From: Valentin Schneider <valentin.schneider@arm.com>
To: Ruifeng Zhang <ruifeng.zhang0110@gmail.com>,
linux@armlinux.org.uk, sudeep.holla@arm.com,
gregkh@linuxfoundation.org, rafael@kernel.org,
a.p.zijlstra@chello.nl, dietmar.eggemann@arm.com,
mingo@kernel.org, ruifeng.zhang1@unisoc.com,
nianfu.bai@unisoc.com
Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/1] arm: topology: parse the topology from the dt
Date: Thu, 15 Apr 2021 19:09:41 +0100 [thread overview]
Message-ID: <871rbbmnbu.mognet@arm.com> (raw)
In-Reply-To: <20210414122326.5255-2-ruifeng.zhang0110@gmail.com>
On 14/04/21 20:23, Ruifeng Zhang wrote:
> From: Ruifeng Zhang <ruifeng.zhang1@unisoc.com>
>
> The arm topology still parse from the MPIDR, but it is incomplete. When
> the armv8.2 or above cpu runs kernel in EL1 with aarch32 mode, it will
> parse out the wrong topology.
>
Per my other email, isn't the problem that MPIDR can't be trusted to
properly represent the topology, and thus a new method of describing the
topology (cpu-map) has to be used?
next prev parent reply other threads:[~2021-04-15 18:09 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-14 12:23 [PATCH v2 0/1] arm: topology: parse the topology from the dt Ruifeng Zhang
2021-04-14 12:23 ` [PATCH v2 1/1] " Ruifeng Zhang
2021-04-14 12:38 ` Ruifeng Zhang
2021-04-15 18:09 ` Valentin Schneider [this message]
2021-04-15 18:09 ` [PATCH v2 0/1] " Valentin Schneider
2021-04-15 20:10 ` Dietmar Eggemann
2021-04-16 7:47 ` Ruifeng Zhang
2021-04-16 9:32 ` Valentin Schneider
2021-04-16 10:39 ` Dietmar Eggemann
2021-04-16 10:47 ` Valentin Schneider
2021-04-16 11:04 ` Ruifeng Zhang
2021-04-16 17:00 ` Dietmar Eggemann
2021-04-19 2:55 ` Ruifeng Zhang
2021-04-19 21:27 ` Dietmar Eggemann
2021-04-23 6:25 ` Ruifeng Zhang
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