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Re: [Qemu-ppc] [PATCH] pseries: Allow TCG h_enter to work with hotplugge
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-ppc] [PATCH] pseries: Allow TCG h_enter to work with hotplugged memory |
Date: |
Thu, 21 Jan 2016 11:19:51 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 |
On 21/01/2016 04:50, David Gibson wrote:
> On Thu, Jan 21, 2016 at 12:48:46PM +1100, Alexey Kardashevskiy
> wrote:
>> On 01/21/2016 12:41 PM, David Gibson wrote:
>>> The implementation of the H_ENTER hypercall for PAPR guests
>>> needs to enforce correct access attributes on the inserted
>>> HPTE. This means determining if the HPTE's real address is a
>>> regular RAM address (which requires attributes for coherent
>>> access) or an IO address (which requires attributes for
>>> cache-inhibited access).
>>>
>>> At the moment this check is implemented with (raddr <
>>> machine->ram_size), but that only handles addresses in the base
>>> RAM area, not any hotplugged RAM.
>>>
>>> This patch corrects the problem with a new helper.
>>>
>>> Signed-off-by: David Gibson <address@hidden>
>>
>>
>> Reviewed-by: Alexey Kardashevskiy <address@hidden>
>
> Thanks, merged to ppc-for-2.6.
Can you still remove the Pascal parentheses? :)
Paolo