Re: [PATCH v2] PCI/MSI: Avoid torn updates to MSI pairs

[Thomas Gleixner]

Evan,

Evan Green <evgreen@xxxxxxxxxxxx> writes:
> On Tue, Jan 28, 2020 at 2:48 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>>
>> Bah. I'm sure I looked at that call chain, noticed the double vector
>> lock and then forgot. Delta patch below.
>
> It's working well with the delta patch, been running for about an hour
> with no issues.

thanks for the info and for testing!

Could you please add some instrumentation to see how often this stuff
actually triggers spurious interrupts?

Thanks,

        tglx