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SubjectRe: [RFC][PATCH 1/2] x86: Allow breakpoints to emulate call functions
On Mon, 6 May 2019 11:06:51 -0700
Linus Torvalds <torvalds@linux-foundation.org> wrote:

> On Mon, May 6, 2019 at 10:06 AM Steven Rostedt <rostedt@goodmis.org> wrote:
> >
> > Can you try booting with:
> > [ snip snip ]
> >
> > And see if it boots?
>
> No it doesn't.
>
> Dang, I tried to figure out what's up, but now I really have to start
> handling all the puill requests..
>
> I thought it might be an int3 that happens on the entry stack, but I
> don't think that should ever happen. Either it's a user-mode int3, or
> we're in the kernel and have switched stacks. So I still don't see why
> my patch doesn't work, but now I have no time to debug it.
>

You should have waited another week to open that merge window ;-)

-- Steve

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