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From: Cyrill Gorcunov <gorcunov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
Cc: Christopher Covington
	<cov-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Michael Kerrisk
	<mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Andrey Vagin <avagin-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>,
	Pavel Emelyanov <xemul-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>,
	Vladimir Davydov
	<vdavydov-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>,
	Linux ARM kernel mailing list
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [patch 3/4] timerfd: Implement timerfd_ioctl method to restore timerfd_ctx::ticks
Date: Wed, 2 Jul 2014 23:07:06 +0400	[thread overview]
Message-ID: <20140702190706.GH12440@moon> (raw)
In-Reply-To: <4188254.Av1Z2pQssC@wuerfel>

On Wed, Jul 02, 2014 at 09:01:02PM +0200, Arnd Bergmann wrote:
> > > 
> > > 64-bit get_user is currently unsupported on ARM, although it appears work is
> > > ongoing [1].
> > > 
> > > 1. https://lkml.org/lkml/2014/6/17/260
> > 
> > Thanks for info, Christopher! What arm camp is using then, copy-from-user?
> > 
> 
> copy_from_user should work on all architectures. I believe a 64-bit get_user
> is currently unsupported on most 32-bit architectures, x86-32 being a notable
> exception.

Thanks, I'll update.

WARNING: multiple messages have this Message-ID (diff)
From: gorcunov@gmail.com (Cyrill Gorcunov)
To: linux-arm-kernel@lists.infradead.org
Subject: [patch 3/4] timerfd: Implement timerfd_ioctl method to restore timerfd_ctx::ticks
Date: Wed, 2 Jul 2014 23:07:06 +0400	[thread overview]
Message-ID: <20140702190706.GH12440@moon> (raw)
In-Reply-To: <4188254.Av1Z2pQssC@wuerfel>

On Wed, Jul 02, 2014 at 09:01:02PM +0200, Arnd Bergmann wrote:
> > > 
> > > 64-bit get_user is currently unsupported on ARM, although it appears work is
> > > ongoing [1].
> > > 
> > > 1. https://lkml.org/lkml/2014/6/17/260
> > 
> > Thanks for info, Christopher! What arm camp is using then, copy-from-user?
> > 
> 
> copy_from_user should work on all architectures. I believe a 64-bit get_user
> is currently unsupported on most 32-bit architectures, x86-32 being a notable
> exception.

Thanks, I'll update.

WARNING: multiple messages have this Message-ID (diff)
From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Christopher Covington <cov@codeaurora.org>,
	linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
	Michael Kerrisk <mtk.manpages@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andrey Vagin <avagin@openvz.org>,
	Pavel Emelyanov <xemul@parallels.com>,
	Vladimir Davydov <vdavydov@parallels.com>,
	Linux ARM kernel mailing list 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [patch 3/4] timerfd: Implement timerfd_ioctl method to restore timerfd_ctx::ticks
Date: Wed, 2 Jul 2014 23:07:06 +0400	[thread overview]
Message-ID: <20140702190706.GH12440@moon> (raw)
In-Reply-To: <4188254.Av1Z2pQssC@wuerfel>

On Wed, Jul 02, 2014 at 09:01:02PM +0200, Arnd Bergmann wrote:
> > > 
> > > 64-bit get_user is currently unsupported on ARM, although it appears work is
> > > ongoing [1].
> > > 
> > > 1. https://lkml.org/lkml/2014/6/17/260
> > 
> > Thanks for info, Christopher! What arm camp is using then, copy-from-user?
> > 
> 
> copy_from_user should work on all architectures. I believe a 64-bit get_user
> is currently unsupported on most 32-bit architectures, x86-32 being a notable
> exception.

Thanks, I'll update.

  reply	other threads:[~2014-07-02 19:07 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-23 18:54 [patch 0/4] timerfd c/r support, v4 Cyrill Gorcunov
2014-06-23 18:54 ` [patch 1/4] timerfd: Implement show_fdinfo method Cyrill Gorcunov
     [not found]   ` <20140623190345.354980826-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2014-06-24 22:02     ` Cyrill Gorcunov
2014-06-24 22:02       ` Cyrill Gorcunov
2014-06-23 18:54 ` [patch 2/4] docs: procfs -- Document timerfd output Cyrill Gorcunov
2014-06-23 18:54 ` [patch 3/4] timerfd: Implement timerfd_ioctl method to restore timerfd_ctx::ticks Cyrill Gorcunov
2014-06-23 18:54   ` Cyrill Gorcunov
     [not found]   ` <20140623190345.499956567-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2014-06-24 22:03     ` Cyrill Gorcunov
2014-06-24 22:03       ` Cyrill Gorcunov
2014-07-02 16:49       ` Christopher Covington
2014-07-02 16:49         ` Christopher Covington
     [not found]         ` <53B4382F.9030908-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-07-02 17:04           ` Cyrill Gorcunov
2014-07-02 17:04             ` Cyrill Gorcunov
2014-07-02 17:04             ` Cyrill Gorcunov
2014-07-02 19:01             ` Arnd Bergmann
2014-07-02 19:01               ` Arnd Bergmann
2014-07-02 19:07               ` Cyrill Gorcunov [this message]
2014-07-02 19:07                 ` Cyrill Gorcunov
2014-07-02 19:07                 ` Cyrill Gorcunov
2014-07-02 19:36               ` Cyrill Gorcunov
2014-07-02 19:36                 ` Cyrill Gorcunov
2014-07-02 19:36                 ` Cyrill Gorcunov
2014-06-23 18:54 ` [patch 4/4] timerfd.2: Add ioctl method description Cyrill Gorcunov
     [not found] ` <20140623185431.396309193-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2014-06-23 19:44   ` [patch 0/4] timerfd c/r support, v4 Andrew Vagin
2014-06-23 19:44     ` Andrew Vagin
2014-06-30 19:43 ` Cyrill Gorcunov
2014-07-15 13:54   ` Cyrill Gorcunov
2014-07-15 16:11     ` Thomas Gleixner
2014-07-15 16:11       ` Thomas Gleixner
2014-07-15 16:25       ` Cyrill Gorcunov
2014-07-15 16:25         ` Cyrill Gorcunov
2014-07-15 21:08         ` Thomas Gleixner
2014-07-15 21:08           ` Thomas Gleixner
2014-07-15 21:14           ` Cyrill Gorcunov
2014-07-15 21:14             ` Cyrill Gorcunov
2014-07-15 21:16             ` Thomas Gleixner
2014-07-15 21:16               ` Thomas Gleixner
2014-07-15 21:18               ` Cyrill Gorcunov
2014-07-15 21:18                 ` Cyrill Gorcunov
2014-07-15 21:20                 ` Thomas Gleixner
2014-07-15 21:20                   ` Thomas Gleixner

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