Messages in this thread | | | Date | Fri, 5 Aug 2016 15:40:10 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH] PM / hibernate: Image data protection during restoration |
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On Tue 2016-07-05 14:34:38, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > Make it possible to protect all pages holding image data during > hibernate image restoration by marking them read-only (so as to > catch attempts to write to those pages after image data have been > stored in them). > > This adds overhead to image restoration code (it may cause large > page mappings to be split as a result of page flags changes) and > the errors it protects against should never happen in theory, so > the feature is only active after passing hibernate=protect_image > to the command line of the restore kernel. > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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