linux-kernel - Re: [PATCH 2/7] Define new syscalls readv2,preadv2,writev2,pwritev2

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 PHC
Open Source and information security mailing list archives

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

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

Date:	Tue, 16 Sep 2014 14:03:59 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Jeff Moyer <jmoyer@...hat.com>
Cc:	Milosz Tanski <milosz@...in.com>, linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	linux-fsdevel@...r.kernel.org, linux-aio@...ck.org,
	Mel Gorman <mgorman@...e.de>,
	Volker Lendecke <Volker.Lendecke@...net.de>,
	Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH 2/7] Define new syscalls readv2,preadv2,writev2,pwritev2

On Tue, Sep 16, 2014 at 03:20:32PM -0400, Jeff Moyer wrote:
> Milosz Tanski <milosz@...in.com> writes:
> 
> > New syscalls with an extra flag argument. For now all flags except for 0 are
> > not supported.
> 
> The blatant copy-n-paste of the vectored functions bothers me.  I'll
> withold judgement until I've seen your next version of the patch series,
> though.

We could actually implement the non-flags ones based on the flagged ones
at the syscall level, similar to how recv is implemented on top of
recvfrom.

--
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/