From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM64: DT: define ARM64 specific arch_match_cpu_phys_id
Date: Wed, 30 Oct 2013 12:06:00 +0000 [thread overview]
Message-ID: <20131030120600.GH3975@mbp> (raw)
In-Reply-To: <5270F042.6060600@arm.com>
On Wed, Oct 30, 2013 at 11:40:50AM +0000, Sudeep KarkadaNagesha wrote:
> On 21/10/13 13:29, Sudeep KarkadaNagesha wrote:
> > From: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
> >
> > OF/DT core library provides architecture specific hook to match the
> > logical cpu index with the corresponding physical identifier.
> >
> > On ARM64, the MPIDR_EL1 contains specific bitfields(MPIDR_EL1.Aff{3..0})
> > which uniquely identify a CPU, in addition to some non-identifying
> > information and reserved bits. The ARM cpu binding defines the 'reg'
> > property to only contain the affinity bits, and any cpu nodes with other
> > bits set in their 'reg' entry are skipped.
> >
> > This patch overrides the weak definition of arch_match_cpu_phys_id
> > with ARM64 specific version using MPIDR_EL1.Aff{3..0} as cpu physical
> > identifiers.
> >
>
> Can you take this trivial patch for v3.13 ?
I will take it (missed it with the KS event).
Thanks.
--
Catalin
prev parent reply other threads:[~2013-10-30 12:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-21 12:29 [PATCH] ARM64: DT: define ARM64 specific arch_match_cpu_phys_id Sudeep KarkadaNagesha
2013-10-30 11:40 ` Sudeep KarkadaNagesha
2013-10-30 12:06 ` Catalin Marinas [this message]
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