linux-kernel - Re: arm64: csdlock at early boot due to slow serial (?)

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Message-ID: <d6frpsfybjhdu6m77icrduuiqu6p7zfx3sbzfz62dvafkpaj56@sa5y7lvbvivu>
Date: Wed, 6 Aug 2025 08:53:33 -0700
From: Breno Leitao <leitao@...ian.org>
To: Nirmoy Das <nirmoyd@...dia.com>
Cc: catalin.marinas@....com, cov@...eaurora.org, leo.yan@....com, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org, 
	mark.rutland@....com, paulmck@...nel.org, rmikey@...a.com, rmk+kernel@...linux.org.uk, 
	usamaarif642@...il.com
Subject: Re: arm64: csdlock at early boot due to slow serial (?)

Hello Nirmoy,

On Wed, Aug 06, 2025 at 04:44:41AM -0700, Nirmoy Das wrote:
> Hi Breno,
> 
> I tried the latest kernel which seems to contain a fix. Bisecting it led me to https://patch.msgid.link/20250604142045.253301-1-pmladek@suse.com and that indeed fixes it for me.
> Could you please give it a try.

That is awesome. I've played a little bit with it, and I see it solving
my problem as well.

The machine is booting very fast now, taking 0.8 seconds to hit init.

	[    0.811320] Run /init as init process

Thanks for the heads-up!
--breno