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Diffstat (limited to 'arch/mips/kernel/smtc.c')
-rw-r--r--arch/mips/kernel/smtc.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 31d22f3121c..75a4fd70984 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -34,6 +34,7 @@
#include <asm/hardirq.h>
#include <asm/hazards.h>
#include <asm/irq.h>
+#include <asm/idle.h>
#include <asm/mmu_context.h>
#include <asm/mipsregs.h>
#include <asm/cacheflush.h>
@@ -111,7 +112,7 @@ static int vpe0limit;
static int ipibuffers;
static int nostlb;
static int asidmask;
-unsigned int smtc_asid_mask = 0xff;
+unsigned long smtc_asid_mask = 0xff;
static int __init vpe0tcs(char *str)
{
@@ -858,7 +859,6 @@ void smtc_send_ipi(int cpu, int type, unsigned int action)
unsigned long flags;
int mtflags;
unsigned long tcrestart;
- extern void r4k_wait_irqoff(void), __pastwait(void);
int set_resched_flag = (type == LINUX_SMP_IPI &&
action == SMP_RESCHEDULE_YOURSELF);
@@ -914,8 +914,7 @@ void smtc_send_ipi(int cpu, int type, unsigned int action)
*/
if (cpu_wait == r4k_wait_irqoff) {
tcrestart = read_tc_c0_tcrestart();
- if (tcrestart >= (unsigned long)r4k_wait_irqoff
- && tcrestart < (unsigned long)__pastwait) {
+ if (address_is_in_r4k_wait_irqoff(tcrestart)) {
write_tc_c0_tcrestart(__pastwait);
tcstatus &= ~TCSTATUS_IXMT;
write_tc_c0_tcstatus(tcstatus);
@@ -1395,7 +1394,7 @@ void smtc_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
asid = asid_cache(cpu);
do {
- if (!ASID_MASK(ASID_INC(asid))) {
+ if (!((asid += ASID_INC) & ASID_MASK) ) {
if (cpu_has_vtag_icache)
flush_icache_all();
/* Traverse all online CPUs (hack requires contiguous range) */
@@ -1414,7 +1413,7 @@ void smtc_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
mips_ihb();
}
tcstat = read_tc_c0_tcstatus();
- smtc_live_asid[tlb][ASID_MASK(tcstat)] |= (asiduse)(0x1 << i);
+ smtc_live_asid[tlb][(tcstat & ASID_MASK)] |= (asiduse)(0x1 << i);
if (!prevhalt)
write_tc_c0_tchalt(0);
}
@@ -1423,7 +1422,7 @@ void smtc_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
asid = ASID_FIRST_VERSION;
local_flush_tlb_all(); /* start new asid cycle */
}
- } while (smtc_live_asid[tlb][ASID_MASK(asid)]);
+ } while (smtc_live_asid[tlb][(asid & ASID_MASK)]);
/*
* SMTC shares the TLB within VPEs and possibly across all VPEs.
@@ -1461,7 +1460,7 @@ void smtc_flush_tlb_asid(unsigned long asid)
tlb_read();
ehb();
ehi = read_c0_entryhi();
- if (ASID_MASK(ehi) == asid) {
+ if ((ehi & ASID_MASK) == asid) {
/*
* Invalidate only entries with specified ASID,
* makiing sure all entries differ.