Date: Wed, 06 Apr 2016 20:53:12 +0200 From: Yves-Alexis Perez <corsac@...ian.org> To: kernel-hardening@...ts.openwall.com, Kees Cook <keescook@...omium.org> Cc: Emrah Demir <ed@...sec.com>, Dan Rosenberg <dan.j.rosenberg@...il.com>, Dave Jones <davej@...hat.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: Re: [PATCH] KERNEL: resource: Fix bug on leakage in /proc/iomem file On mer., 2016-04-06 at 11:43 -0700, Linus Torvalds wrote: > Hibernation is really quite nasty when you have to have a fairly big > special partition for it, and shrink your memory down. Writing things > to disk was a whole lot more reasonable back in the days when laptops > had 16MB of memory. Actually you just have to have a swap partition, which people still set as more or less the ram size, I think, so all in all it works (especially if people hibernate without the ram completely used). > > I really wonder how many people use it with a modern laptop and > distro. I doubt it's much faster than just rebooting the whole system > anyway, and there are lots of downsides. I quite never hibernate on my laptop (it wouldn't work anyway since I boot wit kaslr and have PAX_SANITIZE), but I use hibernation on desktops where suspend to ram doesn't work because of radeon or nvidia graphic card (actually suspend usually works, resume doesn't). If/when suspend to ram works fine, I think hibernation is mostly useless. Regards, -- Yves-Alexis Download attachment "signature.asc" of type "application/pgp-signature" (474 bytes)
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