Re: [RFC][PATCH 1/2] x86: Allow breakpoints to emulate call functions

From: Steven Rostedt
Date: Tue May 07 2019 - 11:46:35 EST

On Tue, 7 May 2019 08:31:14 -0700
Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> The reality is that changing something fundamental like the kernel
> stack at this point for an architecture that will not change in the
> future is silly.

x86_32 will no longer have updates, but will x86_64? And we will
constantly be adding more work around hacks to handle the difference of
the pt_regs in the future. I see Peter's patch easing that future pain.

> The reality is that Peter's patch is much bigger than mine, because it
> needed a lot of other changes *because* it did that change.

It was much bigger because it removed a lot of the work around hacks.

But you are the "benevolent dictator", and I don't see me changing your

I'll go and implement it the way you like.

-- Steve