From: Richard Henderson <rth@twiddle.net>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Yongbok Kim <yongbok.kim@imgtec.com>,
Leon Alrae <leon.alrae@imgtec.com>,
QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH 3/3] tcg: Add MO_ALIGN, MO_UNALN
Date: Wed, 13 May 2015 14:08:28 -0700 [thread overview]
Message-ID: <5553BD4C.3060305@twiddle.net> (raw)
In-Reply-To: <CAFEAcA8f=xy3Tzxq1kWr4m0eWrAxQvEMYZGL=pJyyvoR5WdQRA@mail.gmail.com>
> /* MO_UNALN accesses are never checked for alignment; MO_ALIGN
> * accesses will result in a call to the CPU's do_unaligned_access
> * hook if the guest address is not aligned. The default depends
> * on whether the target CPU defines ALIGNED_ONLY.
> */
Fair enough.
> Are unaligned accesses always slow-path, by the way?
Yes.
r~
next prev parent reply other threads:[~2015-05-13 21:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-13 19:09 [Qemu-devel] [RFC 0/3] Per-memory-op alignment checks Richard Henderson
2015-05-13 19:09 ` [Qemu-devel] [PATCH 1/3] tcg: Merge memop and mmu_idx parameters to qemu_ld/st Richard Henderson
2015-05-13 20:46 ` Peter Maydell
2015-05-13 20:49 ` Richard Henderson
2015-05-13 19:09 ` [Qemu-devel] [PATCH 2/3] tcg: Push merged memop+mmu_idx parameter to softmmu routines Richard Henderson
2015-05-13 20:54 ` Peter Maydell
2015-05-13 21:06 ` Richard Henderson
2015-05-13 21:12 ` Peter Maydell
2015-05-13 19:10 ` [Qemu-devel] [PATCH 3/3] tcg: Add MO_ALIGN, MO_UNALN Richard Henderson
2015-05-13 21:04 ` Peter Maydell
2015-05-13 21:08 ` Richard Henderson [this message]
2015-05-13 21:15 ` Peter Maydell
2015-05-13 21:19 ` Richard Henderson
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