From: Matthew Wilcox <willy@infradead.org>
To: "Theodore Y. Ts'o" <tytso@mit.edu>,
Alexey Dobriyan <adobriyan@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: repeatable boot randomness inside KVM guest
Date: Sat, 14 Apr 2018 17:41:34 -0700 [thread overview]
Message-ID: <20180415004134.GB15294@bombadil.infradead.org> (raw)
In-Reply-To: <20180414224419.GA21830@thunk.org>
On Sat, Apr 14, 2018 at 06:44:19PM -0400, Theodore Y. Ts'o wrote:
> What needs to happen is freelist should get randomized much later in
> the boot sequence. Doing it later will require locking; I don't know
> enough about the slab/slub code to know whether the slab_mutex would
> be sufficient, or some other lock might need to be added.
Could we have the bootloader pass in some initial randomness?
next prev parent reply other threads:[~2018-04-15 0:41 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180414195921.GA10437@avx2>
2018-04-14 22:44 ` repeatable boot randomness inside KVM guest Theodore Y. Ts'o
2018-04-15 0:41 ` Matthew Wilcox [this message]
2018-04-17 9:13 ` James Bottomley
2018-04-17 11:47 ` Matthew Wilcox
2018-04-17 11:57 ` James Bottomley
2018-04-17 14:07 ` Matthew Wilcox
2018-04-17 15:20 ` James Bottomley
2018-04-17 15:16 ` Theodore Y. Ts'o
2018-04-17 15:42 ` James Bottomley
2018-04-17 21:40 ` Theodore Y. Ts'o
2018-04-16 15:54 ` Kees Cook
2018-04-16 16:15 ` Thomas Garnier
2018-04-17 0:31 ` Alexey Dobriyan
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