From mboxrd@z Thu Jan 1 00:00:00 1970 From: catalin.marinas@arm.com (Catalin Marinas) Date: Fri, 20 Dec 2013 14:25:24 +0000 Subject: [PATCH 2/2] arm64: dts: Reduce size of virtio block device for foundation model In-Reply-To: <1387543964-15057-2-git-send-email-broonie@kernel.org> References: <1387543964-15057-1-git-send-email-broonie@kernel.org> <1387543964-15057-2-git-send-email-broonie@kernel.org> Message-ID: <20131220142524.GB11954@localhost> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Dec 20, 2013 at 12:52:44PM +0000, Mark Brown wrote: > From: Mark Brown > > 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