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 <tianyu.lan@xxxxxxxxx> > To: rjw@xxxxxxxxxxxxx, lenb@xxxxxxxxxx > Cc: Lan Tianyu <tianyu.lan@xxxxxxxxx>, linux-acpi@xxxxxxxxxxxxxxx, > linux-kernel@xxxxxxxxxxxxxxx > Subject: [PATCH] ACPI/NVS: Not save NVS region for new machines to > accelerate S3 > X-Mailer: git-send-email 1.7.9.5 > > 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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