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From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] arm64: dts: Reduce size of virtio block device for foundation model
Date: Fri, 20 Dec 2013 14:25:24 +0000	[thread overview]
Message-ID: <20131220142524.GB11954@localhost> (raw)
In-Reply-To: <1387543964-15057-2-git-send-email-broonie@kernel.org>

On Fri, Dec 20, 2013 at 12:52:44PM +0000, Mark Brown wrote:
> From: Mark Brown <broonie@linaro.org>
> 
> Will Deacon observed that kvmtool uses a size of 0x200 for virtio
> block memory region and that the virtio block spec only uses 31 bytes in
> the device specific region at 0x100 so reduce the region to a less
> wasteful 0x200.

What do we waste by keeping it at 4K? That's ioremap'ed, so we use a
full page anyway.

-- 
Catalin

  reply	other threads:[~2013-12-20 14:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-20 12:52 [PATCH 1/2] arm64: dts: Add a virtio disk to the RTSM motherboard Mark Brown
2013-12-20 12:52 ` [PATCH 2/2] arm64: dts: Reduce size of virtio block device for foundation model Mark Brown
2013-12-20 14:25   ` Catalin Marinas [this message]
2013-12-20 16:05     ` Mark Brown
2013-12-20 16:34       ` Catalin Marinas
  -- strict thread matches above, loose matches on Subject: below --
2013-12-03 19:58 [PATCH 1/2] arm64: dts: Add a virtio disk to the RTSM motherboard Mark Brown
2013-12-03 19:58 ` [PATCH 2/2] arm64: dts: Reduce size of virtio block device for foundation model Mark Brown

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