Displaying 3 results from an estimated 3 matches for "paging_cmpxchg_guest_entri".
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2007 May 14
0
[PATCH] x86: replace some intpte_t * casts
Don''t cast values when other (type safe) mechanisms are available to achieve
the same effect.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Index: 2007-05-14/xen/arch/x86/mm.c
===================================================================
--- 2007-05-14.orig/xen/arch/x86/mm.c 2007-05-14 08:40:14.000000000 +0200
+++ 2007-05-14/xen/arch/x86/mm.c 2007-05-14 08:40:20.000000000
2008 Jan 05
11
[PATCH] Fix performance problems with mprotect()
While working on a database scaling problem using a SAP database test suite we discovered that these enterprise level large shared memory databases are very heavy users of mprotect(), to the extent that the performance overhead in current Xenolinux impacts scaling beyond a few cpus quite badly. A single cpu run under Xen has a nominal impact, but scaling out to 8 cpus results in a performance of
2007 Mar 20
62
RFC: [0/2] Remove netloop by lazy copying in netback
Hi Keir:
These two patches remove the need for netloop by performing the
copying in netback and only if it is necessary. The rationale
is that most packets will be processed without delay allowing
them to be freed without copying at all. So instead of copying
every packet destined to dom0 we''ll only copy those that linger
longer than a specified amount of time (currently 0.5s).
As it