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From: Miklos Szeredi <miklos@szeredi.hu>
To: "Li, Fei" <fei.li@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>, "Rafael J. Wysocki" <rjw@sisk.pl>,
	"Brown, Len" <len.brown@intel.com>,
	"Wang, Biao" <biao.wang@intel.com>,
	"peterz@infradead.org" <peterz@infradead.org>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"fuse-devel@lists.sourceforge.net"
	<fuse-devel@lists.sourceforge.net>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"Liu, Chuansheng" <chuansheng.liu@intel.com>
Subject: Re: [fuse-devel] Getting rid of freezer for suspend [was Re: [PATCH] fuse: make fuse daemon frozen along with kernel threads]
Date: Wed, 20 Feb 2013 14:13:54 +0100	[thread overview]
Message-ID: <CAJfpegvmrFywtwS5giuCgVc5Cr3G1+fXKTPYiCZsV5P1jinxXA@mail.gmail.com> (raw)
In-Reply-To: <BEC9F67575FA1E429CA7CF5AE9BE3634403505@SHSMSX102.ccr.corp.intel.com>

On Wed, Feb 20, 2013 at 3:54 AM, Li, Fei <fei.li@intel.com> wrote:

>> From: Pavel Machek [mailto:pavel@ucw.cz]
>>
>> freeze_priority?
>>
>> I _hope_ we will not need more than three priorities, (user, fused, kernel), but
>> I hoped not no need more than two before, so...

>
> IMHO, we still use two priorities, with the exception that user space process such
> as fuse daemon can be configured to be frozen in kernel threads frozen phase
> instead of user space processes frozen phase.

I'm not sure that will work.  Fuse processes are in fact ordinary
userspace processes, and so should be frozen before kernel threads.

Thanks,
Miklos

WARNING: multiple messages have this Message-ID (diff)
From: Miklos Szeredi <miklos-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
To: "Li, Fei" <fei.li-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: "Brown, Len" <len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	"Wang, Biao" <biao.wang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	"linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org"
	<peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
	"fuse-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org"
	<fuse-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	"mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org"
	<mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>,
	"Liu,
	Chuansheng"
	<chuansheng.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: Getting rid of freezer for suspend [was Re: [PATCH] fuse: make fuse daemon frozen along with kernel threads]
Date: Wed, 20 Feb 2013 14:13:54 +0100	[thread overview]
Message-ID: <CAJfpegvmrFywtwS5giuCgVc5Cr3G1+fXKTPYiCZsV5P1jinxXA@mail.gmail.com> (raw)
In-Reply-To: <BEC9F67575FA1E429CA7CF5AE9BE3634403505-0J0gbvR4kTiiAffOGbnezLfspsVTdybXVpNB7YpNyf8@public.gmane.org>

On Wed, Feb 20, 2013 at 3:54 AM, Li, Fei <fei.li-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> wrote:

>> From: Pavel Machek [mailto:pavel-+ZI9xUNit7I@public.gmane.org]
>>
>> freeze_priority?
>>
>> I _hope_ we will not need more than three priorities, (user, fused, kernel), but
>> I hoped not no need more than two before, so...

>
> IMHO, we still use two priorities, with the exception that user space process such
> as fuse daemon can be configured to be frozen in kernel threads frozen phase
> instead of user space processes frozen phase.

I'm not sure that will work.  Fuse processes are in fact ordinary
userspace processes, and so should be frozen before kernel threads.

Thanks,
Miklos

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  reply	other threads:[~2013-02-20 13:13 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-06  1:11 [PATCH] fuse: make fuse daemon frozen along with kernel threads Li Fei
2013-02-06  9:27 ` Miklos Szeredi
     [not found]   ` <20130207084144.GB6168@frosties>
2013-02-07  9:59     ` [fuse-devel] " Miklos Szeredi
2013-02-08 14:11       ` Goswin von Brederlow
2013-02-09 17:49         ` Pavel Machek
2013-02-09 20:31           ` Rafael J. Wysocki
2013-02-10 10:33             ` Getting rid of freezer for suspend [was Re: [fuse-devel] [PATCH] fuse: make fuse daemon frozen along with kernel threads] Pavel Machek
2013-02-10 13:51               ` Rafael J. Wysocki
2013-02-10 14:22                 ` Rafael J. Wysocki
2013-02-10 18:55                   ` Pavel Machek
2013-02-10 23:31                     ` Rafael J. Wysocki
2013-02-11 10:11                       ` Miklos Szeredi
2013-02-11 12:08                         ` Rafael J. Wysocki
2013-02-11 13:59                           ` Miklos Szeredi
2013-02-11 19:28                             ` Rafael J. Wysocki
2013-02-12 10:46                             ` Pavel Machek
2013-02-12 13:13                               ` Miklos Szeredi
2013-02-12 13:17                                 ` Miklos Szeredi
2013-02-13 17:34                                   ` Miklos Szeredi
2013-02-13 20:16                                     ` Pavel Machek
2013-02-14 10:31                                       ` Miklos Szeredi
2013-02-13 21:21                                     ` Rafael J. Wysocki
2013-02-14 10:41                                       ` Miklos Szeredi
2013-02-14 12:11                                         ` Rafael J. Wysocki
2013-02-14 13:09                                           ` Miklos Szeredi
2013-02-14 17:38                                             ` Rafael J. Wysocki
2013-02-18  6:26                                               ` Li, Fei
2013-02-18  6:26                                                 ` Li, Fei
2013-02-18 12:26                                                 ` Rafael J. Wysocki
2013-02-19 10:46                                                   ` Pavel Machek
2013-02-20  2:54                                                     ` Li, Fei
2013-02-20 13:13                                                       ` Miklos Szeredi [this message]
2013-02-20 13:13                                                         ` Getting rid of freezer for suspend [was " Miklos Szeredi
2013-02-11 10:53                       ` Getting rid of freezer for suspend [was Re: [fuse-devel] " Pavel Machek
2013-02-06  9:56 ` [fuse-devel] [PATCH] fuse: make fuse daemon frozen along with kernel threads Han-Wen Nienhuys
2013-02-06 14:59   ` Miklos Szeredi

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