From: Pavel Machek <pavel@suse.cz>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: Scott Lurndal <scott.lurndal@3leafsystems.com>,
Matthew Wilcox <matthew@wil.cx>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
Ulrich Drepper <drepper@redhat.com>
Subject: Re: [PATCH v2] Add preadv and pwritev system calls.
Date: Sun, 14 Dec 2008 19:19:43 +0100 [thread overview]
Message-ID: <20081214181943.GB1440@ucw.cz> (raw)
In-Reply-To: <4942C1D0.1080009@redhat.com>
On Fri 2008-12-12 20:56:00, Gerd Hoffmann wrote:
> Russell King wrote:
> >> should be similar to pread/pwrite, e.g:
> >>
> >> int preadv(fd, iovec, iovec_size, offset)
> >
> > Yes, and that's easy for glibc to achieve.
>
> This hints the ABI problem exists at syscall level only. Is that
> correct? So we can have
>
> preadv(fd, vec, vlen, off)
>
> argument ordering at app <-> glibc level and
>
> preadv(fd, vec, off, vlen)
>
> ordering at glibc <-> kernel (aka syscall) level and it works fine for
> ARM + MIPS + PARISC?
ltrace and strace would show different values; very misleading :-(.
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2008-12-14 18:19 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-12 14:00 [PATCH v2] Add preadv and pwritev system calls Gerd Hoffmann
2008-12-12 15:29 ` Matthew Wilcox
2008-12-12 15:48 ` Gerd Hoffmann
2008-12-12 15:51 ` Matthew Wilcox
2008-12-12 16:02 ` Gerd Hoffmann
2008-12-12 17:03 ` Matthew Wilcox
2008-12-12 17:03 ` Matthew Wilcox
2008-12-12 18:21 ` Alan Cox
2008-12-12 19:02 ` Russell King
2008-12-12 18:29 ` Scott Lurndal
2008-12-12 19:07 ` Russell King
2008-12-12 19:56 ` Gerd Hoffmann
2008-12-12 19:56 ` Gerd Hoffmann
2008-12-12 20:12 ` Russell King
2008-12-12 20:12 ` Russell King
2008-12-12 20:39 ` Gerd Hoffmann
2008-12-12 20:39 ` Gerd Hoffmann
2008-12-14 18:19 ` Pavel Machek [this message]
2008-12-14 18:19 ` Pavel Machek
2008-12-15 16:37 ` Jennifer Pioch
2008-12-15 20:43 ` Gerd Hoffmann
2008-12-16 9:57 ` Arnd Bergmann
[not found] ` <200812161057.03025.arnd-r2nGTMty4D4@public.gmane.org>
2008-12-17 1:45 ` Dan Mick
2008-12-17 1:45 ` [osol-code] " Dan Mick
2008-12-12 19:47 ` Arnd Bergmann
2008-12-12 20:02 ` Gerd Hoffmann
2008-12-14 11:49 ` Heiko Carstens
2008-12-15 4:14 ` Paul Mackerras
2008-12-15 6:20 ` David Miller
2008-12-12 15:40 ` Ralf Baechle
2008-12-12 16:59 ` Russell King
2008-12-13 1:18 ` Michael Kerrisk
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20081214181943.GB1440@ucw.cz \
--to=pavel@suse.cz \
--cc=drepper@redhat.com \
--cc=kraxel@redhat.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=matthew@wil.cx \
--cc=scott.lurndal@3leafsystems.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox