Re: [PATCH] x86/hibernate: Use fixmap for saving unmapped pages

From: Rafael J. Wysocki
Date: Tue Jan 03 2023 - 12:55:25 EST


On Tue, Jan 3, 2023 at 6:23 PM Edgecombe, Rick P
<rick.p.edgecombe@xxxxxxxxx> wrote:
>
> On Mon, 2022-12-05 at 13:46 +0100, Rafael J. Wysocki wrote:
> > >
> > > Hi,
> > >
> > > Since none of the module space allocation overhauls ever seem to go
> > > smoothly
> > > and it may be awhile before VM_FLUSH_RESET_PERMS in not needed, I
> > > thought I
> > > would try and fix up some of its deficiencies in the meantime. This
> > > is
> > > pre-work for that, but I thought it was useful enough on it's own.
> > >
> > > The testing was hacking up hibernate to load some data to a huge NP
> > > mapping
> > > and making sure the data was there when it came back.
> >
> > OK, so I don't feel like it is 6.2 material at this point.
> >
> > Please resend it when 6.2-rc1 is out so it gets some more significant
> > linux-next coverage before going into the mainline.
> >
> > Thanks!
>
> Hi,
>
> This still applies fine on both tip and Linus' tree. Is it a good time?

Sure.

Thanks!