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From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>,
	raistlin@linux.it, juri.lelli@gmail.com,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [BUG] [ tip/sched/core ] System unresponsive after booting
Date: Wed, 15 Jan 2014 11:39:49 +0100	[thread overview]
Message-ID: <20140115103949.GZ31570@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20140115092245.GA15190@gmail.com>

On Wed, Jan 15, 2014 at 10:22:45AM +0100, Ingo Molnar wrote:
> 3)
> 
> On ARM:
> 
> -#define __NR_syscalls  (380)
> +#define __NR_syscalls  (384)
> 
> but:
> 
>  #define __NR_finit_module              (__NR_SYSCALL_BASE+379)
> +#define __NR_sched_setattr             (__NR_SYSCALL_BASE+380)
> +#define __NR_sched_getattr             (__NR_SYSCALL_BASE+381)
>  
>  /*
> 
> 
> Why is the syscall table increased by 4, while we only add 2 new 
> syscalls?

arch/arm/kernel/entry-common.S:.ifne NR_syscalls - __NR_syscalls
arch/arm/kernel/calls.S:.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls

Totally confusing, I know.

  reply	other threads:[~2014-01-15 10:40 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-15  8:27 Daniel Lezcano
2014-01-15  9:22 ` Ingo Molnar
2014-01-15 10:39   ` Peter Zijlstra [this message]
2014-01-15 11:00   ` Peter Zijlstra
2014-01-15 14:05     ` Peter Zijlstra
2014-01-15  9:25 ` Michael wang
2014-01-15 11:30   ` Peter Zijlstra
2014-01-15 13:28     ` Daniel Lezcano
2014-01-16 13:40     ` [tip:sched/core] sched: Preserve the nice level over sched_setscheduler() and sched_setparam() calls tip-bot for Peter Zijlstra
2014-01-15 13:27   ` [BUG] [ tip/sched/core ] System unresponsive after booting Daniel Lezcano
2014-01-15 12:04 ` Peter Zijlstra
2014-01-15 12:24   ` Ingo Molnar
2014-01-15 13:45     ` Daniel Lezcano
2014-01-15 13:09   ` Daniel Lezcano
2014-01-16 13:48   ` Daniel Lezcano
2014-01-16 14:17     ` Peter Zijlstra
2014-01-16 14:20       ` Daniel Lezcano
2014-01-16 14:25         ` Peter Zijlstra
2014-01-16 14:30           ` Daniel Lezcano
2014-01-16 15:42             ` Peter Zijlstra
2014-01-16 15:50               ` Daniel Lezcano
2014-01-16 16:54                 ` [PATCH] sched: Fix __sched_setscheduler() nice test Peter Zijlstra
2014-01-16 18:33                   ` Peter Zijlstra
2014-01-16 18:39                   ` [tip:sched/core] " tip-bot for Peter Zijlstra
2014-01-16 15:28           ` [BUG] [ tip/sched/core ] System unresponsive after booting Daniel Lezcano
2014-01-16 15:48             ` Peter Zijlstra
2014-01-16 15:51               ` Daniel Lezcano

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