Re: [PATCH v5 1/3] kunit: make test->lock irq safe

On 5/11/21 5:07 PM, glittao@gmail.com wrote:

From: Vlastimil Babka vbabka@suse.cz

The upcoming SLUB kunit test will be calling kunit_find_named_resource() from a context with disabled interrupts. That means kunit's test->lock needs to be IRQ safe to avoid potential deadlocks and lockdep splats.

This patch therefore changes the test->lock usage to spin_lock_irqsave() and spin_unlock_irqrestore().

Signed-off-by: Vlastimil Babka vbabka@suse.cz Signed-off-by: Oliver Glitta glittao@gmail.com

Note v4 had

Reviewed-by: Brendan Higgins brendanhiggins@google.com

and it's unchanged AFAIK.