* [PATCH 1/2] powerpc: Disable mcount tracers in pseries config
@ 2011-01-12 12:12 Anton Blanchard
2011-01-12 12:14 ` [PATCH 2/2] powerpc: Enable 64kB pages and 1024 threads " Anton Blanchard
0 siblings, 1 reply; 2+ messages in thread
From: Anton Blanchard @ 2011-01-12 12:12 UTC (permalink / raw)
To: benh; +Cc: linuxppc-dev
IRQSOFF_TRACER and STACK_TRACER force the kernel to be built with -pg
which is a substantial overhead.
Signed-off-by: Anton Blanchard <anton@samba.org>
---
Index: powerpc.git/arch/powerpc/configs/pseries_defconfig
===================================================================
--- powerpc.git.orig/arch/powerpc/configs/pseries_defconfig 2011-01-11 14:34:38.890639046 +1100
+++ powerpc.git/arch/powerpc/configs/pseries_defconfig 2011-01-12 23:06:28.770355258 +1100
@@ -311,9 +311,7 @@ CONFIG_DEBUG_KERNEL=y
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
CONFIG_LATENCYTOP=y
CONFIG_SYSCTL_SYSCALL_CHECK=y
-CONFIG_IRQSOFF_TRACER=y
CONFIG_SCHED_TRACER=y
-CONFIG_STACK_TRACER=y
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_DEBUG_STACK_USAGE=y
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH 2/2] powerpc: Enable 64kB pages and 1024 threads in pseries config
2011-01-12 12:12 [PATCH 1/2] powerpc: Disable mcount tracers in pseries config Anton Blanchard
@ 2011-01-12 12:14 ` Anton Blanchard
0 siblings, 0 replies; 2+ messages in thread
From: Anton Blanchard @ 2011-01-12 12:14 UTC (permalink / raw)
To: benh; +Cc: linuxppc-dev
- Enable 64kB pages so it gets some regular testing.
- The largest POWER7 has 1024 threads so bump NR_CPUS it to match.
Signed-off-by: Anton Blanchard <anton@samba.org>
---
Index: powerpc.git/arch/powerpc/configs/pseries_defconfig
===================================================================
--- powerpc.git.orig/arch/powerpc/configs/pseries_defconfig 2011-01-12 22:51:34.101760097 +1100
+++ powerpc.git/arch/powerpc/configs/pseries_defconfig 2011-01-12 22:52:47.434064107 +1100
@@ -2,7 +2,7 @@ CONFIG_PPC64=y
CONFIG_ALTIVEC=y
CONFIG_VSX=y
CONFIG_SMP=y
-CONFIG_NR_CPUS=128
+CONFIG_NR_CPUS=1024
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
@@ -45,6 +45,8 @@ CONFIG_KEXEC=y
CONFIG_IRQ_ALL_CPUS=y
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTREMOVE=y
+CONFIG_PPC_64K_PAGES=y
+CONFIG_PPC_SUBPAGE_PROT=y
CONFIG_SCHED_SMT=y
CONFIG_HOTPLUG_PCI=m
CONFIG_HOTPLUG_PCI_RPA=m
^ permalink raw reply [flat|nested] 2+ messages in thread
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