From: Matthias Kaehlcke <mka@chromium.org>
To: Marc Zyngier <maz@kernel.org>
Cc: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
kernel-team@android.com,
Catalin Marinas <catalin.marinas@arm.com>,
Doug Anderson <dianders@google.com>,
Will Deacon <will@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: Allow CPUs unffected by ARM erratum 1418040 to come in late
Date: Fri, 11 Sep 2020 11:59:03 -0700 [thread overview]
Message-ID: <20200911185903.GA942772@google.com> (raw)
In-Reply-To: <20200911181611.2073183-1-maz@kernel.org>
On Fri, Sep 11, 2020 at 07:16:11PM +0100, Marc Zyngier wrote:
> Now that we allow CPUs affected by erratum 1418040 to come in late,
> this prevents their unaffected sibblings from coming in late (or
> coming back after a suspend or hotplug-off, which amounts to the
> same thing).
>
> To allow this, we need to add ARM64_CPUCAP_OPTIONAL_FOR_LATE_CPU,
> which amounts to set .type to ARM64_CPUCAP_WEAK_LOCAL_CPU_FEATURE.
>
> Reported-by: Doug Anderson <dianders@google.com>
> Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
> Fixes: bf87bb0881d0 ("arm64: Allow booting of late CPUs affected by erratum 1418040")
> Signed-off-by: Marc Zyngier <maz@kernel.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
And I guess I deserve brownie points for having found the problem
initially and identified the offending commit, even though it was
Doug who reported it to the list :)
Reported-by: Matthias Kaehlcke <mka@chromium.org>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-09-11 19:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-11 18:16 [PATCH] arm64: Allow CPUs unffected by ARM erratum 1418040 to come in late Marc Zyngier
2020-09-11 18:31 ` Will Deacon
2020-09-11 18:59 ` Matthias Kaehlcke [this message]
2020-09-11 19:51 ` Doug Anderson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200911185903.GA942772@google.com \
--to=mka@chromium.org \
--cc=catalin.marinas@arm.com \
--cc=dianders@google.com \
--cc=kernel-team@android.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=maz@kernel.org \
--cc=saiprakash.ranjan@codeaurora.org \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).