aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel
diff options
context:
space:
mode:
authorLi Chen <chenl311@chinatelecom.cn>2025-07-10 18:57:07 +0800
committerPeter Zijlstra <peterz@infradead.org>2025-07-14 10:59:34 +0200
commite075f4360931263f5ec006ea5dadc065e5e98eb8 (patch)
tree245a444a557e180d10f698a2d9825fa6621c43a4 /arch/powerpc/kernel
parenttools/sched: Add dl_bw_dump.py for printing bandwidth accounting info (diff)
downloadlinux-e075f4360931263f5ec006ea5dadc065e5e98eb8.tar.gz
linux-e075f4360931263f5ec006ea5dadc065e5e98eb8.zip
smpboot: introduce SDTL_INIT() helper to tidy sched topology setup
Define a small SDTL_INIT(maskfn, flagsfn, name) macro and use it to build the sched_domain_topology_level array. Purely a cleanup; behaviour is unchanged. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Li Chen <chenl311@chinatelecom.cn> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: K Prateek Nayak <kprateek.nayak@amd.com> Tested-by: K Prateek Nayak <kprateek.nayak@amd.com> Link: https://lore.kernel.org/r/20250710105715.66594-2-me@linux.beauty
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/smp.c25
1 files changed, 10 insertions, 15 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 5ac7084eebc0..f59e4b9cc207 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -1700,28 +1700,23 @@ static void __init build_sched_topology(void)
#ifdef CONFIG_SCHED_SMT
if (has_big_cores) {
pr_info("Big cores detected but using small core scheduling\n");
- powerpc_topology[i++] = (struct sched_domain_topology_level){
- smallcore_smt_mask, powerpc_smt_flags, SD_INIT_NAME(SMT)
- };
+ powerpc_topology[i++] =
+ SDTL_INIT(smallcore_smt_mask, powerpc_smt_flags, SMT);
} else {
- powerpc_topology[i++] = (struct sched_domain_topology_level){
- cpu_smt_mask, powerpc_smt_flags, SD_INIT_NAME(SMT)
- };
+ powerpc_topology[i++] = SDTL_INIT(cpu_smt_mask, powerpc_smt_flags, SMT);
}
#endif
if (shared_caches) {
- powerpc_topology[i++] = (struct sched_domain_topology_level){
- shared_cache_mask, powerpc_shared_cache_flags, SD_INIT_NAME(CACHE)
- };
+ powerpc_topology[i++] =
+ SDTL_INIT(shared_cache_mask, powerpc_shared_cache_flags, CACHE);
}
+
if (has_coregroup_support()) {
- powerpc_topology[i++] = (struct sched_domain_topology_level){
- cpu_mc_mask, powerpc_shared_proc_flags, SD_INIT_NAME(MC)
- };
+ powerpc_topology[i++] =
+ SDTL_INIT(cpu_mc_mask, powerpc_shared_proc_flags, MC);
}
- powerpc_topology[i++] = (struct sched_domain_topology_level){
- cpu_cpu_mask, powerpc_shared_proc_flags, SD_INIT_NAME(PKG)
- };
+
+ powerpc_topology[i++] = SDTL_INIT(cpu_cpu_mask, powerpc_shared_proc_flags, PKG);
/* There must be one trailing NULL entry left. */
BUG_ON(i >= ARRAY_SIZE(powerpc_topology) - 1);