Module Name: src
Committed By: mrg
Date: Thu Jan 16 06:34:24 UTC 2020
Modified Files:
src/sys/arch/arm/arm: arm_cpu_topology.c
Log Message:
make the topology support empty on non-SMP enabled kernels.
reduces kernel sizes and also fixes the builds.
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/arm/arm/arm_cpu_topology.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/arm/arm_cpu_topology.c
diff -u src/sys/arch/arm/arm/arm_cpu_topology.c:1.1 src/sys/arch/arm/arm/arm_cpu_topology.c:1.2
--- src/sys/arch/arm/arm/arm_cpu_topology.c:1.1 Wed Jan 15 08:34:04 2020
+++ src/sys/arch/arm/arm/arm_cpu_topology.c Thu Jan 16 06:34:24 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: arm_cpu_topology.c,v 1.1 2020/01/15 08:34:04 mrg Exp $ */
+/* $NetBSD: arm_cpu_topology.c,v 1.2 2020/01/16 06:34:24 mrg Exp $ */
/*
* Copyright (c) 2020 Matthew R. Green
@@ -28,10 +28,12 @@
* SUCH DAMAGE.
*/
+/* CPU topology support for ARMv7 and ARMv8 systems. */
+
#include "opt_multiprocessor.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: arm_cpu_topology.c,v 1.1 2020/01/15 08:34:04 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: arm_cpu_topology.c,v 1.2 2020/01/16 06:34:24 mrg Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -40,12 +42,14 @@ __KERNEL_RCSID(0, "$NetBSD: arm_cpu_topo
#include <arm/cpu.h>
#include <arm/cpu_topology.h>
+#include <arm/armreg.h>
#include <prop/proplib.h>
void
arm_cpu_topology_set(struct cpu_info * const ci, uint64_t mpidr, bool slow)
{
+#ifdef MULTIPROCESSOR
uint pkgid, coreid, smtid, numaid = 0;
if (mpidr & MPIDR_MT) {
@@ -58,6 +62,7 @@ arm_cpu_topology_set(struct cpu_info * c
smtid = 0;
}
cpu_topology_set(ci, pkgid, coreid, smtid, numaid, slow);
+#endif /* MULTIPROCESSOR */
}
void
@@ -66,7 +71,6 @@ arm_cpu_do_topology(struct cpu_info *con
#ifdef MULTIPROCESSOR
struct cpu_info *ci;
CPU_INFO_ITERATOR cii;
-#endif /* MULTIPROCESSOR */
prop_dictionary_t dict;
uint32_t capacity_dmips_mhz = 0;
static uint32_t best_cap = 0;
@@ -87,7 +91,6 @@ arm_cpu_do_topology(struct cpu_info *con
arm_cpu_topology_set(newci, arm_cpu_mpidr(newci),
newci->ci_capacity_dmips_mhz < best_cap);
-#ifdef MULTIPROCESSOR
/*
* Using saved largest capacity, refresh previous topology info.
* It's supposed to be OK to re-set topology.