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Date: Mon, 27 Apr 2020 17:50:13 +0100 From: Daniel Thompson <daniel.thompson@...aro.org> To: Douglas Anderson <dianders@...omium.org> Cc: jason.wessel@...driver.com, gregkh@...uxfoundation.org, kgdb-bugreport@...ts.sourceforge.net, mingo@...hat.com, hpa@...or.com, bp@...en8.de, linux-serial@...r.kernel.org, agross@...nel.org, tglx@...utronix.de, frowand.list@...il.com, bjorn.andersson@...aro.org, jslaby@...e.com, catalin.marinas@....com, corbet@....net, will@...nel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 9/9] serial: 8250_early: Support earlycon_kgdboc On Tue, Apr 21, 2020 at 02:14:47PM -0700, Douglas Anderson wrote: > Implement the read() function in the early console driver. With > recent kgdb patches this allows you to use kgdb to debug fairly early > into the system boot. > > We only bother implementing this if polling is enabled since kgdb > can't be enabled without that. > > Signed-off-by: Douglas Anderson <dianders@...omium.org> Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>
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