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authorRalf Baechle <ralf@linux-mips.org>2007-03-02 20:42:04 +0000
committerRalf Baechle <ralf@linux-mips.org>2008-01-29 10:14:57 +0000
commit0ab7aefc4d43a6dee26c891b41ef9c7a67d2379b (patch)
tree4a627b7079979ad43b08cef297b2a6eb78d0a78e /arch/mips/kernel/smp-mt.c
parent92b1e6a64a8d9d5ed3ec8797eed8b36e2164a410 (diff)
[MIPS] MT: Scheduler support for SMT
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/smp-mt.c')
-rw-r--r--arch/mips/kernel/smp-mt.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index 94e210cc6cb6..2ab0b7eeaa7e 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -22,6 +22,7 @@
#include <linux/cpumask.h>
#include <linux/interrupt.h>
#include <linux/compiler.h>
+#include <linux/smp.h>
#include <asm/atomic.h>
#include <asm/cacheflush.h>
@@ -30,7 +31,6 @@
#include <asm/system.h>
#include <asm/hardirq.h>
#include <asm/mmu_context.h>
-#include <asm/smp.h>
#include <asm/time.h>
#include <asm/mipsregs.h>
#include <asm/mipsmtregs.h>
@@ -223,6 +223,7 @@ static void __init smp_tc_init(unsigned int tc, unsigned int mvpconf0)
void __init plat_smp_setup(void)
{
unsigned int mvpconf0, ntc, tc, ncpu = 0;
+ unsigned int nvpe;
#ifdef CONFIG_MIPS_MT_FPAFF
/* If we have an FPU, enroll ourselves in the FPU-full mask */
@@ -242,6 +243,9 @@ void __init plat_smp_setup(void)
mvpconf0 = read_c0_mvpconf0();
ntc = (mvpconf0 & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT;
+ nvpe = ((mvpconf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1;
+ smp_num_siblings = nvpe;
+
/* we'll always have more TC's than VPE's, so loop setting everything
to a sensible state */
for (tc = 0; tc <= ntc; tc++) {