-----Original Message-----
From: Wood Scott-B07421
Sent: Thursday, April 04, 2013 4:16 AM
To: Wang Dongsheng-B40534
Cc: Wood Scott-B07421; Johannes Berg; linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc: add Book E support to 64-bit hibernation
=20
On 04/03/2013 12:36:41 AM, Wang Dongsheng-B40534 wrote:

quoted

quoted

-----Original Message-----
From: Wood Scott-B07421
Sent: Wednesday, April 03, 2013 8:35 AM
To: Wang Dongsheng-B40534
Cc: Wood Scott-B07421; Johannes Berg; linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc: add Book E support to 64-bit

hibernation

quoted

On 04/02/2013 12:28:40 AM, Wang Dongsheng-B40534 wrote:

quoted

Hi scott & Johannes,

Thanks for reviewing.

@scott, About this patch, could you please help ack this patch?

Please investigate the issue of whether we are loading kernel module
code in this step, and whether cache flushing is needed as a result.

Sorry, I am not very clear what you mean.
When the kernel boot end, modprobe some xx.ko?

=20
Suppose, before the kernel was suspended, modules had been loaded.  At
what point do those modules get restored, and when does the cache get
flushed?
=20

Before the kernel was suspended, modules had been loaded, the modules is
already in memory. And /lib/modules/* is belong to vfs.
When suspend to disk, all used pages will be saved.(Include VFS, Loaded mod=
ules)
When restore, the kernel will not modprobe again.
The non-bootcpu will restore all pages.(Include VFS, Loaded modules)

So, It does not need to flush.