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McKenney wrote: > I ran this on x86 with clang version 19.1.7 (CentOS 19.1.7-1.el9). > > See below for the full splat. The TINY02 and SRCU-T scenarios are unique > in setting both CONFIG_SMP=n and CONFIG_PROVE_LOCKING=y. > > Bisection converges here: > > c836e5a70c59 ("genirq/chip: Rework irq_set_msi_desc_off()") > > The commit reverts cleanly, but results in the following build error: > > kernel/irq/chip.c:98:26: error: call to undeclared function 'irq_get_desc_lock' > > Thoughts? Smells like what the top commit of the irq/core branch fixes: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=irq/core