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From: Pavel Machek <pavel@ucw.cz>
To: "H. Peter Anvin" <hpa@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>,
	hpa@zytor.com, linux-kernel@vger.kernel.org,
	keescook@chromium.org, tglx@linutronix.de,
	linux-tip-commits@vger.kernel.org
Subject: Re: [tip:x86/kaslr] x86, kaslr: Provide randomness functions
Date: Thu, 14 Nov 2013 00:23:49 +0100	[thread overview]
Message-ID: <20131113232349.GA13970@amd.pavel.ucw.cz> (raw)
In-Reply-To: <5283C7A8.2010902@linux.intel.com>

On Wed 2013-11-13 10:40:40, H. Peter Anvin wrote:
> On 11/13/2013 10:16 AM, Pavel Machek wrote:
> > 
> > If it is not performance critical, why not use "/dev/random"
> > infrastructure?
> > 
> 
> Because it doesn't exist yet?

Would it be feasible to initialize /dev/random earlier instead of
reinventing it?
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  reply	other threads:[~2013-11-13 23:23 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-11  0:18 [PATCH v8 0/6] Kernel base address randomization Kees Cook
2013-10-11  0:18 ` [kernel-hardening] " Kees Cook
2013-10-11  0:18 ` [PATCH v8 1/6] x86, boot: move CPU flags out of cpucheck Kees Cook
2013-10-11  0:18   ` [kernel-hardening] " Kees Cook
2013-10-13 12:01   ` [tip:x86/kaslr] x86, boot: Move " tip-bot for Kees Cook
2013-10-13 12:02   ` [tip:x86/kaslr] x86, boot: Rename get_flags() and check_flags() to *_cpuflags() tip-bot for H. Peter Anvin
2013-10-11  0:18 ` [PATCH v8 2/6] x86, kaslr: return location from decompress_kernel Kees Cook
2013-10-11  0:18   ` [kernel-hardening] " Kees Cook
2013-10-13 12:01   ` [tip:x86/kaslr] x86, kaslr: Return " tip-bot for Kees Cook
2013-10-11  0:18 ` [PATCH v8 3/6] x86, kaslr: provide randomness functions Kees Cook
2013-10-11  0:18   ` [kernel-hardening] " Kees Cook
2013-10-13 12:01   ` [tip:x86/kaslr] x86, kaslr: Provide " tip-bot for Kees Cook
2013-11-11 18:20     ` Ingo Molnar
2013-11-11 18:31       ` Ingo Molnar
2013-11-11 19:32         ` Kees Cook
2013-11-11 19:37           ` H. Peter Anvin
2013-11-11 20:07             ` Ingo Molnar
2013-11-11 20:11               ` Kees Cook
2013-11-11 20:16                 ` H. Peter Anvin
2013-11-11 19:27       ` H. Peter Anvin
2013-11-11 19:37         ` Kees Cook
2013-11-11 19:42           ` H. Peter Anvin
2013-11-11 19:58             ` Ingo Molnar
2013-11-11 20:04               ` H. Peter Anvin
2013-11-11 20:09                 ` Ingo Molnar
2013-11-13 18:16       ` Pavel Machek
2013-11-13 18:40         ` H. Peter Anvin
2013-11-13 23:23           ` Pavel Machek [this message]
2013-11-13 23:25             ` H. Peter Anvin
2013-10-11  0:18 ` [PATCH v8 4/6] x86, kaslr: select random position from e820 maps Kees Cook
2013-10-11  0:18   ` [kernel-hardening] " Kees Cook
2013-10-13 12:01   ` [tip:x86/kaslr] x86, kaslr: Select " tip-bot for Kees Cook
2013-10-11  0:18 ` [PATCH v8 5/6] x86, kaslr: report kernel offset on panic Kees Cook
2013-10-11  0:18   ` [kernel-hardening] " Kees Cook
2013-10-13 12:01   ` [tip:x86/kaslr] x86, kaslr: Report " tip-bot for Kees Cook
2013-10-11  0:18 ` [PATCH v8 6/6] x86, kaslr: raise max positions to 1GiB on x86_64 Kees Cook
2013-10-11  0:18   ` [kernel-hardening] " Kees Cook
2013-10-13 12:02   ` [tip:x86/kaslr] x86, kaslr: Raise the maximum virtual address to -1 GiB " tip-bot for Kees Cook

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