From: David Laight <David.Laight@ACULAB.COM>
To: 'Dmitry Safonov' <dima@arista.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Dmitry Safonov <0x7f454c46@gmail.com>,
Adrian Reber <adrian@lisas.de>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andrei Vagin <avagin@openvz.org>,
Andy Lutomirski <luto@kernel.org>,
Cyrill Gorcunov <gorcunov@openvz.org>,
Ingo Molnar <mingo@redhat.com>, Oleg Nesterov <oleg@redhat.com>,
"Pavel Emelyanov" <xemul@virtuozzo.com>,
Thomas Gleixner <tglx@linutronix.de>,
"containers@lists.linux-foundation.org"
<containers@lists.linux-foundation.org>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>
Subject: RE: [PATCH 8/9] select/restart_block: Convert poll's timeout to u64
Date: Mon, 9 Sep 2019 13:07:52 +0000 [thread overview]
Message-ID: <fd8bfb2bed23492cb5e6c43b10be6125@AcuMS.aculab.com> (raw)
In-Reply-To: <20190909102340.8592-9-dima@arista.com>
From: Dmitry Safonov
> Sent: 09 September 2019 11:24
>
> All preparations have been done - now poll() can set u64 timeout in
> restart_block. It allows to do the next step - unifying all timeouts in
> restart_block and provide ptrace() API to read it.
>
> Signed-off-by: Dmitry Safonov <dima@arista.com>
> ---
> fs/select.c | 27 +++++++--------------------
> include/linux/restart_block.h | 4 +---
> 2 files changed, 8 insertions(+), 23 deletions(-)
>
> diff --git a/fs/select.c b/fs/select.c
> index 4af88feaa2fe..ff2b9c4865cd 100644
> --- a/fs/select.c
> +++ b/fs/select.c
...
> @@ -1037,16 +1030,10 @@ SYSCALL_DEFINE3(poll, struct pollfd __user *, ufds, unsigned int, nfds,
> struct restart_block *restart_block;
>
> restart_block = ¤t->restart_block;
> - restart_block->fn = do_restart_poll;
> - restart_block->poll.ufds = ufds;
> - restart_block->poll.nfds = nfds;
> -
> - if (timeout_msecs >= 0) {
> - restart_block->poll.tv_sec = end_time.tv_sec;
> - restart_block->poll.tv_nsec = end_time.tv_nsec;
> - restart_block->poll.has_timeout = 1;
> - } else
> - restart_block->poll.has_timeout = 0;
> + restart_block->fn = do_restart_poll;
> + restart_block->poll.ufds = ufds;
> + restart_block->poll.nfds = nfds;
> + restart_block->poll.timeout = timeout;
What is all that whitespace for?
David
-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)
next prev parent reply other threads:[~2019-09-09 13:07 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-09 10:23 [PATCH 0/9] restart_block: Prepare the ground for dumping timeout Dmitry Safonov
2019-09-09 10:23 ` [PATCH 1/9] futex: Remove unused uaddr2 in restart_block Dmitry Safonov
2019-09-09 10:23 ` [PATCH 2/9] restart_block: Prevent userspace set part of the block Dmitry Safonov
2019-09-09 10:23 ` [PATCH 3/9] select: Convert __esimate_accuracy() to ktime_t Dmitry Safonov
2019-09-09 10:23 ` [PATCH 4/9] select: Micro-optimise __estimate_accuracy() Dmitry Safonov
2019-09-09 11:18 ` Cyrill Gorcunov
2019-09-09 11:50 ` Dmitry Safonov
2019-09-09 12:14 ` Cyrill Gorcunov
2019-09-19 14:05 ` Cyrill Gorcunov
2019-09-19 14:25 ` Dmitry Safonov
2019-09-09 10:23 ` [PATCH 5/9] select: Convert select_estimate_accuracy() to take ktime_t Dmitry Safonov
2019-09-09 10:23 ` [PATCH 6/9] select: Extract common code into do_sys_ppoll() Dmitry Safonov
2019-09-09 11:15 ` kbuild test robot
2019-09-09 19:48 ` kbuild test robot
2019-09-09 10:23 ` [PATCH 7/9] select: Use ktime_t in do_sys_poll() and do_poll() Dmitry Safonov
2019-09-09 10:23 ` [PATCH 8/9] select/restart_block: Convert poll's timeout to u64 Dmitry Safonov
2019-09-09 13:07 ` David Laight [this message]
2019-09-16 15:19 ` Dmitry Safonov
2019-09-09 10:23 ` [PATCH 9/9] restart_block: Make common timeout Dmitry Safonov
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=fd8bfb2bed23492cb5e6c43b10be6125@AcuMS.aculab.com \
--to=david.laight@aculab.com \
--cc=0x7f454c46@gmail.com \
--cc=adrian@lisas.de \
--cc=avagin@openvz.org \
--cc=containers@lists.linux-foundation.org \
--cc=dima@arista.com \
--cc=gorcunov@openvz.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@kernel.org \
--cc=mingo@redhat.com \
--cc=oleg@redhat.com \
--cc=tglx@linutronix.de \
--cc=viro@zeniv.linux.org.uk \
--cc=xemul@virtuozzo.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;
as well as URLs for NNTP newsgroup(s).