On Wed, May 8, 2019 at 1:12 AM Peter Zijlstra wrote:
>
> Hated-by: Linus Torvalds
I can live with this cleaned-up version. I'm still not loving it, but
at least it now tries very hard to simplify other code. You can remote
the hated-by.
Linus
* Josh Poimboeuf wrote:
> On Wed, May 08, 2019 at 09:49:05AM +0200, Peter Zijlstra wrote:
> > Currently pt_regs on x86_32 has an oddity in that kernel regs
> > (!user_mode(regs)) are short two entries (esp/ss). This means that any
> > code trying to use them (typically: regs->sp) needs to jump
On Wed, May 08, 2019 at 09:49:05AM +0200, Peter Zijlstra wrote:
> Currently pt_regs on x86_32 has an oddity in that kernel regs
> (!user_mode(regs)) are short two entries (esp/ss). This means that any
> code trying to use them (typically: regs->sp) needs to jump through
> some unfortunate hoops.
>
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