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From: Marc Zyngier <maz@kernel.org>
To: "Pali Rohár" <pali@kernel.org>
Cc: "Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
"Rob Herring" <robh@kernel.org>,
"Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Marek Behún" <kabel@kernel.org>,
linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] PCI: aardvark: Fix masking and unmasking legacy INTx interrupts
Date: Fri, 20 Aug 2021 16:56:38 +0100 [thread overview]
Message-ID: <87h7fkqfd5.wl-maz@kernel.org> (raw)
In-Reply-To: <20210820155020.3000-1-pali@kernel.org>
On Fri, 20 Aug 2021 16:50:20 +0100,
Pali Rohár <pali@kernel.org> wrote:
>
> irq_mask and irq_unmask callbacks need to be properly guarded by raw spin
> locks as masking/unmasking procedure needs atomic read-modify-write
> operation on hardware register.
>
> Signed-off-by: Pali Rohár <pali@kernel.org>
> Reported-by: Marc Zyngier <maz@kernel.org>
> Cc: stable@vger.kernel.org
Acked-by: Marc Zyngier <maz@kernel.org>
M.
--
Without deviation from the norm, progress is not possible.
next prev parent reply other threads:[~2021-08-20 15:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-20 15:50 [PATCH] PCI: aardvark: Fix masking and unmasking legacy INTx interrupts Pali Rohár
2021-08-20 15:56 ` Marc Zyngier [this message]
2021-08-26 12:42 ` Lorenzo Pieralisi
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