On Aug 16, 2022, at 11:23 AM, Nadav Amit <namit@xxxxxxxxxx> wrote:
> During my development, I enabled some Linux kernel checkers, specifically
> the “sleep in atomic” checker.
>
> I ran into unrelated issue that appears to be a result of commit
> 463713eb6164b6 ("VMCI: dma dg: add support for DMA datagrams receive”).
> IIUC, vmci_read_data() calls wait_event(), which is not allowed while IRQs
> are disabled, which they are during IRQ handling.
Just minor correction of myself: IRQ are not disabled, preemption is
disabled.
>
> [ 22.653012] Preemption disabled at:
> [ 22.653017] __do_softirq (kernel/softirq.c:504 kernel/softirq.c:548)
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