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[MIPS] MT: Scheduler support for SMT

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2007-03-02 20:42:04 +00:00
parent 92b1e6a64a
commit 0ab7aefc4d
7 changed files with 73 additions and 2 deletions
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6
arch/mips/kernel/smp-mt.c
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@@ -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++) {