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From: Richard Weinberger <richard@nod.at>
To: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>,
	linux-mtd@lists.infradead.org, kernel@pengutronix.de,
	Daniel Walter <dwalter@sigma-star.at>
Subject: Re: Pass -EUCLEN to userspace?
Date: Fri, 22 Apr 2016 20:20:20 +0200	[thread overview]
Message-ID: <571A6B64.9000600@nod.at> (raw)
In-Reply-To: <20160422181103.3691112a@bbrezillon>

Am 22.04.2016 um 18:11 schrieb Boris Brezillon:
>> Sasha, what exactly is your use case and why is the UBI approach not sufficient for you?
>> On Linux MTD access should only happen through UBI and UBOOT/SPL partitions stay untouched.
> 
> Fair enough. So all we'll need is a way to retrieve the maximum number
> of bitflips for a given block, so that the userspace deamon can
> periodically read the SPL and bootloader blocks and decide to scrub
> those blocks if the number of bitflips exceed the threshold.

How can we scrub non-UBI blocks in a power cut safe way?
Unless we have a backup SPL/booloader.

Thanks,
//richard

  reply	other threads:[~2016-04-22 18:20 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-20 13:25 Pass -EUCLEN to userspace? Sascha Hauer
2016-04-22 15:24 ` Boris Brezillon
2016-04-22 15:28   ` Boris Brezillon
2016-04-22 15:48     ` Richard Weinberger
2016-04-22 16:11       ` Boris Brezillon
2016-04-22 18:20         ` Richard Weinberger [this message]
2016-04-22 18:39           ` Boris Brezillon
2016-04-25  5:28       ` Sascha Hauer
2016-04-25  7:50         ` Boris Brezillon
2016-04-25  8:22           ` Sascha Hauer
2016-04-25  8:40             ` Boris Brezillon
2016-04-25  9:14               ` Sascha Hauer
2016-04-25  9:26                 ` Boris Brezillon
2016-04-25 14:11                   ` Boris Brezillon
2016-04-26  7:13                     ` Pass -EUCLEAN " Sascha Hauer

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