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Re: [PATCH v9 11/15] s390x: protvirt: Disable address checks for PV gues
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From: |
Christian Borntraeger |
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Subject: |
Re: [PATCH v9 11/15] s390x: protvirt: Disable address checks for PV guest IO emulation |
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Date: |
Thu, 12 Mar 2020 17:10:31 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 |
On 12.03.20 17:07, Janosch Frank wrote:
> On 3/12/20 4:41 PM, Christian Borntraeger wrote:
>> On 11.03.20 14:21, Janosch Frank wrote:
>>> IO instruction data is routed through SIDAD for protected guests, so
>>> adresses do not need to be checked, as this is kernel memory.
>>
>> Maybe also mention that the data structures for the I/O instrutions
>> start at offset 0 of the SIDA?
>
> You mean in the comment for get_address_from_regs() or in the commit
> message? It would certainly make sense for get_address_from_regs().
Maybe both?
Re: [PATCH v9 11/15] s390x: protvirt: Disable address checks for PV guest IO emulation, Claudio Imbrenda, 2020/03/13
Re: [PATCH v9 11/15] s390x: protvirt: Disable address checks for PV guest IO emulation, Cornelia Huck, 2020/03/17
[PATCH v9 02/15] s390x: protvirt: Support unpack facility, Janosch Frank, 2020/03/11