TEST=y > > > > # Need some level of concurrency to test a concurrency sanitizer. > > CONFIG_SMP=y > > > > # This prevents the test from timing out on many setups. Feel free to remove > > # (or alter) this, in conjunction with setting a different test timeout with, > > # for example, the --timeout kunit_tool option. > > CONFIG_KCSAN_REPORT_ONCE_IN_MS=100 Thanks everyone. I've sent out a v2 with just this patch here: https://lore.kernel.org/linux-kselftest/20220715064052.2673958-1-davidgow@xxxxxxxxxx/ I expect we'll take it in via the KUnit branch, as it's most useful with the --qemu_args option. Cheers, -- David
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