linux-kernel - Re: [PATCH] perf, ibs: Fix waking up from S3 for AMD family 10h

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Message-ID: <20140115180313.GA8360@rric.localhost>
Date:	Wed, 15 Jan 2014 19:03:13 +0100
From:	Robert Richter <rric@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] perf, ibs: Fix waking up from S3 for AMD family 10h

On 15.01.14 15:57:29, Robert Richter wrote:
> @@ -816,6 +817,18 @@ static int force_ibs_eilvt_setup(void)
>  	return ret;
>  }
>  
> +void ibs_eilvt_setup(void)

Grrr, this is not static. Could this be changed when the patch is
applied assuming the rest is ok? Otherwise I will send an update.

Thanks,

-Robert

+{
> +	/*
> +	 * Force LVT offset assignment for family 10h: The offsets are
> +	 * not assigned by the BIOS for this family, so the OS is
> +	 * responsible for doing it. If the OS assignment fails, fall
> +	 * back to BIOS settings and try to setup this.
> +	 */
> +	if (boot_cpu_data.x86 == 0x10)
> +		force_ibs_eilvt_setup();
> +}
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