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From: Bjorn Helgaas <helgaas@kernel.org>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: Stefan Wahren <wahrenst@gmx.net>,
	Florian Fainelli <florian.fainelli@broadcom.com>,
	Lukas Wunner <lukas@wunner.de>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	linux-pci@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/1] PCI/bwctrl: Remove IRQF_ONESHOT and handle hardirqs instead
Date: Sat, 16 Nov 2024 10:10:10 -0600	[thread overview]
Message-ID: <20241116161010.GA2125250@bhelgaas> (raw)
In-Reply-To: <ec7f9169-26dc-cc0e-e321-b66ca9d3f40e@linux.intel.com>

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@gmx.net>
> > > Link: https://lore.kernel.org/linux-pci/dcd660fd-a265-4f47-8696-776a85e097a0@gmx.net/
> > > Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
> > 
> > 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!

      reply	other threads:[~2024-11-16 16:10 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-15 16:57 [PATCH 1/1] PCI/bwctrl: Remove IRQF_ONESHOT and handle hardirqs instead Ilpo Järvinen
2024-11-15 18:29 ` Stefan Wahren
2024-11-15 21:02 ` Bjorn Helgaas
2024-11-16 14:40   ` Ilpo Järvinen
2024-11-16 16:10     ` Bjorn Helgaas [this message]

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