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Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for vari
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes |
Date: |
Wed, 17 Sep 2014 02:22:19 -0400 (EDT) |
> What if instead of having a "mmu_index" for the mmu arrays, we have a pointer
> to the "mmu context". This does imply an extra memory load on the fast path,
> but probably not an extra instruction.
>
> With this, we can suddenly afford to have a relatively large number of mmu
> contexts, with which we could implement address space numbers for relevant
> targets.
>
> It is, of course, a much larger change, but perhaps it's of larger benefit.
Sounds good. I can give it a shot---in the meanwhile, since I forgot to
Cc qemu-ppc, Alex can you review/apply patch 1?
Paolo
- Re: [Qemu-devel] [PATCH 04/14] ppc: introduce ppc_get_cr and ppc_set_cr, (continued)
- [Qemu-devel] [PATCH 01/14] ppc: do not look at the MMU index to detect PR/HV mode, Paolo Bonzini, 2014/09/15
- [Qemu-devel] [PATCH 02/14] softmmu: support up to 12 MMU modes, Paolo Bonzini, 2014/09/15
- [Qemu-devel] [PATCH 05/14] ppc: use CRF_* in fpu_helper.c, Paolo Bonzini, 2014/09/15
- [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Paolo Bonzini, 2014/09/15
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Tom Musta, 2014/09/16
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Richard Henderson, 2014/09/16
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Paolo Bonzini, 2014/09/16
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Richard Henderson, 2014/09/16
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Richard Henderson, 2014/09/16
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Paolo Bonzini, 2014/09/17
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Richard Henderson, 2014/09/17
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Paolo Bonzini, 2014/09/17
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Richard Henderson, 2014/09/17
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Peter Maydell, 2014/09/16
- Re: [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes, Richard Henderson, 2014/09/16
[Qemu-devel] [PATCH 06/14] ppc: introduce helpers for mfocrf/mtocrf, Paolo Bonzini, 2014/09/15
[Qemu-devel] [PATCH 07/14] ppc: reorganize gen_compute_fprf, Paolo Bonzini, 2014/09/15