Re: [PATCH v3 3/6] PCI: endpoint: Add RC-to-EP doorbell support using platform MSI controller

[Thomas Gleixner]

On Wed, Oct 16 2024 at 12:54, Frank Li wrote:
> On Wed, Oct 16, 2024 at 06:30:40PM +0200, Thomas Gleixner wrote:
>> > +	scoped_guard(msi_descs, dev)
>> > +		msi_for_each_desc(desc, dev, MSI_DESC_ALL) {
>>
>> That's just wrong. Nothing in this code has to fiddle with MSI
>> descriptors or the descriptor lock.
>>
>>         for (i = 0; i < num_db; i++) {
>>             virq = msi_get_virq(dev, i);
>
> Thanks, Change to msi_for_each_desc() is based on comments on
> https://lore.kernel.org/imx/20231017183722.GB137137@thinkpad/
>
> So my original implement is correct.

Yes, very much so.

Thanks,

        tglx