um: Rewrite show_stack()
Currently on UML stack traces are not very reliable and both
x86 and x86_64 have their on implementations.
This patch unifies both and adds support to outline unreliable
functions calls.
Signed-off-by:
Richard Weinberger <richard@nod.at>
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- arch/um/kernel/sysrq.c 53 additions, 32 deletionsarch/um/kernel/sysrq.c
- arch/um/kernel/um_arch.c 0 additions, 1 deletionarch/um/kernel/um_arch.c
- arch/x86/um/asm/processor_32.h 5 additions, 0 deletionsarch/x86/um/asm/processor_32.h
- arch/x86/um/asm/processor_64.h 5 additions, 0 deletionsarch/x86/um/asm/processor_64.h
- arch/x86/um/sysrq_32.c 0 additions, 66 deletionsarch/x86/um/sysrq_32.c
- arch/x86/um/sysrq_64.c 1 addition, 7 deletionsarch/x86/um/sysrq_64.c
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