Module Name: src
Committed By: mrg
Date: Sat May 29 02:58:38 UTC 2021
Modified Files:
src/sys/arch/sparc/sparc: cpu.c
Log Message:
report to the scheduler if we have different speed cpus.
To generate a diff of this commit:
cvs rdiff -u -r1.259 -r1.260 src/sys/arch/sparc/sparc/cpu.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/sparc/sparc/cpu.c
diff -u src/sys/arch/sparc/sparc/cpu.c:1.259 src/sys/arch/sparc/sparc/cpu.c:1.260
--- src/sys/arch/sparc/sparc/cpu.c:1.259 Sun Jan 24 07:36:54 2021
+++ src/sys/arch/sparc/sparc/cpu.c Sat May 29 02:58:37 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: cpu.c,v 1.259 2021/01/24 07:36:54 mrg Exp $ */
+/* $NetBSD: cpu.c,v 1.260 2021/05/29 02:58:37 mrg Exp $ */
/*
* Copyright (c) 1996
@@ -52,7 +52,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.259 2021/01/24 07:36:54 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.260 2021/05/29 02:58:37 mrg Exp $");
#include "opt_multiprocessor.h"
#include "opt_lockdebug.h"
@@ -520,6 +520,19 @@ cpu_attach(struct cpu_softc *sc, int nod
*/
if (bootmid == 0)
bootmid = mid;
+
+ /*
+ * Set speeds now we've attached all CPUs.
+ */
+ if (sparc_ncpus > 1 && sparc_ncpus == cpu_attach_count) {
+ CPU_INFO_ITERATOR n;
+ unsigned best_hz = 0;
+
+ for (CPU_INFO_FOREACH(n, cpi))
+ best_hz = MAX(cpi->hz, best_hz);
+ for (CPU_INFO_FOREACH(n, cpi))
+ cpu_topology_setspeed(cpi, cpi->hz < best_hz);
+ }
}
/*
