Re: How to build the kernel without any optimization?

2010-08-23 Thread Shawn Jin
I already added the following to arch/powerpc/Makefile. # Prevent GDB from jumping around in the code when trying to single step ifeq ($(CONFIG_DEBUG_KERNEL),y) KBUILD_CFLAGS           += -fno-schedule-insns -fno-schedule-insns2 endif much of the kernel can not be build without

How to build the kernel without any optimization?

2010-08-21 Thread Shawn Jin
Hi, I'm tracing the execution of ds1307_probe() and find that some of variables or function arguments cannot be printed in gdb because they are optimized out or not in the current context. This really gives some headache. Is there a way to build the kernel without any optimization? What gcc

Re: How to build the kernel without any optimization?

2010-08-21 Thread Nicholas Mc Guire
On Fri, 20 Aug 2010, Shawn Jin wrote: Hi, I'm tracing the execution of ds1307_probe() and find that some of variables or function arguments cannot be printed in gdb because they are optimized out or not in the current context. This really gives some headache. Is there a way to build the