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Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas cal
From: |
Nikunj A Dadhania |
Subject: |
Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call |
Date: |
Thu, 26 Jun 2014 13:25:04 +0530 |
User-agent: |
Notmuch/0.17+27~gae47d61 (http://notmuchmail.org) Emacs/24.3.1 (x86_64-redhat-linux-gnu) |
Alexander Graf <address@hidden> writes:
> On 25.06.14 13:27, Nikunj A Dadhania wrote:
>> Alexander Graf <address@hidden> writes:
>>
>> Let me put down my understanding:
>>
>> There are two possible way to handle kernel panic:
>> 1) Kdump service running in guest - already working
>> 2) Pass the kernel panic information to hypervisor - not there in Qemu
>> pseries
>>
>> So without kdump service running, if linux kernel hits a panic, its going
>> to check os-term and extended-os-term, only then its going to call
>> os-term.
>
> It's checking both for a reason. Find that reason.
Here is what I figured out from PAPR:
rtas ibm,os-term, does not gaurantee a return back to the guest cpu.
If ibm,extended-os-term property is set rtas call return will always
occur.
Regards
Nikunj
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, (continued)
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Alexander Graf, 2014/06/17
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Nikunj A Dadhania, 2014/06/17
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Alexander Graf, 2014/06/17
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Nikunj A Dadhania, 2014/06/17
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Alexander Graf, 2014/06/17
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Nikunj A Dadhania, 2014/06/17
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Nikunj A Dadhania, 2014/06/25
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Alexander Graf, 2014/06/25
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Nikunj A Dadhania, 2014/06/25
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Alexander Graf, 2014/06/25
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call,
Nikunj A Dadhania <=
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Alexander Graf, 2014/06/26
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Nikunj A Dadhania, 2014/06/26
- Re: [Qemu-devel] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call, Alexander Graf, 2014/06/26