From: Nicolin Chen <nicolinc@nvidia.com>
To: Jason Gunthorpe <jgg@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 10:37:36 -0700 [thread overview]
Message-ID: <ZN0JYO/of2qH0krp@Asurada-Nvidia> (raw)
In-Reply-To: <ZN0Iqf9xrCEOOXUJ@nvidia.com>
On Wed, Aug 16, 2023 at 02:34:33PM -0300, Jason Gunthorpe wrote:
> 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
OK. I'd just do it in size then.
Thanks
Nic
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prev parent reply other threads:[~2023-08-16 17:38 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
2023-08-16 17:37 ` Nicolin Chen [this message]
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