From: Jes Sorensen <jes@sgi.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH 1/1] Allow global purge traslation cache (ptc.g) to be
Date: Fri, 07 Sep 2007 08:38:07 +0000 [thread overview]
Message-ID: <46E10DEF.4020500@sgi.com> (raw)
In-Reply-To: <200708301338.34246.protasnb@gmail.com>
Luck, Tony wrote:
>> So far it appears to me that it will be defined for ia64 somewhere in
>> asm-generic/tlb.h and in asm-ia64/tlb.h as
>> platform_global_tlb_ipi_purge() something, but I'm not sure about
>> that, will have to start digging.
>
> I'm voting with David on this one ... machvec doesn't look like
> the right mechanism for this (all of the non-sn2 machvecs would
> potentially have to be duplicated to provide ptc.g and !ptc.g
> variants ... that doesn't sound like a good plan).
The reason why I suggested a machvec is to avoid cluttering up the
generic function with something like this. In addition I only see two
machvec's that may potentially get copied, the dig one and the hpzx1
one.
If we start adding clutter to the generic functions we will end up with
a 2-dimensional mesh of things where some is handled machvec style and
then we have local variations within the machvecs. I suspect the Unisys
and HP machines will end up having special machvecs for these machines
anyway.
Cheers,
Jes
next prev parent reply other threads:[~2007-09-07 8:38 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-30 20:38 [PATCH 1/1] Allow global purge traslation cache (ptc.g) to be disabled Natalie Protasevich
2007-08-31 1:15 ` [PATCH 1/1] Allow global purge traslation cache (ptc.g) to be Zou Nan hai
2007-08-31 1:45 ` [PATCH 1/1] Allow global purge traslation cache (ptc.g) to bedisabled Luck, Tony
2007-08-31 1:48 ` [PATCH 1/1] Allow global purge traslation cache (ptc.g) to Zou Nan hai
2007-09-03 8:06 ` [PATCH 1/1] Allow global purge traslation cache (ptc.g) to bedisabled Natalie Protasevich
2007-09-03 8:06 ` [PATCH 1/1] Allow global purge traslation cache (ptc.g) to be disabled - take 2 Natalie Protasevich
2007-09-03 9:21 ` [PATCH 1/1] Allow global purge traslation cache (ptc.g) to be disabled Jes Sorensen
2007-09-03 9:37 ` [PATCH 1/1] Allow global purge traslation cache (ptc.g) to be disabled - take 2 Jes Sorensen
2007-09-04 8:46 ` Robin Holt
2007-09-04 9:03 ` Luck, Tony
2007-09-04 14:58 ` Natalie Protasevich
2007-09-04 16:05 ` [PATCH 1/1] Allow global purge traslation cache (ptc.g) to be disabled Natalie Protasevich
2007-09-04 19:59 ` [PATCH 1/1] Allow global purge traslation cache (ptc.g) to be disabled - take 2 Bjorn Helgaas
2007-09-04 21:20 ` Natalie Protasevich
2007-09-05 13:35 ` [PATCH 1/1] Allow global purge traslation cache (ptc.g) to be Jes Sorensen
2007-09-05 13:57 ` [PATCH 1/1] Allow global purge traslation cache (ptc.g) to be disabled Robin Holt
2007-09-05 15:29 ` Natalie Protasevich
2007-09-05 15:47 ` David Mosberger-Tang
2007-09-05 16:01 ` Natalie Protasevich
2007-09-06 16:36 ` David Mosberger-Tang
2007-09-06 18:00 ` Natalie Protasevich
2007-09-07 7:38 ` Luck, Tony
2007-09-07 8:38 ` Jes Sorensen [this message]
2007-09-07 16:11 ` Bjorn Helgaas
2007-09-07 16:25 ` Natalie Protasevich
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