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Re: [Qemu-ppc] [PATCH 01/13] target/ppc: Add do_unaligned_access hook
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From: |
David Gibson |
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Subject: |
Re: [Qemu-ppc] [PATCH 01/13] target/ppc: Add do_unaligned_access hook |
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Date: |
Thu, 28 Jun 2018 13:46:05 +1000 |
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User-agent: |
Mutt/1.10.0 (2018-05-17) |
On Wed, Jun 27, 2018 at 06:52:49AM -0700, Richard Henderson wrote:
> On 06/27/2018 02:09 AM, David Gibson wrote:
> > On Tue, Jun 26, 2018 at 09:19:09AM -0700, Richard Henderson wrote:
> >> This allows faults from MO_ALIGN to have the same effect
> >> as from gen_check_align.
> >>
> >> Signed-off-by: Richard Henderson <address@hidden>
> >
> > So, most powerpc cpus can handle most unaligned accesses without an
> > exception. I'm assuming this series won't preclude that?
>
> Correct. This hook will only fire when using MO_ALIGN to
> request an alignment check.
Thanks for the confirmation, first patch applied to ppc-for-3.0.
Continuing to look at the rest.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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[Qemu-ppc] [PATCH 05/13] target/ppc: Remove POWERPC_EXCP_STCX, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 06/13] target/ppc: Tidy gen_conditional_store, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 07/13] target/ppc: Split out gen_load_locked, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 09/13] target/ppc: Split out gen_st_atomic, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 08/13] target/ppc: Split out gen_ld_atomic, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 10/13] target/ppc: Use MO_ALIGN for EXIWX and ECOWX, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 12/13] target/ppc: Implement the rest of gen_ld_atomic, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 04/13] target/ppc: Use atomic cmpxchg for STQCX, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 11/13] target/ppc: Use atomic min/max helpers, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 13/13] target/ppc: Implement the rest of gen_st_atomic, Richard Henderson, 2018/06/26