From: Will Deacon <will@kernel.org>
To: Zhangfei Gao <zhangfei.gao@linaro.org>,
jean-philippe <jean-philippe@linaro.org>,
Joerg Roedel <joro@8bytes.org>, Jason Gunthorpe <jgg@nvidia.com>
Cc: catalin.marinas@arm.com, kernel-team@android.com,
Will Deacon <will@kernel.org>,
iommu@lists.linux.dev, kvm@vger.kernel.org,
Wenkai Lin <linwenkai6@hisilicon.com>
Subject: Re: [PATCH] iommu/arm-smmu-v3: disable stall for quiet_cd
Date: Tue, 12 Dec 2023 17:21:01 +0000 [thread overview]
Message-ID: <170238473311.3099166.16078152394414654471.b4-ty@kernel.org> (raw)
In-Reply-To: <20231206005727.46150-1-zhangfei.gao@linaro.org>
On Wed, 6 Dec 2023 08:57:27 +0800, Zhangfei Gao wrote:
> From: Wenkai Lin <linwenkai6@hisilicon.com>
>
> In the stall model, invalid transactions were expected to be
> stalled and aborted by the IOPF handler.
>
> However, when killing a test case with a huge amount of data, the
> accelerator streamline can not stop until all data is consumed
> even if the page fault handler reports errors. As a result, the
> kill may take a long time, about 10 seconds with numerous iopf
> interrupts.
>
> [...]
Applied to will (for-joerg/arm-smmu/updates), thanks!
[1/1] iommu/arm-smmu-v3: disable stall for quiet_cd
https://git.kernel.org/will/c/b41932f54458
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
next prev parent reply other threads:[~2023-12-12 17:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-06 0:57 [PATCH] iommu/arm-smmu-v3: disable stall for quiet_cd Zhangfei Gao
2023-12-06 1:30 ` Jason Gunthorpe
2023-12-06 13:47 ` Zhangfei Gao
2023-12-06 9:57 ` Jean-Philippe Brucker
2023-12-06 13:46 ` Zhangfei Gao
2023-12-12 17:21 ` Will Deacon [this message]
2023-12-13 1:36 ` Zhangfei Gao
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