* Allocating uncacheable memory from OS
@ 2005-05-17 7:37 Keith Owens
2005-05-17 8:01 ` David Mosberger
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Keith Owens @ 2005-05-17 7:37 UTC (permalink / raw)
To: linux-ia64
Is there any ia64 OS routine for allocating uncacheable memory? I am
trying to simulate the SAL/OS interface for MCA handling and the
min-state area is expected to be uncacheable.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Allocating uncacheable memory from OS
2005-05-17 7:37 Allocating uncacheable memory from OS Keith Owens
@ 2005-05-17 8:01 ` David Mosberger
2005-05-18 8:15 ` Jes Sorensen
2005-05-18 10:25 ` Keith Owens
2 siblings, 0 replies; 4+ messages in thread
From: David Mosberger @ 2005-05-17 8:01 UTC (permalink / raw)
To: linux-ia64
>>>>> On Tue, 17 May 2005 17:37:39 +1000, Keith Owens <kaos@sgi.com> said:
Keith> Is there any ia64 OS routine for allocating uncacheable
Keith> memory? I am trying to simulate the SAL/OS interface for MCA
Keith> handling and the min-state area is expected to be
Keith> uncacheable.
Jes Sorensen was/has been working on such a thing.
--david
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Allocating uncacheable memory from OS
2005-05-17 7:37 Allocating uncacheable memory from OS Keith Owens
2005-05-17 8:01 ` David Mosberger
@ 2005-05-18 8:15 ` Jes Sorensen
2005-05-18 10:25 ` Keith Owens
2 siblings, 0 replies; 4+ messages in thread
From: Jes Sorensen @ 2005-05-18 8:15 UTC (permalink / raw)
To: linux-ia64
>>>>> "David" = David Mosberger <davidm@napali.hpl.hp.com> writes:
>>>>> On Tue, 17 May 2005 17:37:39 +1000, Keith Owens <kaos@sgi.com> said:
Keith> Is there any ia64 OS routine for allocating uncacheable memory?
Keith> I am trying to simulate the SAL/OS interface for MCA handling
Keith> and the min-state area is expected to be uncacheable.
David> Jes Sorensen was/has been working on such a thing.
Yep,
I have something in the works, it used to be part of the mspec driver
but I am in the process of pulling it out and making it a seperate
entity.
Currently the thing operates at page size entries only, is that
sufficient for you Keith?
Cheers,
Jes
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Allocating uncacheable memory from OS
2005-05-17 7:37 Allocating uncacheable memory from OS Keith Owens
2005-05-17 8:01 ` David Mosberger
2005-05-18 8:15 ` Jes Sorensen
@ 2005-05-18 10:25 ` Keith Owens
2 siblings, 0 replies; 4+ messages in thread
From: Keith Owens @ 2005-05-18 10:25 UTC (permalink / raw)
To: linux-ia64
On 18 May 2005 04:15:03 -0400,
Jes Sorensen <jes@wildopensource.com> wrote:
>>>>>> "David" = David Mosberger <davidm@napali.hpl.hp.com> writes:
>
>>>>>> On Tue, 17 May 2005 17:37:39 +1000, Keith Owens <kaos@sgi.com> said:
>Keith> Is there any ia64 OS routine for allocating uncacheable memory?
>Keith> I am trying to simulate the SAL/OS interface for MCA handling
>Keith> and the min-state area is expected to be uncacheable.
>
>David> Jes Sorensen was/has been working on such a thing.
>
>Yep,
>
>I have something in the works, it used to be part of the mspec driver
>but I am in the process of pulling it out and making it a seperate
>entity.
>
>Currently the thing operates at page size entries only, is that
>sufficient for you Keith?
Page size allocations are exactly what I need.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2005-05-17 7:37 Allocating uncacheable memory from OS Keith Owens
2005-05-17 8:01 ` David Mosberger
2005-05-18 8:15 ` Jes Sorensen
2005-05-18 10:25 ` Keith Owens
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