[PATCH 02/17] powerpc/85xx: do not sync time base at boot time

Zhao Chenhui-B35336 B35336 at freescale.com
Thu Apr 4 12:20:40 EST 2013


No other reason. Just avoid doing it again at boot time in kernel.

-Chenhui

________________________________________
From: Kumar Gala [galak at kernel.crashing.org]
Sent: Wednesday, April 03, 2013 23:10
To: Zhao Chenhui-B35336
Cc: linuxppc-dev at lists.ozlabs.org
Subject: Re: [PATCH 02/17] powerpc/85xx: do not sync time base at boot time

On Apr 3, 2013, at 8:09 AM, Zhao Chenhui wrote:

> From: Chen-Hui Zhao <chenhui.zhao at freescale.com>
>
> The bootloader have done time base sync for all cores, so skip
> the synchronization process at boot time of kernel.
>
> Signed-off-by: Zhao Chenhui <chenhui.zhao at freescale.com>
> Signed-off-by: Li Yang <leoli at freescale.com>
> Signed-off-by: Andy Fleming <afleming at freescale.com>
> ---
> arch/powerpc/platforms/85xx/smp.c |    8 ++++++++
> 1 files changed, 8 insertions(+), 0 deletions(-)

What harm is there in doing the sync?  I'm sure there is another reason you want to skip the TB sync that should be conveyed in the commit message.

- k



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