From: Sascha Hauer <s.hauer@pengutronix.de>
To: "Daniel Glöckner" <dg@emlix.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 0/3] Support for fastboot over UDP
Date: Thu, 12 Mar 2020 09:26:33 +0100 [thread overview]
Message-ID: <20200312082633.GH3335@pengutronix.de> (raw)
In-Reply-To: <4b033b70-43b8-0dc4-aee9-77612e3c236b@emlix.com>
On Mon, Mar 09, 2020 at 04:38:05PM +0100, Daniel Glöckner wrote:
> Am 03/09/20 um 08:14 schrieb Sascha Hauer:
> > On Fri, Feb 28, 2020 at 09:48:20PM +0100, Daniel Glöckner wrote:
> >> Contrary to U-Boot it does not send keep alive messages every 30
> >> seconds because everything is executed from a poller.
> >
> > How does that prevent you from sending keep palive messages? Sending
> > packages from a poller should work.
>
> When long running functions like cb_erase and cb_flash are executed in a
> poller, we can't currently use another poller to check if it is time to
> send a keep alive message.
>
> If we add a slice to poller_struct that is checked and then acquired in
> poller_call, it would be possible. But as I wrote, we might then want to
> limit the number of pollers executed "in parallel" because of the
> limited stack space.
That's a good idea. I think the stack space won't be a problem as the
number of pollers running in parallel is limited by the number of
existing pollers.
I have updated the series to do exactly that.
Sascha
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prev parent reply other threads:[~2020-03-12 8:26 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-28 20:48 Daniel Glöckner
2020-02-28 20:48 ` [PATCH 1/3] fastboot: split generic code from USB gadget Daniel Glöckner
2020-03-05 7:25 ` Sascha Hauer
2020-02-28 20:48 ` [PATCH 2/3] fastboot net: implement fastboot over UDP Daniel Glöckner
2020-03-05 7:50 ` Sascha Hauer
2020-03-05 20:15 ` Daniel Glöckner
2020-03-06 19:36 ` Sascha Hauer
2020-02-28 20:48 ` [PATCH 3/3] fastboot net: workaround for receiving before sending Daniel Glöckner
2020-03-05 7:54 ` [PATCH 0/3] Support for fastboot over UDP Sascha Hauer
2020-03-09 7:14 ` Sascha Hauer
2020-03-09 15:38 ` Daniel Glöckner
2020-03-12 8:26 ` Sascha Hauer [this message]
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