Re: [PATCH 01/27] ptrace: arch_has_single_step

[Andrew Morton]

On Sun, 25 Nov 2007 13:55:07 -0800 (PST) Roland McGrath <roland@xxxxxxxxxx> wrote:

> This defines the new macro arch_has_single_step() in linux/ptrace.h, a
> default for when asm/ptrace.h does not define it.  It declares the new
> user_enable_single_step and user_disable_single_step functions.
> This is not used yet, but paves the way to harmonize on this interface
> for the arch-specific calls on all machines.

I think I'll duck this lot for now in view of the (relatively small) amount
of followup.

I did do an experimental will-it-apply and got a tremendous number of
rejects against the x86 git tree, almost all of which went away when `patch
-l' was used.  Seems that someone has gone on a whitespace rampage through
arch/x86/ia32/ptrace32.c and arch/x86/ia32/ptrace64.c.

That's kinda/sorta OK, but `patch -l' is a bit more inclined to misplace
hunks and it's all a bit risky.
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