Re: [tip:x86/asm] x86/asm: Optimize clear_page()

[Ingo Molnar]

* Yinghai Lu <yinghai@xxxxxxxxxx> wrote:

> On Wed, Mar 1, 2017 at 1:47 AM, tip-bot for Borislav Petkov
> <tipbot@xxxxxxxxx> wrote:
> > Commit-ID:  49ca7bb328c630dd43be626534b49e19513296fd
> > Gitweb:     http://git.kernel.org/tip/49ca7bb328c630dd43be626534b49e19513296fd
> > Author:     Borislav Petkov <bp@xxxxxxx>
> > AuthorDate: Thu, 9 Feb 2017 01:34:49 +0100
> > Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
> > CommitDate: Wed, 1 Mar 2017 10:18:32 +0100
> >
> > x86/asm: Optimize clear_page()
> >
> > Currently, we CALL clear_page() which then JMPs to the proper function
> > chosen by the alternatives.
> >
> > What we should do instead is CALL the proper function directly. (This
> > was something Ingo suggested a while ago). So let's do that.
> 
> looks like this one broke the kexec.
> after revert it back, kexec work again.

Ok, this should be fixed in the new version I just pushed out:

  f25d38475519 x86/asm: Optimize clear_page()

Please let me know if it doesn't.

Thanks,

	Ingo