Re: [PATCH 1/1] PCI/bwctrl: Remove IRQF_ONESHOT and handle hardirqs instead
From: Bjorn Helgaas
Date: Sat Nov 16 2024 - 11:10:20 EST
On Sat, Nov 16, 2024 at 04:40:51PM +0200, Ilpo Järvinen wrote:
> On Fri, 15 Nov 2024, Bjorn Helgaas wrote:
>
> > On Fri, Nov 15, 2024 at 06:57:17PM +0200, Ilpo Järvinen wrote:
> > > bwctrl cannot use IRQF_ONESHOT because it shares interrupt with other
> > > service drivers that are not using IRQF_ONESHOT nor compatible with it.
> > >
> > > Remove IRQF_ONESHOT from bwctrl and convert the irq thread to hardirq
> > > handler. Rename the handler to pcie_bwnotif_irq() to indicate its new
> > > purpose.
> > >
> > > The IRQ handler is simple enough to not require not require other
> > > changes.
> > >
> > > Fixes: 058a4cb11620 ("PCI/bwctrl: Re-add BW notification portdrv as PCIe BW controller")
> > > Reported-by: Stefan Wahren <wahrenst@xxxxxxx>
> > > Link: https://lore.kernel.org/linux-pci/dcd660fd-a265-4f47-8696-776a85e097a0@xxxxxxx/
> > > Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
> >
> > Squashed into 058a4cb11620, thanks!
> >
> > Also added your tested-by, Stefan, thanks very much for doing that!
>
> Hi Bjorn,
>
> You might want to also remove "3) ..." part from the commit message as it
> still refers to threaded IRQ and IRQF_ONESHOT so it won't confuse anybody
> when looking at this years from now :-).
Removed, thanks for that!