[PATCH] PCI: aardvark: Fix masking and unmasking legacy INTx interrupts

Marc Zyngier maz at kernel.org
Fri Aug 20 08:56:38 PDT 2021


On Fri, 20 Aug 2021 16:50:20 +0100,
Pali Rohár <pali at 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 at kernel.org>
> Reported-by: Marc Zyngier <maz at kernel.org>
> Cc: stable at vger.kernel.org

Acked-by: Marc Zyngier <maz at kernel.org>

	M.

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Without deviation from the norm, progress is not possible.



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