linux-kernel - Re: Updated scalable urandom patchkit

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Message-ID: <20151014021513.GE3533@two.firstfloor.org>
Date:	Wed, 14 Oct 2015 04:15:13 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	George Spelvin <linux@...izon.com>
Cc:	ahferroin7@...il.com, andi@...stfloor.org, jepler@...ythonic.net,
	linux-kernel@...r.kernel.org, linux@...musvillemoes.dk,
	tytso@....edu
Subject: Re: Updated scalable urandom patchkit

> Off hand, do you know how large a read each operation is?  I want to
> reduce mixback from once per 10 bytes to once per read, and the size
> ratio will give me some idea of how large an improvement to expect.

My test reads 64 bytes using the syscall.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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