diff mbox series

[v5,04/10] powerpc/smp: Move topology fixups into a new function

Message ID 20200810071834.92514-5-srikar@linux.vnet.ibm.com (mailing list archive)
State Accepted
Commit 3c6032a8fe99547d31b2b57715e303a67d1b0c66
Headers show
Series Coregroup support on Powerpc | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success Successfully applied on branch powerpc/merge (1f788123eabf933e828eab9cf8f018ae18faa38f)
snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 29 lines checked
snowpatch_ozlabs/needsstable success Patch has no Fixes tags

Commit Message

Srikar Dronamraju Aug. 10, 2020, 7:18 a.m. UTC 
Move topology fixup based on the platform attributes into its own
function which is called just before set_sched_topology.

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: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Valentin Schneider <valentin.schneider@arm.com>
Cc: Jordan Niethe <jniethe5@gmail.com>
Cc: Vaidyanathan Srinivasan <svaidy@linux.ibm.com>
Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
---
Changelog v2 -> v3:
	Rewrote changelog (Gautham)
	Renamed to powerpc/smp: Move topology fixups into  a new function

 arch/powerpc/kernel/smp.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 39224a042468..b13161a5ffc3 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -1362,6 +1362,16 @@  int setup_profiling_timer(unsigned int multiplier)
 	return 0;
 }
 
+static void fixup_topology(void)
+{
+#ifdef CONFIG_SCHED_SMT
+	if (has_big_cores) {
+		pr_info("Big cores detected but using small core scheduling\n");
+		powerpc_topology[0].mask = smallcore_smt_mask;
+	}
+#endif
+}
+
 void __init smp_cpus_done(unsigned int max_cpus)
 {
 	/*
@@ -1375,12 +1385,7 @@  void __init smp_cpus_done(unsigned int max_cpus)
 
 	dump_numa_cpu_topology();
 
-#ifdef CONFIG_SCHED_SMT
-	if (has_big_cores) {
-		pr_info("Big cores detected but using small core scheduling\n");
-		powerpc_topology[0].mask = smallcore_smt_mask;
-	}
-#endif
+	fixup_topology();
 	set_sched_topology(powerpc_topology);
 }