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Message-Id: <168018870548.1679607.17364698825564495778.b4-ty@kernel.org>
Date: Thu, 6 Apr 2023 16:51:52 +0100
From: Will Deacon <will@...nel.org>
To: tomas.krcka@...il.com
Cc: catalin.marinas@....com, kernel-team@...roid.com,
Will Deacon <will@...nel.org>,
Tomas Krcka <krckatom@...zon.de>, linux-kernel@...r.kernel.org,
Jason Gunthorpe <jgg@...pe.ca>,
Robin Murphy <robin.murphy@....com>,
Joerg Roedel <joro@...tes.org>, iommu@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org,
Shameer Kolothum <shameerali.kolothum.thodi@...wei.com>,
Lu Baolu <baolu.lu@...ux.intel.com>
Subject: Re: [PATCH] iommu/arm-smmu-v3: Acknowledge pri/event queue overflow if any
On Wed, 29 Mar 2023 12:34:19 +0000, tomas.krcka@...il.com wrote:
> From: Tomas Krcka <krckatom@...zon.de>
>
> When an overflow occurs in the PRI queue, the SMMU toggles the overflow
> flag in the PROD register. To exit the overflow condition, the PRI thread
> is supposed to acknowledge it by toggling this flag in the CONS register.
> Unacknowledged overflow causes the queue to stop adding anything new.
>
> [...]
Applied to will (for-joerg/arm-smmu/updates), thanks!
[1/1] iommu/arm-smmu-v3: Acknowledge pri/event queue overflow if any
https://git.kernel.org/will/c/67ea0b7ce418
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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