Re: [PATCH 00/18] Pile o' entry/exit/sp0 changes

Linus Torvalds
2017-10-26T15:55:14Z

On Thu, 26 Oct 2017, Andy Lutomirski wrote:
>
> Here's the first "real" version of this series. It's based on Linus'
> tree from a couple days ago.

Not seeing any problems in this series. I was hoping it would remove more
lines of code than it adds, and it's the reverse, but that seems to be
mostly the new push/pop stuff. I'm taking it we couldn't just replace the
'mov' instructions in the save/restore macros..

I *do* ask that when we have code like this:

POP_EXTRA_REGS
POP_C_REGS
addq $8, %rsp

that "addq $8" would have a comment about what stack entry we're skipping.

I *think* it's 'orig_eax', but wouldn't it be nice to say so?

Linus