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Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALI
From: |
Laurent Desnogues |
Subject: |
Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED |
Date: |
Wed, 6 Apr 2016 14:02:25 +0200 |
On Wed, Apr 6, 2016 at 1:44 PM, Paolo Bonzini <address@hidden> wrote:
>
>
> On 05/04/2016 22:09, Lluís Vilanova wrote:
>> Ah. That's just an example. For cross-compilation you would use a different
>> march argument (or none to use the default target sub-arch) and get the
>> parameter for the target processor. This should already be known by
>> configure as
>> part of the arguments to select the cross-compiler and target architecture
>> (e.g., CC).
>
> I would just use 64, with special cases for PPC and s390... even for
> AArch64 128 seems a little wasteful.
As far as I know, the only AArch64 CPU to have 128-byte cache line is
Cavium ThunderX (it seems to also be the case for Cavium MIPS-based
CPU).
Laurent
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED, (continued)
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED, Lluís Vilanova, 2016/04/05
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED, Peter Maydell, 2016/04/05
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED, Paolo Bonzini, 2016/04/05
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED, Lluís Vilanova, 2016/04/05
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED, Richard Henderson, 2016/04/05
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED, Peter Maydell, 2016/04/05
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED, Lluís Vilanova, 2016/04/05
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED, Richard Henderson, 2016/04/05
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED, Lluís Vilanova, 2016/04/05
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED, Paolo Bonzini, 2016/04/06
- Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED,
Laurent Desnogues <=
[Qemu-devel] [PATCH 10/10] tb hash: track translated blocks with qht, Emilio G. Cota, 2016/04/05
[Qemu-devel] [PATCH 08/10] qht: QEMU's fast, resizable and scalable Hash Table, Emilio G. Cota, 2016/04/05
[Qemu-devel] [PATCH 01/10] translate-all: add missing fold of tb_ctx into tcg_ctx, Emilio G. Cota, 2016/04/05
[Qemu-devel] [PATCH 09/10] qht: add test program, Emilio G. Cota, 2016/04/05