Re: [PATCH RFC 1/3] Add a trigger API for efficient non-blocking waiting

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From: Rusty Russell

Subject: Re: [PATCH RFC 1/3] Add a trigger API for efficient non-blocking waiting

Date: Sunday, August 24, 2008 - 5:53 pm

On Thursday 21 August 2008 05:25:46 Andrew Morton wrote:
quoted text> If stop_machine() is the _only_ problematic callsite and we reasonably
> expect that no new ones will pop up then sure, a
> stop_machine()-specific fix might be appropriate.
>
> Otherwise, sure, we'd need to loko at something more general.

The reason I'm interested is that we have 331 cpu_relax() calls outside the 
arch trees.  That seems like a lot, and I wonder if what they really want is
a spinpletion.

Cheers,
Rusty.
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Messages in current thread:

[PATCH RFC 1/3] Add a trigger API for efficient non-blocki ..., Jeremy Fitzhardinge, (Sat Aug 16, 9:34 am)

Re: [PATCH RFC 1/3] Add a trigger API for efficient non-bl ..., Arjan van de Ven, (Sat Aug 16, 10:47 am)

Re: [PATCH RFC 1/3] Add a trigger API for efficient non-bl ..., Randy Dunlap, (Sun Aug 17, 4:02 pm)

Re: [PATCH RFC 1/3] Add a trigger API for efficient non-bl ..., Andrew Morton, (Tue Aug 19, 11:21 pm)

Re: [PATCH RFC 1/3] Add a trigger API for efficient non-bl ..., Jeremy Fitzhardinge, (Wed Aug 20, 11:42 am)

Re: [PATCH RFC 1/3] Add a trigger API for efficient non-bl ..., Andrew Morton, (Wed Aug 20, 12:25 pm)

Re: [PATCH RFC 1/3] Add a trigger API for efficient non-bl ..., Jeremy Fitzhardinge, (Wed Aug 20, 1:14 pm)

Re: [PATCH RFC 1/3] Add a trigger API for efficient non-bl ..., Rusty Russell, (Sun Aug 24, 5:53 pm)

Re: [PATCH RFC 1/3] Add a trigger API for efficient non-bl ..., Christian Borntraeger, (Thu Aug 28, 5:27 am)


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