linux-kernel - Re: [PATCH] Add documentation for "nohlt" kernel parameter

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Message-ID: <49B14C12.5050402@oracle.com>
Date:	Fri, 06 Mar 2009 08:15:14 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Paulius Zaleckas <paulius.zaleckas@...tonika.lt>
CC:	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.arm.linux.org.uk, linux-sh@...r.kernel.org,
	yanok@...raft.com, wd@...x.de
Subject: Re: [PATCH] Add documentation for "nohlt" kernel parameter

Paulius Zaleckas wrote:
> As per discussion in:
> http://marc.info/?l=linux-arm-kernel&m=123633652517391&w=2
> 
> Signed-off-by: Paulius Zaleckas <paulius.zaleckas@...tonika.lt>
> ---
> 
>  Documentation/kernel-parameters.txt |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> 
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index 54f21a5..de06666 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -1487,7 +1487,9 @@ and is between 256 and 4096 characters. It is defined in the file
>  
>  	noclflush	[BUGS=X86] Don't use the CLFLUSH instruction
>  
> -	nohlt		[BUGS=ARM,SH]
> +	nohlt		[BUGS=ARM,SH] Tells the kernel that the sleep(SH) or
> +			wfi(ARM) instruction doesn't work correctly and not to
> +			use it. This is also usefull when using JTAG debugger.

			                     useful
>  
>  	no-hlt		[BUGS=X86-32] Tells the kernel that the hlt
>  			instruction doesn't work correctly and not to


-- 
~Randy
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