From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nathan Lynch <nathanl@linux.ibm.com>,
Gautham R Shenoy <ego@linux.vnet.ibm.com>,
Michael Neuling <mikey@neuling.org>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
Nicholas Piggin <npiggin@gmail.com>,
Valentin Schneider <valentin.schneider@arm.com>,
Oliver O'Halloran <oohall@gmail.com>,
Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
Ingo Molnar <mingo@kernel.org>
Subject: [PATCH 1/7] powerpc/topology: Update topology_core_cpumask
Date: Mon, 27 Jul 2020 13:25:26 +0530 [thread overview]
Message-ID: <20200727075532.30058-2-srikar@linux.vnet.ibm.com> (raw)
In-Reply-To: <20200727075532.30058-1-srikar@linux.vnet.ibm.com>
On Power, cpu_core_mask and cpu_cpu_mask refer to the same set of CPUs.
cpu_cpu_mask is needed by scheduler, hence look at deprecating
cpu_core_mask. Before deleting the cpu_core_mask, ensure its only user
is moved to cpu_cpu_mask.
Cc: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Anton Blanchard <anton@ozlabs.org>
Cc: Oliver O'Halloran <oohall@gmail.com>
Cc: Nathan Lynch <nathanl@linux.ibm.com>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Gautham R Shenoy <ego@linux.vnet.ibm.com>
Cc: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
---
arch/powerpc/include/asm/topology.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 6609174918ab..e0f232533c9d 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -122,7 +122,7 @@ int get_physical_package_id(int cpu);
#endif
#define topology_sibling_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu))
-#define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu))
+#define topology_core_cpumask(cpu) (cpu_cpu_mask(cpu))
#define topology_core_id(cpu) (cpu_to_core_id(cpu))
#endif
--
2.17.1
next prev parent reply other threads:[~2020-07-27 8:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-27 7:55 [PATCH 0/7] Optimization to improve cpu online/offline on Powerpc Srikar Dronamraju
2020-07-27 7:55 ` Srikar Dronamraju [this message]
2020-07-27 7:55 ` [PATCH 2/7] powerpc/smp: Stop updating cpu_core_mask Srikar Dronamraju
2020-07-27 7:55 ` [PATCH 3/7] powerpc/smp: Remove get_physical_package_id Srikar Dronamraju
2020-07-27 7:55 ` [PATCH 4/7] powerpc/smp: Optimize remove_cpu_from_masks Srikar Dronamraju
2020-07-27 7:55 ` [PATCH 5/7] powerpc/smp: Limit cpus traversed to within a node Srikar Dronamraju
2020-07-27 7:55 ` [PATCH 6/7] powerpc/smp: Stop passing mask to update_mask_by_l2 Srikar Dronamraju
2020-07-27 7:55 ` [PATCH 7/7] powerpc/smp: Depend on cpu_l1_cache_map when adding cpus Srikar Dronamraju
2020-07-29 12:54 ` [PATCH 0/7] Optimization to improve cpu online/offline on Powerpc Satheesh Rajendran
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