Re: [patch 04/41] cpu ops: Core piece for generic atomic per cpu operations | KernelTrap

Re: [patch 04/41] cpu ops: Core piece for generic atomic per cpu operations

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From: Christoph Lameter

Subject: Re: [patch 04/41] cpu ops: Core piece for generic atomic per cpu operations

Date: Monday, June 16, 2008 - 7:29 pm

On Tue, 17 Jun 2008, Rusty Russell wrote:

quoted text> > The ia64 hook could simply return the address of percpu area that
> > was reserved when the per node memory layout was generated (which happens
> > very early during node bootstrap).
> 
> Apologies, this time I read the code.  I thought IA64 used the pinned TLB area 
> to access per-cpu vars under some circumstances, but they only do that via an 
> arch-specific macro.
> 
> So creating new congruent mappings to expand the percpu area(s) is our main 
> concern now?

The concern here was just consolidating the setup code for the per cpu 
areas.

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Messages in current thread:

[patch 04/41] cpu ops: Core piece for generic atomic per c ..., Christoph Lameter, (Thu May 29, 8:56 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Andrew Morton, (Thu May 29, 9:58 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Thu May 29, 10:17 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Andrew Morton, (Thu May 29, 10:38 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Thu May 29, 11:12 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Thu May 29, 11:32 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Fri May 30, 12:05 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Fri May 30, 12:08 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Fri May 30, 11:00 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Sun Jun 1, 7:00 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Mike Travis, (Wed Jun 4, 11:18 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Thu Jun 5, 4:59 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 9, 12:00 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 9, 4:09 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Mon Jun 9, 4:27 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 9, 4:54 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Mon Jun 9, 7:56 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 9, 8:18 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Tue Jun 10, 10:42 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Tue Jun 10, 5:03 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Tue Jun 10, 5:15 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Wed Jun 11, 4:10 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Wed Jun 11, 4:39 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Nick Piggin, (Wed Jun 11, 5:58 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Wed Jun 11, 7:44 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Nick Piggin, (Wed Jun 11, 8:40 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Martin Peschke, (Thu Jun 12, 2:37 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Nick Piggin, (Thu Jun 12, 4:21 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Thu Jun 12, 10:19 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Thu Jun 12, 5:38 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Thu Jun 12, 7:27 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Sun Jun 15, 3:33 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 16, 7:52 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Mon Jun 16, 5:24 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 16, 7:29 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Mike Travis, (Tue Jun 17, 7:21 am)

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