[PATCH] remove bogus ppc_select syscall

Sadashiiv, Halesh halesh.sadashiv at ap.sony.com
Mon Oct 13 22:59:14 EST 2008

>-----Original Message-----
>From: Paul Mackerras [mailto:paulus at samba.org]
>Sent: Friday, October 10, 2008 1:14 PM
>To: benh at kernel.crashing.org
>Cc: Arnd Bergmann; linuxppc-embedded at ozlabs.org; Sadashiiv, Halesh;
>linuxppc-dev at ozlabs.org
>Subject: Re: [PATCH] remove bogus ppc_select syscall
>Benjamin Herrenschmidt writes:
>> On Wed, 2008-09-24 at 08:39 +0200, Arnd Bergmann wrote:
>> > The ppc_select function was introduced in linux-2.3.48 in order to
>> > code confusing the legacy select() calling convention with the
>> > Even 11 years ago, all correctly built code should not have done
>> > could have easily been phased out. Nothing that was compiled later
>> > actually try to use the old_select interface, and it would have
>> > already on all ppc64 kernels with the syscall emulation layer.
>> >
>> > This patch brings the 32 bit compat ABI and the native 32 bit ABI
>> > powerpc into a consistent state, by removing support for both the
>> > old_select system call number and the handler for it.
>>  .../...
>> It's me or the patch is whitespaces damaged ?
>Please don't apply Arnd's patch.  As I said, all we need is this
>one-line change in arch/powerpc/include/asm/systbl.h:

I have tested the testcase that I have provided at the time of reporting
this issue. But it didn't work as expected with the above patch you
(Failed to return EINVAL on negative value of n to select())

Please let me know about this. I have tested on PPC32 2.6.23.



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