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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH RFC 04/11] s390/qemu: cpu model cpu facilitiy support |
Date: | Tue, 15 Oct 2013 15:46:57 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0 |
On 10/07/2013 03:47 AM, Michael Mueller wrote: > A second reason for using 2k of memory here is to fully represent the > facilities as defined > in the s390x architecture. The SIE state needs it and I want to represent it > identically in user > space and KVM. Otherwise I would need a specific interface just for the > facilities. If KVM needs the data in the format that you've got it in now, that's fair enough. Otherwise, 128 bits per s390 system seems nicer than 32 bits per facility. r~
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