On 07/30/2012 04:16 PM, Oleg Nesterov wrote:
I'd suggest you to make 2 patches:- 1/2 creates arch_uprobe_*_step(...) __weak helpers in kernel/events/uprobes.c which simply call user_*_single_step() and updates the callers Not strictly necessary, but imho makes sense... - 2/2 adds the x86 implementation in arch/x86/kernel/uprobes.c which still uses user_*_single_step() but checks TIF_SINGLESTEP. As your patch does, but you should use utask, not uprobe. IOW, I simply suggest to make your patch x86-specific. Then we will try to do more fixes/improvements. Sebastian, Ananth, what do you think?
Yup, let me try…
Oleg.
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