From: Juergen Kreileder <jk@blackdown.de>
To: Andreas Schwab <schwab@suse.de>
Cc: Linus Torvalds <torvalds@osdl.org>,
Paul Mackerras <paulus@samba.org>,
akpm@osdl.org, anton@samba.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ppc64: Fix PER_LINUX32 behaviour
Date: Wed, 08 Jun 2005 22:54:17 +0200 [thread overview]
Message-ID: <87u0k8k1s6.fsf@blackdown.de> (raw)
In-Reply-To: <jey89kbmsc.fsf@sykes.suse.de> (Andreas Schwab's message of "Wed, 08 Jun 2005 22:45:23 +0200")
Andreas Schwab <schwab@suse.de> writes:
> Linus Torvalds <torvalds@osdl.org> writes:
>
>> On Wed, 8 Jun 2005, Paul Mackerras wrote:
>>>
>>> * uname(2) doesn't respect PER_LINUX32, it returns 'ppc64' instead
>>> of 'ppc'
>>
>> I think this is a feature, not a bug, and I suspect you just broke
>> compiling a 64-bit kernel by default on ppc64.
>
> The uname syscall that Paul is referring to (__NR_olduname) isn't
> actually used nowadays any more. The current uname syscall
> (__NR_uname, which is implemented by ppc64_newuname) already
> translates ppc64 to ppc depending on the personality.
The current code doesn't work like intended, on my G5 both 'linux32
uname -m' and 'linux32 sh -c "uname -m"' return 'ppc64' without the
patch.
With the patch both commands return 'ppc'.
Juergen
--
Juergen Kreileder, Blackdown Java-Linux Team
http://blog.blackdown.de/
next prev parent reply other threads:[~2005-06-08 20:54 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-08 11:59 [PATCH] ppc64: Fix PER_LINUX32 behaviour Paul Mackerras
2005-06-08 17:24 ` Linus Torvalds
2005-06-08 18:49 ` Arnd Bergmann
2005-06-08 19:19 ` David S. Miller
2005-06-08 20:45 ` Olaf Hering
2005-06-08 20:45 ` Andreas Schwab
2005-06-08 20:54 ` Juergen Kreileder [this message]
2005-06-08 22:40 ` Andreas Schwab
2005-06-09 7:02 ` Juergen Kreileder
2005-06-08 23:12 ` Paul Mackerras
2005-06-08 23:16 ` David S. Miller
2005-06-11 11:24 ` Andi Kleen
2005-06-08 23:28 ` Linus Torvalds
2005-06-08 23:12 ` Benjamin Herrenschmidt
[not found] <20050608.121950.104038734.davem@davemloft.net.suse.lists.linux.kernel>
2005-06-08 20:50 ` Marcus Meissner
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