kernel-fxtec-pro1x/arch/powerpc
Anton Blanchard b6dcde5c74 powerpc: Fix hypervisor TLB batching
Profiling of a page fault scalability microbenchmark shows flush_hash_range
is not calling the batch hpte invalidate hcall (H_BULK_REMOVE).

It turns out we have a duplicate firmware feature for hcall-bulk and the
current setup code stops after finding the first match. This meant we never
batch and always do individual invalidates.

The patch below removes the duplicate and shifts FW_FEATURE_CMO to close
the gap. With the patch applied the single threaded page fault rate improves
from 217169 to 238755 per second on a POWER5 test box, a 10% improvement.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-10-14 16:58:37 +11:00
..
boot Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next 2009-09-23 15:37:02 -07:00
configs Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2009-09-15 09:51:09 -07:00
include/asm powerpc: Fix hypervisor TLB batching 2009-10-14 16:58:37 +11:00
kernel powerpc: Cleanup linker script using new linker script macros. 2009-09-24 17:16:22 -07:00
kvm const: constify remaining file_operations 2009-10-01 16:11:11 -07:00
lib powerpc: Add configurable -Werror for arch/powerpc 2009-06-16 14:15:45 +10:00
math-emu powerpc/math-emu: Fix efp dependence 2009-03-11 06:00:08 -05:00
mm powerpc/mm: Fix hang accessing top of vmalloc space 2009-10-14 16:58:36 +11:00
oprofile powerpc: Remove unnecessary semicolons 2009-07-08 13:50:21 +10:00
platforms powerpc: Fix hypervisor TLB batching 2009-10-14 16:58:37 +11:00
sysdev powerpc: Change archdata dma_data to a union 2009-09-24 15:31:43 +10:00
xmon powerpc/4xx: Fix erroneous xmon warning on PowerPC 4xx 2009-09-24 15:31:49 +10:00
Kconfig powerpc: Increase NODES_SHIFT on 64bit from 4 to 8 2009-09-24 15:31:46 +10:00
Kconfig.debug powerpc: Add configurable -Werror for arch/powerpc 2009-06-16 14:15:45 +10:00
Makefile powerpc: Check for unsupported relocs when using CONFIG_RELOCATABLE 2009-09-24 15:31:40 +10:00
relocs_check.pl powerpc: Check for unsupported relocs when using CONFIG_RELOCATABLE 2009-09-24 15:31:40 +10:00