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Re: [qemu-s390x] [Qemu-devel] [PATCH v1 14/33] s390x/tcg: Implement VECT
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From: |
Richard Henderson |
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Subject: |
Re: [qemu-s390x] [Qemu-devel] [PATCH v1 14/33] s390x/tcg: Implement VECTOR LOAD MULTIPLE |
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Date: |
Thu, 28 Feb 2019 22:34:41 -0800 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
On 2/28/19 11:05 AM, David Hildenbrand wrote:
> So for writing from helpers, I can use probe_write(). What about testing
> write access from TCG code?
>
> I could do a load, followed by a store of the loaded value. This should
> work in most cases (but eventually could be observed by somebody really
> wanting to observe it - which is highly unlikely).
I would call a helper for probe_write.
r~
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