From: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
To: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Nicolas Pitre
<nicolas.pitre-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
Dave Chinner <david-FqsqvQoI3Ljby3iVrkZq2A@public.gmane.org>,
linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-f2fs-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
ceph-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Joseph S. Myers"
<joseph-qD8j1LwMmJjtCj0u4l0SBw@public.gmane.org>,
linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-afs-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
cluster-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
coda-ETDLCGt7PQU3uPMLIKxrzw@public.gmane.org,
geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org,
linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
codalist-ySnCqBnJi5yMVn35/9/JlcWGCVk0P7UB@public.gmane.org,
fuse-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
reiserfs-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
xfs-VZNHf3L845pBDgjK7y7TUQ@public.gmane.org,
john.stultz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-ntfs-dev-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
samba-technical-w/Ol4Ecudpl8XjKLYN78aQ@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
logfs-PCqxUs/MD9bYtjvyW6yDsg@public.gmane.org,
linux-btrfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
lftan-EIB2kfCEclfQT0dZR+AlfA@public.gmane.org,
ocfs2-devel-N0ozoZBvEnrZJqsBc5GL+g@public.gmane.org
Subject: Re: [RFC 00/32] making inode time stamps y2038 ready
Date: Wed, 04 Jun 2014 17:10:24 -0700 [thread overview]
Message-ID: <538FB570.8000502@zytor.com> (raw)
In-Reply-To: <8770583.6XeZxCxOY8@wuerfel>
On 06/04/2014 12:24 PM, Arnd Bergmann wrote:
>
> For other timekeeping stuff in the kernel, I agree that using some
> 64-bit representation (nanoseconds, 32/32 unsigned seconds/nanoseconds,
> ...) has advantages, that's exactly the point I was making earlier
> against simply extending the internal time_t/timespec to 64-bit
> seconds for everything.
>
How much of a performance issue is it to make time_t 64 bits, and for
the bits there are, how hard are they to fix?
-hpa
------------------------------------------------------------------------------
Learn Graph Databases - Download FREE O'Reilly Book
"Graph Databases" is the definitive new guide to graph databases and their
applications. Written by three acclaimed leaders in the field,
this first edition is now available. Download your free book today!
http://p.sf.net/sfu/NeoTech
next prev parent reply other threads:[~2014-06-05 0:10 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-30 20:01 [RFC 00/32] making inode time stamps y2038 ready Arnd Bergmann
2014-05-30 20:01 ` [RFC 29/32] f2fs: convert to struct inode_time Arnd Bergmann
2014-05-31 14:30 ` [RFC 00/32] making inode time stamps y2038 ready Vyacheslav Dubeyko
2014-06-03 12:21 ` Arnd Bergmann
2014-05-31 14:51 ` Richard Cochran
2014-05-31 15:23 ` Arnd Bergmann
2014-05-31 16:20 ` Geert Uytterhoeven
2014-05-31 18:22 ` Richard Cochran
2014-05-31 19:34 ` H. Peter Anvin
2014-06-01 4:46 ` Richard Cochran
2014-06-01 4:44 ` Richard Cochran
2014-06-02 13:52 ` Joseph S. Myers
[not found] ` <Pine.LNX.4.64.1406021350030.19591-9YEB1lltEqivcGRMvF24k2I39yigxGEX@public.gmane.org>
2014-06-02 19:19 ` Arnd Bergmann
2014-06-02 19:26 ` H. Peter Anvin
2014-06-02 19:55 ` Arnd Bergmann
2014-06-02 21:57 ` H. Peter Anvin
[not found] ` <538CF346.2070504-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-06-03 14:22 ` Arnd Bergmann
2014-06-03 14:33 ` Joseph S. Myers
2014-06-03 14:37 ` Arnd Bergmann
2014-06-03 21:38 ` Dave Chinner
2014-06-04 15:03 ` Arnd Bergmann
2014-06-04 17:30 ` Nicolas Pitre
[not found] ` <alpine.LFD.2.11.1406041308300.17310-fMhRO7WWcppj+hNMo8g0rg@public.gmane.org>
2014-06-04 19:24 ` Arnd Bergmann
2014-06-05 0:10 ` H. Peter Anvin [this message]
2014-06-10 9:54 ` Arnd Bergmann
2014-06-02 21:02 ` Joseph S. Myers
2014-06-04 15:05 ` Arnd Bergmann
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=538FB570.8000502@zytor.com \
--to=hpa-ymnouzjc4hwavxtiumwx3w@public.gmane.org \
--cc=arnd-r2nGTMty4D4@public.gmane.org \
--cc=ceph-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=cluster-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
--cc=coda-ETDLCGt7PQU3uPMLIKxrzw@public.gmane.org \
--cc=codalist-ySnCqBnJi5yMVn35/9/JlcWGCVk0P7UB@public.gmane.org \
--cc=david-FqsqvQoI3Ljby3iVrkZq2A@public.gmane.org \
--cc=fuse-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
--cc=geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org \
--cc=hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org \
--cc=john.stultz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
--cc=joseph-qD8j1LwMmJjtCj0u4l0SBw@public.gmane.org \
--cc=lftan-EIB2kfCEclfQT0dZR+AlfA@public.gmane.org \
--cc=linux-afs-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
--cc=linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-btrfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-f2fs-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
--cc=linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
--cc=linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-ntfs-dev-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
--cc=linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=logfs-PCqxUs/MD9bYtjvyW6yDsg@public.gmane.org \
--cc=nicolas.pitre-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
--cc=ocfs2-devel-N0ozoZBvEnrZJqsBc5GL+g@public.gmane.org \
--cc=reiserfs-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=samba-technical-w/Ol4Ecudpl8XjKLYN78aQ@public.gmane.org \
--cc=tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org \
--cc=xfs-VZNHf3L845pBDgjK7y7TUQ@public.gmane.org \
/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;
as well as URLs for NNTP newsgroup(s).