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From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To: "Marek Behún" <kabel@kernel.org>
Cc: sashal@kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
	linux-pci@vger.kernel.org, pali@kernel.org
Subject: Re: [PATCH v2 07/13] PCI: aardvark: Do not unmask unused interrupts
Date: Thu, 7 Oct 2021 14:27:48 +0100	[thread overview]
Message-ID: <20211007132748.GA19754@lpieralisi> (raw)
In-Reply-To: <20211006122823.59467d89@thinkpad>

On Wed, Oct 06, 2021 at 12:28:23PM +0200, Marek Behún wrote:
> On Wed, 6 Oct 2021 10:13:38 +0100
> Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> wrote:
> 
> > [CC Sasha for stable kernel rules]
> > 
> > On Tue, Oct 05, 2021 at 08:09:46PM +0200, Marek Behún wrote:
> > > From: Pali Rohár <pali@kernel.org>
> > > 
> > > There are lot of undocumented interrupt bits. Fix all *_ALL_MASK macros to
> > > define all interrupt bits, so that driver can properly mask all interrupts,
> > > including those which are undocumented.
> > > 
> > > Fixes: 8c39d710363c ("PCI: aardvark: Add Aardvark PCI host controller driver")
> > > Signed-off-by: Pali Rohár <pali@kernel.org>
> > > Reviewed-by: Marek Behún <kabel@kernel.org>
> > > Signed-off-by: Marek Behún <kabel@kernel.org>
> > > Cc: stable@vger.kernel.org  
> > 
> > I don't think this is a fix and I don't think it should be sent
> > to stable kernels in _preparation_ for other fixes to come (that
> > may never land in mainline).
> 
> This patch is a fix because it fixes masking interrupts, which may
> prevent spurious interrupts - we don't want interrupts which kernel
> didn't request for.
> 
> I agree that the commit message should probably mention this, though...
> :(

Now it does ;-), will notify you when I push the series out so that
you can have a look to check.

Thanks,
Lorenzo

> 
> Marek

  reply	other threads:[~2021-10-07 13:27 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-05 18:09 [PATCH v2 00/13] PCI: aardvark controller fixes Marek Behún
2021-10-05 18:09 ` [PATCH v2 01/13] PCI: Add PCI_EXP_DEVCTL_PAYLOAD_* macros Marek Behún
2021-10-05 18:09 ` [PATCH v2 02/13] PCI: aardvark: Fix PCIe Max Payload Size setting Marek Behún
2021-10-05 18:09 ` [PATCH v2 03/13] PCI: aardvark: Don't spam about PIO Response Status Marek Behún
2021-10-05 18:09 ` [PATCH v2 04/13] PCI: aardvark: Fix preserving PCI_EXP_RTCTL_CRSSVE flag on emulated bridge Marek Behún
2021-10-05 18:09 ` [PATCH v2 05/13] PCI: aardvark: Fix configuring Reference clock Marek Behún
2021-10-05 18:09 ` [PATCH v2 06/13] PCI: aardvark: Do not clear status bits of masked interrupts Marek Behún
2021-10-05 18:09 ` [PATCH v2 07/13] PCI: aardvark: Do not unmask unused interrupts Marek Behún
2021-10-06  9:13   ` Lorenzo Pieralisi
2021-10-06 10:28     ` Marek Behún
2021-10-07 13:27       ` Lorenzo Pieralisi [this message]
2021-10-05 18:09 ` [PATCH v2 08/13] PCI: aardvark: Deduplicate code in advk_pcie_rd_conf() Marek Behún
2021-10-05 18:09 ` [PATCH v2 09/13] PCI: aardvark: Implement re-issuing config requests on CRS response Marek Behún
2021-10-05 18:09 ` [PATCH v2 10/13] PCI: aardvark: Simplify initialization of rootcap on virtual bridge Marek Behún
2021-10-05 18:09 ` [PATCH v2 11/13] PCI: aardvark: Fix link training Marek Behún
2021-10-07 11:55   ` Lorenzo Pieralisi
2021-10-07 12:33     ` Marek Behún
2021-10-05 18:09 ` [PATCH v2 12/13] PCI: aardvark: Fix checking for link up via LTSSM state Marek Behún
2021-10-05 18:09 ` [PATCH v2 13/13] PCI: aardvark: Fix reporting Data Link Layer Link Active Marek Behún
2021-10-07 13:38 ` [PATCH v2 00/13] PCI: aardvark controller fixes Lorenzo Pieralisi
2021-10-07 17:36   ` Marek Behún

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