diff mbox series

[1/3] riscv: Deduplicate code in setup_smp()

Message ID 20231121234736.3489608-2-samuel.holland@sifive.com
State New
Headers
Series riscv: CPU operations cleanup |

Commit Message

Samuel Holland Nov. 21, 2023, 11:47 p.m. UTC 
  Both the ACPI and DT implementations contain some of the same code.
Move it to the calling function so it is not duplicated.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
---

 arch/riscv/kernel/smpboot.c | 31 +++++++++++--------------------
 1 file changed, 11 insertions(+), 20 deletions(-)

Comments

Conor Dooley Nov. 22, 2023, 11:18 a.m. UTC | #1 
On Tue, Nov 21, 2023 at 03:47:24PM -0800, Samuel Holland wrote:
> Both the ACPI and DT implementations contain some of the same code.
> Move it to the calling function so it is not duplicated.
> 
> Signed-off-by: Samuel Holland <samuel.holland@sifive.com>

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Cheers,
Conor.
diff mbox series

Patch

diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c
index d162bf339beb..1c68e61fb852 100644
--- a/arch/riscv/kernel/smpboot.c
+++ b/arch/riscv/kernel/smpboot.c
@@ -125,18 +125,7 @@  static int __init acpi_parse_rintc(union acpi_subtable_headers *header, const un
 
 static void __init acpi_parse_and_init_cpus(void)
 {
-	int cpuid;
-
-	cpu_set_ops(0);
-
 	acpi_table_parse_madt(ACPI_MADT_TYPE_RINTC, acpi_parse_rintc, 0);
-
-	for (cpuid = 1; cpuid < nr_cpu_ids; cpuid++) {
-		if (cpuid_to_hartid_map(cpuid) != INVALID_HARTID) {
-			cpu_set_ops(cpuid);
-			set_cpu_possible(cpuid, true);
-		}
-	}
 }
 #else
 #define acpi_parse_and_init_cpus(...)	do { } while (0)
@@ -150,8 +139,6 @@  static void __init of_parse_and_init_cpus(void)
 	int cpuid = 1;
 	int rc;
 
-	cpu_set_ops(0);
-
 	for_each_of_cpu_node(dn) {
 		rc = riscv_early_of_processor_hartid(dn, &hart);
 		if (rc < 0)
@@ -179,21 +166,25 @@  static void __init of_parse_and_init_cpus(void)
 	if (cpuid > nr_cpu_ids)
 		pr_warn("Total number of cpus [%d] is greater than nr_cpus option value [%d]\n",
 			cpuid, nr_cpu_ids);
-
-	for (cpuid = 1; cpuid < nr_cpu_ids; cpuid++) {
-		if (cpuid_to_hartid_map(cpuid) != INVALID_HARTID) {
-			cpu_set_ops(cpuid);
-			set_cpu_possible(cpuid, true);
-		}
-	}
 }
 
 void __init setup_smp(void)
 {
+	int cpuid;
+
+	cpu_set_ops(0);
+
 	if (acpi_disabled)
 		of_parse_and_init_cpus();
 	else
 		acpi_parse_and_init_cpus();
+
+	for (cpuid = 1; cpuid < nr_cpu_ids; cpuid++) {
+		if (cpuid_to_hartid_map(cpuid) != INVALID_HARTID) {
+			cpu_set_ops(cpuid);
+			set_cpu_possible(cpuid, true);
+		}
+	}
 }
 
 static int start_secondary_cpu(int cpu, struct task_struct *tidle)