lkml.org 
[lkml]   [2004]   [Nov]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [1/7] Xen VMM #3: add ptep_establish_new to make va available
From
Date
On Tue, 2004-11-30 at 02:06 +0000, Ian Pratt wrote:
> This patch adds 'ptep_establish_new', in keeping with the
> existing 'ptep_establish', but for use where a mapping is being
> established where there was previously none present. This
> function is useful (rather than just using set_pte) because
> having the virtual address available enables a very important
> optimisation for arch-xen. We introduce
> HAVE_ARCH_PTEP_ESTABLISH_NEW and define a generic implementation
> in asm-generic/pgtable.h, following the pattern of the existing
> ptep_establish.

I would rather move toward that patch that David Miller proposed a while
ago that makes sure the necessary infos (mm, address, ...) are always
passed to all PTE functions.

Is there also a need for ptep_establish and ptep_establish_new to be 2
different functions ?

Ben.


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:08    [W:0.038 / U:0.896 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site