On Wed, Jul 2, 2008 at 1:33 AM, Ingo Molnar <mingo@xxxxxxx> wrote:
> hm, mcount is the facility - so it makes sense to have that defined.
> Here you basically hide CONFIG_MCOUNT:
>
>> -ifeq ($(CONFIG_MCOUNT),y)
>> - KBUILD_CFLAGS += -pg
>> +ifneq ($(CONFIG_FTRACE),y)
>> +ifeq ($(CONFIG_STACK_DEBUG),y)
>> +KBUILD_CFLAGS += -pg
>> +endif
>> endif
Even with CONFIG_MCOUNT we'd have to do something like this to prevent
duplicate -pg flags (I hope there's a prettier way of writing this):
ifneq ($(CONFIG_FTRACE),y)
ifeq ($(CONFIG_MCOUNT),y)
KBUILD_CFLAGS += -pg
endif
endif
> via two conditions. I'm not sure that's a win and i found CONFIG_MCOUNT
> a logical switch - but it's David's call.
Ok, but it really doesn't allow end user to switch between anything
through any menu. It gets selected via:
config MCOUNT
bool
depends on STACK_DEBUG || FTRACE
default y
I was attempting to decouple MCOUNT and STACK_DEBUG, which
incidentally made MCOUNT useless.
--
Regards,
Abhishek Sagar
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