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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 = &current->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)


  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

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