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From: Olof Johansson <olof@lixom.net>
To: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [POWERPC] Fix off-by-one error in setting decrementer on Book E
Date: Sun, 28 Oct 2007 22:16:21 -0500	[thread overview]
Message-ID: <20071029031620.GA14667@lixom.net> (raw)
In-Reply-To: <18213.19469.827909.663373@cargo.ozlabs.ibm.com>

Hi Paul,

On Mon, Oct 29, 2007 at 01:57:17PM +1100, Paul Mackerras wrote:

> diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h
> index f058955..eed64bd 100644
> --- a/include/asm-powerpc/time.h
> +++ b/include/asm-powerpc/time.h
> @@ -183,6 +183,7 @@ static inline void set_dec(int val)
>  #elif defined(CONFIG_8xx_CPU6)
>  	set_dec_cpu6(val);
>  #else
> +	--val;	/* classic decrementer interrupts when dec goes negative */
>  #ifdef CONFIG_PPC_ISERIES
>  	int cur_dec;

This will mix code and declarations, I think some toolchains complain
about that?

It doesn't look like cur_dec is really needed, the call can be inlined
directly where it's used.


-Olof

  parent reply	other threads:[~2007-10-29  3:08 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-29  2:57 [POWERPC] Fix off-by-one error in setting decrementer on Book E Paul Mackerras
2007-10-29  3:10 ` Paul Mackerras
2007-10-29  3:16 ` Olof Johansson [this message]
2007-10-29 16:52 ` Sergei Shtylyov
2007-10-31  9:40   ` Paul Mackerras
2007-10-31 14:12     ` Sergei Shtylyov
2007-10-30  3:52 ` Kumar Gala
2007-10-30 14:23   ` Sergei Shtylyov

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