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Re: [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics |
Date: |
Mon, 17 Jul 2017 00:16:52 +0200 |
User-agent: |
NeoMutt/20170113 (1.7.2) |
On 2017-07-16 11:59, Richard Henderson wrote:
> On 07/16/2017 11:43 AM, Aurelien Jarno wrote:
> > Indeed, if the same atomic code is used often it might be better to have
> > it cached. That said it's only true for TB that are recognized, as IIRC
> > TB with the exclusive lock are not cached.
>
> At the moment they are not.
>
> But in Emilio's multi-threaded tcg v2 patch set, posted just today, we
> change that by adding a CF_PARALLEL flag to TB->cflags, and incorporating
> that into the tb hash.
Thanks for the hint, I'll have a look. Unfortunately I have one week
backlog on the mailing list...
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
address@hidden http://www.aurel32.net
- Re: [Qemu-devel] [PATCH v2 05/27] target/sh4: Adjust TB_FLAG_PENDING_MOVCA, (continued)
- [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics, Richard Henderson, 2017/07/06
- Re: [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics, Aurelien Jarno, 2017/07/15
- Re: [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics, John Paul Adrian Glaubitz, 2017/07/15
- Re: [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics, Richard Henderson, 2017/07/15
- Re: [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics, Aurelien Jarno, 2017/07/16
- Re: [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics, Richard Henderson, 2017/07/16
- Re: [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics, Aurelien Jarno, 2017/07/16
- Re: [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics, Richard Henderson, 2017/07/16
- Re: [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics,
Aurelien Jarno <=
[Qemu-devel] [PATCH v2 07/27] target/sh4: Recognize common gUSA sequences, Richard Henderson, 2017/07/06
[Qemu-devel] [PATCH v2 08/27] linux-user/sh4: Notice gUSA regions during signal delivery, Richard Henderson, 2017/07/06
- Re: [Qemu-devel] [PATCH v2 08/27] linux-user/sh4: Notice gUSA regions during signal delivery, John Paul Adrian Glaubitz, 2017/07/07
- Re: [Qemu-devel] [PATCH v2 08/27] linux-user/sh4: Notice gUSA regions during signal delivery, Richard Henderson, 2017/07/07
- Re: [Qemu-devel] [PATCH v2 08/27] linux-user/sh4: Notice gUSA regions during signal delivery, John Paul Adrian Glaubitz, 2017/07/07
- Re: [Qemu-devel] [PATCH v2 08/27] linux-user/sh4: Notice gUSA regions during signal delivery, John Paul Adrian Glaubitz, 2017/07/07
- Re: [Qemu-devel] [PATCH v2 08/27] linux-user/sh4: Notice gUSA regions during signal delivery, Richard Henderson, 2017/07/07
- Re: [Qemu-devel] [PATCH v2 08/27] linux-user/sh4: Notice gUSA regions during signal delivery, John Paul Adrian Glaubitz, 2017/07/13
- Re: [Qemu-devel] [PATCH v2 08/27] linux-user/sh4: Notice gUSA regions during signal delivery, John Paul Adrian Glaubitz, 2017/07/13