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Re: [Qemu-devel] [PATCH 05/13] target/arm/kvm: Add kvm_arch_get/put_sve

From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 05/13] target/arm/kvm: Add kvm_arch_get/put_sve
Date: Mon, 13 May 2019 09:58:59 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

On 5/13/19 7:39 AM, Dave Martin wrote:
> On that point, could TCG easily be made to expose a larger vector length
> to the kernel?  I'd be interested to see what happened.

It would be easy enough to extend the maximum vector length within TCG.

Increase ARM_MAX_VQ.  Alter the couple of places where we manipulate ZCR.LEN to
extend the current 4-bit mask.

How large do you need the max to be, for testing?


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