linux-kernel - Re: [v3,1/8] powerpc: Create a helper for getting the kernel toc value

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Message-ID: <56E9F2BD.2050504@gmail.com>
Date:	Thu, 17 Mar 2016 10:56:45 +1100
From:	Balbir Singh <bsingharora@...il.com>
To:	Torsten Duwe <duwe@....de>, Michael Ellerman <mpe@...erman.id.au>
Cc:	pmladek@...e.com, jeyu@...hat.com, Jiri Kosina <jikos@...nel.org>,
	linux-kernel@...r.kernel.org, rostedt@...dmis.org,
	kamalesh@...ux.vnet.ibm.com, linuxppc-dev@...abs.org,
	live-patching@...r.kernel.org, mbenes@...e.cz
Subject: Re: [v3,1/8] powerpc: Create a helper for getting the kernel toc
 value



On 17/03/16 01:58, Torsten Duwe wrote:
> On Wed, Mar 16, 2016 at 09:23:19PM +1100, Michael Ellerman wrote:
>> Sure. I'll try and get something working, though this merge window is not
>> starting well so I may not get time for a few weeks :)
> Do you already have something in mind?
> Can you give us a hint?
>
>
We need extra space in the stack, it can be on top of the stack with a pointer in PACA, we could use a fixed set size stack for only LR restore, if required TOC restore, but I think we only need LR space

Balbir Singh.