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authorSrikar Dronamraju <srikar@linux.vnet.ibm.com>2020-08-10 09:18:28 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2020-09-16 14:13:31 +0200
commit3c6032a8fe99547d31b2b57715e303a67d1b0c66 (patch)
treee64c06f782aea5517ac57fd1e1254dd870758105 /arch
parentpowerpc/smp: Move powerpc_topology above (diff)
downloadlinux-3c6032a8fe99547d31b2b57715e303a67d1b0c66.tar.xz
linux-3c6032a8fe99547d31b2b57715e303a67d1b0c66.zip
powerpc/smp: Move topology fixups into a new function
Move topology fixup based on the platform attributes into its own function which is called just before set_sched_topology. Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200810071834.92514-5-srikar@linux.vnet.ibm.com
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/smp.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index b12d143c7104..9f4333d0748b 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -1363,6 +1363,16 @@ 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)
{
/*
@@ -1376,12 +1386,7 @@ 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);
}