Date: Mon, 21 Oct 2013 18:22:08 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: John-Mark Gurney <jmg@funkthat.com> Cc: Andre Oppermann <andre@freebsd.org>, Mark R V Murray <mark@grondar.org>, freebsd-arch@freebsd.org Subject: Re: always load aesni or load it when cpu supports it Message-ID: <37693.1382379728@critter.freebsd.dk> In-Reply-To: <20131021164034.GU56872@funkthat.com> References: <20131020070022.GP56872@funkthat.com> <423D921D-6CE5-49D9-BCED-AB14EB236800@grondar.org> <20131020161634.GQ56872@funkthat.com> <5264F074.4010607@freebsd.org> <20131021164034.GU56872@funkthat.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In message <20131021164034.GU56872@funkthat.com>, John-Mark Gurney writes: >The choice of 32 blocks (512 bytes) was arbitrary, but chosen because >it is a disk sector size... If you're doing that much AES, on a slower >machine, you'll probably want to use an accelerator... I'd say it is both arbitrary and pointless. Logical "disk-sectors" under both GBDE and GELI can be any size (think RAID-5 stripe) and consumer harddisks have 4K sectors these days. Why do you fee a limit is necessary ? -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?37693.1382379728>