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Re: [Qemu-ppc] [PATCH RFC 0/4] Enable MTTCG on PowerPC
From: |
Nikunj A Dadhania |
Subject: |
Re: [Qemu-ppc] [PATCH RFC 0/4] Enable MTTCG on PowerPC |
Date: |
Fri, 02 Sep 2016 13:09:05 +0530 |
User-agent: |
Notmuch/0.21 (https://notmuchmail.org) Emacs/25.0.94.1 (x86_64-redhat-linux-gnu) |
Benjamin Herrenschmidt <address@hidden> writes:
> On Fri, 2016-09-02 at 12:02 +0530, Nikunj A Dadhania wrote:
>> The series is a first attempt at enabling Multi-Threaded TCG on PowerPC.
>> Changes that were needed to enable PowerPC are pretty simple;
>>
>> Patch 01: Take a iothread lock during hcall, as hcall can generate io
>> requests
>> 02: For TCG, we were harcoding smt as 1, this gets rid of the
>> limitation
>
> If we do this, we need to implement the shared SPRs properly
Sure, will have a look at it.
> and the inter-thread doorbells...
You mean the below ?
>> TODO
>> ====
>> Implement msgsndp instructions(door-bell), newer kernels enable it
>> depending on the PVR. I have been using following workaround to boot.
>> https://github.com/nikunjad/qemu/commit/2c10052c5f93418a6b920e6ba3ce1813fcf50bc4
Regards,
Nikunj
- Re: [Qemu-ppc] [PATCH RFC 3/4] target-ppc: use atomic_cmpxchg for ld/st reservation, (continued)
- Re: [Qemu-ppc] [PATCH RFC 3/4] target-ppc: use atomic_cmpxchg for ld/st reservation, David Gibson, 2016/09/07
- Re: [Qemu-ppc] [PATCH RFC 3/4] target-ppc: use atomic_cmpxchg for ld/st reservation, Alex Bennée, 2016/09/07
- Re: [Qemu-ppc] [PATCH RFC 3/4] target-ppc: use atomic_cmpxchg for ld/st reservation, David Gibson, 2016/09/11
- Re: [Qemu-ppc] [PATCH RFC 3/4] target-ppc: use atomic_cmpxchg for ld/st reservation, Alex Bennée, 2016/09/12
- Re: [Qemu-ppc] [PATCH RFC 3/4] target-ppc: use atomic_cmpxchg for ld/st reservation, Benjamin Herrenschmidt, 2016/09/12
Re: [Qemu-ppc] [Qemu-devel] [PATCH RFC 0/4] Enable MTTCG on PowerPC, Cédric Le Goater, 2016/09/02
Re: [Qemu-ppc] [PATCH RFC 0/4] Enable MTTCG on PowerPC, Benjamin Herrenschmidt, 2016/09/02