Messages in this thread | | | Date | Wed, 24 Nov 2010 17:12:17 +0900 | Subject | Re: [PATCH v1 0/4]mmc: enable eMMC4.41 new feature background operations and HPI | From | Kyungmin Park <> |
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Hi,
Basic question. Do you have any performance gain or improvement? In my test environment. no performance gain. Yes I know it's not for performance improvement.
How to measure or check it has some improvement? Any ideas?
Thank you, Kyungmin Park
On Tue, Nov 23, 2010 at 5:43 PM, Chuanxiao Dong <chuanxiao.dong@intel.com> wrote: > Hi, > These patches were enabled eMMC4.41 standard new feature: background > operations and HPI. > > Since these two features are opertional, driver only enable for those > eMMC card which supports them. > > HPI can interrupt both background operations and low priority foreground > operations. In these patches, only implemented using HPI to interrupt > background operations. > > patch1: enable background operations feature for supported eMMC card. > patch2: let eMMC card do background operations when user reqeust queue > is idle. In this patch, also considered when driver added runtime power > management. > patch3: enable HPI feature for supported eMMC card. > patch4: use HPI to interrupt background operations if there is user > request(foreground operations). > > Thanks > Chuanxiao > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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