From: Will Deacon <will@kernel.org>
To: tomas.krcka@gmail.com
Cc: catalin.marinas@arm.com, kernel-team@android.com,
Will Deacon <will@kernel.org>, Tomas Krcka <krckatom@amazon.de>,
linux-kernel@vger.kernel.org, Jason Gunthorpe <jgg@ziepe.ca>,
Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>,
iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>,
Lu Baolu <baolu.lu@linux.intel.com>
Subject: Re: [PATCH] iommu/arm-smmu-v3: Acknowledge pri/event queue overflow if any
Date: Thu, 6 Apr 2023 16:51:52 +0100 [thread overview]
Message-ID: <168018870548.1679607.17364698825564495778.b4-ty@kernel.org> (raw)
In-Reply-To: <20230329123420.34641-1-tomas.krcka@gmail.com>
On Wed, 29 Mar 2023 12:34:19 +0000, tomas.krcka@gmail.com wrote:
> From: Tomas Krcka <krckatom@amazon.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
prev parent reply other threads:[~2023-04-06 15:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-29 12:34 tomas.krcka
2023-04-06 8:13 ` Tomas Krcka
2023-04-06 15:51 ` Will Deacon [this message]
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