On Thu, 2008-11-20 at 09:10 +1100, Paul Mackerras wrote: > Johannes Berg writes: > > > On my screen, when something crashes, I only have space for maybe > > 16 functions of the stack trace before the information above it > > scrolls off the screen. It's easy to hack the kernel to print out > > only that much, but it's harder to remember to do it. This patch > > introduces a config option for it so that I can keep the setting > > in my config. > > > > Signed-off-by: Johannes Berg <[EMAIL PROTECTED]> > > --- > > Sure, here's an updated version. I used DEBUG_KERNEL since the > > ADVANCED_CONFIGURATION help text implies it's for MM and can cause the > > kernel to not boot, not something this config is related to. > > Um, with this I get a compile error when DEBUG_KERNEL=n: > > CC arch/powerpc/kernel/process.o > /home/paulus/kernel/powerpc/arch/powerpc/kernel/process.c:1001: error: > 'CONFIG_PRINT_STACK_DEPTH' undeclared here (not in a function) > make[2]: *** [arch/powerpc/kernel/process.o] Error 1
Ouch, clearly I haven't been paying attention, my mistake. Sorry about that. > I think it needs to look like this: > > +config PRINT_STACK_DEPTH > + int "Stack depth to print" if DEBUG_KERNEL Yes, that's better, thanks. johannes
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