Sergei Shtylyov wrote:
Add PowerPC decrementer clock event driver.
Every effort has been made to support the different implementations of the
decrementer: the classic one (with 970 series variation), 40x and Book E
specific ones.
I had to make CONFIG_GENERIC_CLOCKEVENTS option selectable for the
compatibility reasons -- this option is not compatible with the PPC64
deterministic time accounting.
Thanks to Daniel Walker and Thomas Gleixner for the suggestions they made...
Signed-off-by: Sergei Shtylyov <[email protected]>
Index: linux-2.6/arch/powerpc/Kconfig
===================================================================
--- linux-2.6.orig/arch/powerpc/Kconfig
+++ linux-2.6/arch/powerpc/Kconfig
@@ -317,7 +317,7 @@ config PPC_STD_MMU_32
config VIRT_CPU_ACCOUNTING
bool "Deterministic task and CPU time accounting"
- depends on PPC64
+ depends on PPC64 && !GENERIC_CLOCKEVENTS
default y
help
Select this option to enable more accurate task and CPU time
Thomas, that part of the ppc-clockevents.patch (part of the -rt patch) is
now broken, it makes CONFIG_MAX_ZONEORDER dependent on
!CONFIG_GENERIC_CLOCKEVENTS -- this is probably due to patch's fuzzy logic.
Do I need to send a patch to fix this?
WBR, Sergei
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