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Re: [Qemu-devel] [PATCH] watch_mem_write: implement 8-byte accesses
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] [PATCH] watch_mem_write: implement 8-byte accesses |
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Date: |
Tue, 17 Oct 2017 09:50:37 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
On 10/17/2017 05:17 AM, Paolo Bonzini wrote:
> Aligned 8-byte memory writes by a 64-bit target on a 64-bit host should
> always turn into atomic 8-byte writes on the host, however a write
> write watchpoint would end up tearing the 8-byte write into two 4-byte
> writes in access_with_adjusted_size().
>
> Reported-by: Andrew Baumann <address@hidden>
> Signed-off-by: Paolo Bonzini <address@hidden>
> ---
> exec.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
Reviewed-by: Richard Henderson <address@hidden>
r~