From: Zachary Amsden <zach@vmware.com>
To: Daniel Walker <dwalker@mvista.com>
Cc: linux-kernel@vger.kernel.org, ak@suse.de, chrisw@sous-sol.org,
jeremy@xensource.com, rusty@rustcorp.com.au
Subject: Re: + paravirt-vmi-timer-patches.patch added to -mm tree
Date: Sat, 06 Jan 2007 12:37:12 -0800 [thread overview]
Message-ID: <45A00878.1000705@vmware.com> (raw)
In-Reply-To: <1168106760.26086.222.camel@imap.mvista.com>
Daniel Walker wrote:
> On Fri, 2006-12-15 at 14:27 -0800, akpm@osdl.org wrote:
>
>> +
>> +config NO_IDLE_HZ
>> + bool
>> + depends on PARAVIRT
>> + default y
>> + help
>> + Switches the regular HZ timer off when the system is going
>> idle.
>> + This helps a hypervisor detect that the Linux system is
>> idle,
>> + reducing the overhead of idle systems.
>>
>
>
> There is already a dynamic tick (NO_HZ) system in the -mm tree .. Given
> that this implementation seems unnecessary. Why do you need another
> different system to do this?
>
We don't. This was written before the dynamic tick code, and now they
need to be merged. Until then, they can safely coexist.
Zach
next prev parent reply other threads:[~2007-01-06 20:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-15 22:27 + paravirt-vmi-timer-patches.patch added to -mm tree akpm
2007-01-06 16:54 ` Daniel Walker
2007-01-06 20:52 ` Zachary Amsden
2007-01-06 18:06 ` Daniel Walker
2007-01-06 20:37 ` Zachary Amsden [this message]
2007-01-06 20:40 ` Daniel Walker
2007-01-06 20:51 ` Zachary Amsden
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