linux-kernel - Re: [PATCH v3 2/2] mmc: core: Support packed command for eMMC4.5 device

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAKYAXd8mKNGk2e8wo1eG9zB0L876HswMO4JmxAJ85TkouaB1UA@mail.gmail.com>
Date:	Thu, 26 Jan 2012 16:39:53 +0900
From:	Namjae Jeon <linkinjeon@...il.com>
To:	Seungwon Jeon <tgih.jun@...sung.com>
Cc:	Saugata Das <saugata.das@...aro.org>, linux-mmc@...r.kernel.org,
	Chris Ball <cjb@...top.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] mmc: core: Support packed command for eMMC4.5 device

>> >        - Add a variable member in mmc_host for minimum number of packed entries.
>> >          This value can be overridden by host.
>> Ah.. Okay~ I clearly understand about two queston.
>> Totally, Looks good to me.
>> Thanks for your reply.
>> And I heard that packed cmd is not good while reading small chunk,
>> If so, I want to use packed write cmd not read cmd.
>> Can I use packed only packed write cmd by seperating
>> MMC_CAP2_PACKED_READ_CMD and MMC_CAP2_PACKED_WRITE_CMD ?
> Do you think this separate use is common?
> Let me consider this more.
It is just my idea on user side. if we can select packed read/write
set, I believe that we can optmize performance accoding to own's
environment.
Thanks.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/