From: Jason Gunthorpe <jgg@nvidia.com>
To: Nicolin Chen <nicolinc@nvidia.com>
Cc: will@kernel.org, robin.murphy@arm.com, joro@8bytes.org,
jean-philippe@linaro.org, apopple@nvidia.com,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev
Subject: Re: [PATCH] iommu/arm-smmu-v3: Add a configurable tlbi_range_max_n_shift for TLBI
Date: Wed, 16 Aug 2023 14:34:33 -0300 [thread overview]
Message-ID: <ZN0Iqf9xrCEOOXUJ@nvidia.com> (raw)
In-Reply-To: <ZN0CciT2hBISXxoJ@Asurada-Nvidia>
On Wed, Aug 16, 2023 at 10:09:20AM -0700, Nicolin Chen wrote:
> > This seems convoluted for a uapi, you should just make it
> > 'invalidate_threshold' in bytes or something simpler.
>
> Hmm. That'd be a direct 64-bit size configuration, and very likely
> to be at upper 32-bit range, so I feel the value would be very big
> that might be hard to read.
hard to read is fine, it is sysfs
Jason
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next prev parent reply other threads:[~2023-08-16 17:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-14 21:57 [PATCH] iommu/arm-smmu-v3: Add a configurable tlbi_range_max_n_shift for TLBI Nicolin Chen
2023-08-16 11:59 ` Jason Gunthorpe
2023-08-16 17:09 ` Nicolin Chen
2023-08-16 17:34 ` Jason Gunthorpe [this message]
2023-08-16 17:37 ` Nicolin Chen
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