From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com,
jejb@linux.ibm.com, linux-kernel@vger.kernel.org,
linux-hyperv@vger.kernel.org, linux-scsi@vger.kernel.org,
mhkelley58@gmail.com
Cc: "Martin K . Petersen" <martin.petersen@oracle.com>
Subject: Re: [PATCH 1/1] scsi: storvsc: Fix ring buffer size calculation
Date: Tue, 23 Jan 2024 22:00:43 -0500 [thread overview]
Message-ID: <170606516777.594851.3500343804163840490.b4-ty@oracle.com> (raw)
In-Reply-To: <20240122170956.496436-1-mhklinux@outlook.com>
On Mon, 22 Jan 2024 09:09:56 -0800, mhkelley58@gmail.com wrote:
> Current code uses the specified ring buffer size (either the default of
> 128 Kbytes or a module parameter specified value) to encompass the one page
> ring buffer header plus the actual ring itself. When the page size is
> 4K, carving off one page for the header isn't significant. But when the
> page size is 64K on ARM64, only half of the default 128 Kbytes is left
> for the actual ring. While this doesn't break anything, the smaller
> ring size could be a performance bottleneck.
>
> [...]
Applied to 6.8/scsi-fixes, thanks!
[1/1] scsi: storvsc: Fix ring buffer size calculation
https://git.kernel.org/mkp/scsi/c/f4469f385835
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2024-01-24 3:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-22 17:09 [PATCH 1/1] scsi: storvsc: Fix ring buffer size calculation mhkelley58
2024-01-24 3:00 ` Martin K. Petersen [this message]
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