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From: Richard Henderson <rth@twiddle.net>
To: Yongbok Kim <yongbok.kim@imgtec.com>, qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, leon.alrae@imgtec.com, afaerber@suse.de
Subject: Re: [Qemu-devel] [PATCH v3 2/2] target-mips: Misaligned memory accesses for MSA
Date: Thu, 14 May 2015 11:44:54 -0700	[thread overview]
Message-ID: <5554ED26.3030403@twiddle.net> (raw)
In-Reply-To: <55546EFB.7060702@imgtec.com>

On 05/14/2015 02:46 AM, Yongbok Kim wrote:
> In addition to that, if we issue all the loads let say only the first page is
> accessible, in the architectural point of view it would be fine as nothing will
> be stored in the vector register but accessing the first page is "visible" from
> the data bus.
> Do you think this wouldn't cause any problem?
> It might be just implementation dependent though.

I don't think it would cause a problem unless the user is silly enough to issue
an MSA read to device memory.


r~

  reply	other threads:[~2015-05-14 18:45 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-13 15:37 [Qemu-devel] [PATCH v3 0/2] target-mips: Add support for misaligned accesses Yongbok Kim
2015-05-13 15:37 ` [Qemu-devel] [PATCH v3 1/2] target-mips: Misaligned memory accesses for R6 Yongbok Kim
2015-05-13 15:37 ` [Qemu-devel] [PATCH v3 2/2] target-mips: Misaligned memory accesses for MSA Yongbok Kim
2015-05-13 19:28   ` Richard Henderson
2015-05-13 19:56     ` Maciej W. Rozycki
2015-05-13 19:58       ` Richard Henderson
2015-05-13 20:59         ` Leon Alrae
2015-05-13 21:21           ` Maciej W. Rozycki
2015-05-13 21:36             ` Richard Henderson
2015-05-13 22:54               ` Maciej W. Rozycki
2015-05-14  8:51                 ` Leon Alrae
2015-05-14 11:22                   ` Maciej W. Rozycki
2015-05-13 21:31           ` Richard Henderson
2015-05-14  9:00     ` Yongbok Kim
2015-05-14  9:46       ` Yongbok Kim
2015-05-14 18:44         ` Richard Henderson [this message]
2015-05-14  9:50     ` Leon Alrae
2015-05-14 15:27       ` Richard Henderson
2015-05-14 19:12         ` Richard Henderson
2015-05-15 12:09           ` Leon Alrae
2015-05-15 13:43             ` Richard Henderson
2015-05-15 14:04               ` Leon Alrae

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