From: Jens Axboe <jens.axboe@oracle.com>
To: David Miller <davem@davemloft.net>
Cc: linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl,
fweisbec@gmail.com, mingo@elte.hu
Subject: Re: [PATCH] basic perf support for sparc
Date: Wed, 12 Aug 2009 20:13:05 +0200 [thread overview]
Message-ID: <20090812181305.GQ12579@kernel.dk> (raw)
In-Reply-To: <20090812.110646.239052896.davem@davemloft.net>
On Wed, Aug 12 2009, David Miller wrote:
> 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.
No problem, I figured you'd get to it eventually and in the mean time
I'll just keep patching it in.
--
Jens Axboe
next prev parent reply other threads:[~2009-08-12 18:13 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-29 11:25 [PATCH] basic perf support for sparc Jens Axboe
2009-07-29 19:28 ` Jens Axboe
2009-08-01 1:14 ` Anton Blanchard
2009-08-01 8:20 ` Jens Axboe
2009-08-01 18:22 ` Arnaldo Carvalho de Melo
2009-08-02 18:41 ` Ingo Molnar
2009-08-02 19:44 ` Kyle McMartin
2009-08-02 19:50 ` Ingo Molnar
2009-08-02 20:11 ` Kyle McMartin
2009-08-02 20:33 ` Ingo Molnar
2009-08-02 20:47 ` Arnaldo Carvalho de Melo
2009-08-03 1:54 ` Arnaldo Carvalho de Melo
2009-08-04 3:33 ` Kyle McMartin
2009-08-04 9:25 ` Ingo Molnar
2009-08-04 9:29 ` Peter Zijlstra
2009-08-04 13:02 ` David Miller
2009-08-04 10:32 ` Frederic Riss
2009-08-04 10:38 ` Peter Zijlstra
2009-08-04 11:23 ` Frederic Riss
2009-08-04 11:28 ` Ingo Molnar
2009-08-05 12:10 ` Peter Zijlstra
2009-08-05 12:21 ` Jens Axboe
2009-08-05 12:33 ` Ingo Molnar
2009-08-05 12:16 ` [tip:perfcounters/urgent] perf: Auto-detect libbfd tip-bot for Peter Zijlstra
2009-08-05 14:29 ` Peter Zijlstra
2009-08-05 18:58 ` Peter Zijlstra
2009-08-02 20:17 ` [PATCH] basic perf support for sparc David Miller
2009-08-02 20:25 ` Ingo Molnar
2009-08-06 7:02 ` Jens Axboe
2009-08-12 18:06 ` David Miller
2009-08-12 18:13 ` Jens Axboe [this message]
2009-08-17 1:31 ` David Miller
2009-08-17 6:48 ` Jens Axboe
2009-08-17 7:57 ` Ingo Molnar
2009-09-04 4:37 ` David Miller
2009-09-04 5:02 ` Ingo Molnar
2009-09-04 5:09 ` David Miller
2009-09-04 5:20 ` Jens Axboe
2009-09-04 6:34 ` Jens Axboe
2009-09-04 6:44 ` Ingo Molnar
2009-09-04 9:57 ` David Miller
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