From: "H. Peter Anvin" <hpa@zytor.com>
To: Richard Gooch <rgooch@ras.ucalgary.ca>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] DevFS support for /dev/cpu/X/(cpuid|msr)
Date: Tue, 08 Jan 2002 19:47:28 -0800 [thread overview]
Message-ID: <3C3BBD50.2020805@zytor.com> (raw)
In-Reply-To: <20020106181749.A714@butterlicious.bodgit-n-scarper.com> <20020108201451.088f7f99.rusty@rustcorp.com.au> <a1f9j9$5i9$1@cesium.transmeta.com> <20020109120108.39bcf7ad.rusty@rustcorp.com.au> <a1gcme$18t$1@cesium.transmeta.com> <200201090330.g093UB427696@vindaloo.ras.ucalgary.ca>
Richard Gooch wrote:
>>>
>>So you chown an entry, then a module is unloaded and reloaded, now
>>what happens?
>>
>>It's the old "virtual filesystem which really wants persistence"
>>issue again...
>>
>
> Works beautifully with devfs+devfsd :-)
>
> Permissions get saved elsewhere in the namespace (perhaps even to the
> underlying /dev) as you chown(2)/chmod(2)/mknod(2), and are restored
> when entries are (re)created and/or at startup.
>
> My /dev has persistence behaviour which looks like a FS with backing
> store.
>
Yes, after quite a few years it finally got in there. This is a Good
Thing[TM]. Now apply the same problem to /proc.
-hpa
next prev parent reply other threads:[~2002-01-09 3:47 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-06 18:17 [PATCH] DevFS support for /dev/cpu/X/(cpuid|msr) Matt Dainty
2002-01-06 19:34 ` Richard Gooch
2002-01-06 20:43 ` Matt Dainty
2002-01-06 21:08 ` H. Peter Anvin
2002-01-06 21:11 ` Richard Gooch
2002-01-06 21:12 ` H. Peter Anvin
2002-01-06 21:06 ` H. Peter Anvin
2002-01-06 21:08 ` Richard Gooch
2002-01-06 21:10 ` H. Peter Anvin
2002-01-06 21:36 ` Russell King
2002-01-07 0:44 ` H. Peter Anvin
2002-01-07 1:31 ` Richard Gooch
2002-01-07 1:32 ` H. Peter Anvin
2002-01-07 1:40 ` Richard Gooch
2002-01-07 1:44 ` H. Peter Anvin
2002-01-08 11:13 ` Matt Dainty
2002-01-08 9:14 ` Rusty Russell
2002-01-08 12:02 ` Matt Dainty
2002-01-08 17:35 ` Richard Gooch
2002-01-08 17:17 ` H. Peter Anvin
2002-01-09 1:01 ` Rusty Russell
2002-01-09 3:16 ` H. Peter Anvin
2002-01-09 3:28 ` Rusty Russell
2002-01-09 3:30 ` Richard Gooch
2002-01-09 3:47 ` H. Peter Anvin [this message]
2002-01-09 5:41 ` Richard Gooch
-- strict thread matches above, loose matches on Subject: below --
2002-02-18 10:50 Ishan Jayawardena
2002-02-18 18:25 ` Richard Gooch
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