Messages in this thread | | | Date | Fri, 20 Apr 2018 12:16:46 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH 2/2] x86, pti: fix boot warning from Global-bit setting |
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On Tue, 17 Apr 2018, Dave Hansen wrote:
> > These are _very_ lightly tested. I'm throwing them out there for > folks are looking for a fix. > > --- > > From: Dave Hansen <dave.hansen@linux.intel.com> > > pageattr.c is not friendly when it encounters empty (zero) PTEs. The > kernel linear map is exempt from these checks, but kernel text is not. > This patch adds the code to also exempt kernel text from these checks.
Bah. Changelogs should tell the WHY and not the WHAT
> The proximate cause of these warnings was most likely an __init area > that spanned a 2MB page boundary that resulted in a "zero" PMD.
This doesn't make any sense at all.
Thanks,
tglx
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