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From: Madhavan Srinivasan <maddy@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, Srikar Dronamraju <srikar@linux.ibm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>,
	linux-kernel@vger.kernel.org,
	Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Shrikanth Hegde <sshegde@linux.ibm.com>
Subject: Re: [PATCH v2] powerpc/smp: Expose die_id and die_cpumask
Date: Fri, 21 Nov 2025 08:24:09 +0530	[thread overview]
Message-ID: <176369324788.72695.18054078744608030993.b4-ty@linux.ibm.com> (raw)
In-Reply-To: <20251112074859.814087-1-srikar@linux.ibm.com>

On Wed, 12 Nov 2025 13:18:59 +0530, Srikar Dronamraju wrote:
> >From Power10 processors onwards, each chip has 2 hemispheres. For LPARs
> running on PowerVM Hypervisor, hypervisor determines the allocation of
> CPU groups to each LPAR, resulting in two LPARs with the same number of
> CPUs potentially having different numbers of CPUs from each hemisphere.
> Additionally, it is not feasible to ascertain the hemisphere based
> solely on the CPU number.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/smp: Expose die_id and die_cpumask
      https://git.kernel.org/powerpc/c/fb2ff9fa72e20a75cab0ffc9dc8735de68ed4d0d

Thanks

      reply	other threads:[~2025-11-21  2:56 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-12  7:48 Srikar Dronamraju
2025-11-21  2:54 ` Madhavan Srinivasan [this message]

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