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SubjectRe: [PATCH] basic perf support for sparc
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From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 6 Aug 2009 09:02:42 +0200

> On Sun, Aug 02 2009, David Miller wrote:
>> From: Jens Axboe <jens.axboe@oracle.com>
>> Date: Wed, 29 Jul 2009 13:25:10 +0200
>>
>> > -#define NR_SYSCALLS 327
>> > +#define NR_SYSCALLS 328
>>
>> When you increase this value, you have to add entries to all of the
>> syscall tables. The syscall dispatch checks against this as a limit,
>> so if you don't explicitly add an entry to all the tables, it's
>> possible to deref garbage past the end of the table and try to jump to
>> it as a syscall.
>
> Oops, missed the 32-bit table. Does the below look better?

I'll take a look at this as soon as I can Jens, sorry for taking
so long.


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