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Re: [Qemu-devel] [Qemu-ppc] [PATCH RFC v1 0/3] Enable MTTCG on PPC64

From: Nikunj A Dadhania
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH RFC v1 0/3] Enable MTTCG on PPC64
Date: Mon, 10 Apr 2017 22:37:59 +0530
User-agent: Notmuch/0.23.5 (https://notmuchmail.org) Emacs/25.1.1 (x86_64-redhat-linux-gnu)

Cédric Le Goater <address@hidden> writes:

> On 04/10/2017 06:44 PM, Nikunj A Dadhania wrote:
>> Cédric Le Goater <address@hidden> writes:
>>> On 04/07/2017 08:07 AM, Cédric Le Goater wrote:
>>>> On 04/07/2017 07:24 AM, Nikunj A Dadhania wrote:
>>>>> Cédric Le Goater <address@hidden> writes:
>>>> sure. pnv is still on 2.9, so I will rebase on 2.10, merge your 
>>>> patches  and tell you.
>>> The system seems to be spinning in skiboot in cpu_idle/relax when 
>>> starting the linux kernel. It finally boots, but it is rather long.
>>> David has merged enough to test if you want to give it a try.
>> I have got your powernv-ipmi-2.9 + ppc64 mttcg patches, and testing
>> them. I too saw delay during boot, but wasn't aware that its caused by
>> mttcg. I will have a look.
> You can use David's branch directly now, there is enough support.


> I am not sure where that is exactly, the kernel is somewhere in
> early_setup(). It might be the secondary spinloop.

Lot of prints missing, i think I need to add a console.

[    2.303286014,5] INIT: Starting kernel at 0x20010000, fdt at 0x30354908 
14865 bytes)
[   43.421998779,5] OPAL: Switch to little-endian OS
 -> smp_release_cpus()
spinning_secondaries = 3
 <- smp_release_cpus()
[    0.260526] nvram: Failed to find or create lnx,oops-log partition, err -28
[    0.264448] nvram: Failed to initialize oops partition!


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