linux-kernel - Re: linux-next: manual merge of the vfs tree with the aio-direct tree

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20130918170630.GA2103@lenny.msi.event>
Date:	Wed, 18 Sep 2013 10:06:30 -0700
From:	Zach Brown <zab@...hat.com>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Dave Kleikamp <dave.kleikamp@...cle.com>
Subject: Re: linux-next: manual merge of the vfs tree with the aio-direct tree

> As for aio-direct...  Two questions:
> 	* had anybody tried to measure the effect on branch predictor from
> introducing that method vector?  Commit d6afd4c4 ("iov_iter: hide iovec
> details behind ops function pointers")

FWIW, I never did.  I only went that route to begin with because the few
alternatives I tried before that were even more ugly :(.  It's been long
enough that I can't quite remember what I'd tried, though.

- z
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/