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From: Sascha Hauer <sha@pengutronix.de>
To: Marcel Hellwig <barebox+mailing@cookiesoft.de>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: Heartbeat LED during init script
Date: Thu, 18 Feb 2021 09:34:44 +0100	[thread overview]
Message-ID: <20210218083444.GD10569@pengutronix.de> (raw)
In-Reply-To: <1708069310.14913.1613635242547@office.mailbox.org>

On Thu, Feb 18, 2021 at 09:00:42AM +0100, Marcel Hellwig wrote:
> Hey Sasha,
> 
> I have a slight problem here:
> This is what I think:
> 
> Because the memtest gets called in the init routine, the `ctrl` is
> completly ignored, at least I can't interrupt it nor the LED blinks.

Yes, ctrlc() is allowed only after startup. We could move calling
poller_call() up, before we test if ctrlc is allowed.

> But if I insert `poller_call`, the led blinks, but the memtest is
> painfully slow (like 10x slower at least).

poller_call() takes some time. A solution might be to call poller_call()
just every thousand times or so in memtest loop.

Sascha

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  reply	other threads:[~2021-02-18  8:34 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-17 12:22 Heartbeat LED during init script barebox+mailing
2021-02-17 12:35 ` Sascha Hauer
2021-02-17 12:44   ` barebox+mailing
2021-02-17 13:17     ` Sascha Hauer
2021-02-18  8:00       ` Marcel Hellwig
2021-02-18  8:34         ` Sascha Hauer [this message]
2021-02-18  9:01           ` Ahmad Fatoum

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