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From: Julien Grall <julien.grall@linaro.org>
To: Ian Campbell <ian.campbell@citrix.com>,
	Vijay Kilari <vijay.kilari@gmail.com>
Cc: Vijaya Kumar K <vijaya.kumar@caviumnetworks.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
	Stefano Stabellini <stefano.stabellini@citrix.com>,
	manish.jaggi@caviumnetworks.com,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: Re: xen/arm: VCPUOP_register_vcpu_info fails with CONFIG_ARM64_64K_PAGES
Date: Wed, 25 Mar 2015 13:03:36 +0000	[thread overview]
Message-ID: <5512B228.7070109@linaro.org> (raw)
In-Reply-To: <1427278223.10784.42.camel@citrix.com>

Hi,

On 25/03/15 10:10, Ian Campbell wrote:
> On Wed, 2015-03-25 at 12:22 +0530, Vijay Kilari wrote:
>> Hi,
>>
>>    Dom0 fails to boot with Xen with CONFIG_ARM64_64K_PAGES enabled because of
>> map_vcpu_info() make check of page offset based of PAGE_SIZE which is 4K in Xen.
>> Is this know issue that is fixed?. I am using 4.5 rc1 Xen code base.
> 
> Julien has done some work with 64K pages, but I don't know if he has
> fixed this specific issue. In any case as it stands 64K pages are not
> yet supported under Xen (it's mostly a kernel side issue though).

This VCPUOP_register_vcpu issue is one problem among many others.

I'm working on adding support for 64K pages with Xen in the kernel. So
far, I have a guest booting with disk support and dom0 booting.

Regards,

-- 
Julien Grall

      reply	other threads:[~2015-03-25 13:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-25  6:52 xen/arm: VCPUOP_register_vcpu_info fails with CONFIG_ARM64_64K_PAGES Vijay Kilari
2015-03-25 10:10 ` Ian Campbell
2015-03-25 13:03   ` Julien Grall [this message]

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