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Date:	Fri, 18 Jul 2014 04:00:56 -0400
From:	"Chen, Gong" <>
To:	Lan Tianyu <>
Subject: Re: [PATCH] ACPI/NVS: Not save NVS region for new machines to
 accelerate S3

On Fri, Jul 18, 2014 at 01:55:22PM +0800, Lan Tianyu wrote:
> Date:	Fri, 18 Jul 2014 13:55:22 +0800
> From: Lan Tianyu <>
> To:,
> Cc: Lan Tianyu <>,,
> Subject: [PATCH] ACPI/NVS: Not save NVS region for new machines to
>  accelerate S3
> X-Mailer: git-send-email
> NVS region is saved and restored unconditionally for machines without
> nvs_nosave quirk during S3. Tested some new machines and the operation
> is not necessary. Saving NVS region also affects S2RAM speed. The time of
> NVS saving and restoring depends on the size of NVS region and it consumes
> 7~10ms normally.
> This patch is to make machines produced from 2012 to now not saving NVS region
> to accelerate S3.
The year 2012 is a mandatory value in the spec?

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