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-rw-r--r--sys/amd64/amd64/mp_machdep.c6
-rw-r--r--sys/i386/i386/mp_machdep.c12
2 files changed, 5 insertions, 13 deletions
diff --git a/sys/amd64/amd64/mp_machdep.c b/sys/amd64/amd64/mp_machdep.c
index dbd1e44..d94cafb 100644
--- a/sys/amd64/amd64/mp_machdep.c
+++ b/sys/amd64/amd64/mp_machdep.c
@@ -948,11 +948,10 @@ ipi_bitmap_handler(struct trapframe frame)
ipi_bitmap = atomic_readandclear_int(&cpu_ipi_pending[cpu]);
-#ifdef IPI_PREEMPTION
- if (ipi_bitmap & IPI_PREEMPT) {
+ if (ipi_bitmap & (1 << IPI_PREEMPT)) {
mtx_lock_spin(&sched_lock);
/* Don't preempt the idle thread */
- if (curthread->td_priority < PRI_MIN_IDLE) {
+ if (curthread != PCPU_GET(idlethread)) {
struct thread *running_thread = curthread;
if (running_thread->td_critnest > 1)
running_thread->td_owepreempt = 1;
@@ -961,7 +960,6 @@ ipi_bitmap_handler(struct trapframe frame)
}
mtx_unlock_spin(&sched_lock);
}
-#endif
/* Nothing to do for AST */
}
diff --git a/sys/i386/i386/mp_machdep.c b/sys/i386/i386/mp_machdep.c
index 1933511..4cc5b73 100644
--- a/sys/i386/i386/mp_machdep.c
+++ b/sys/i386/i386/mp_machdep.c
@@ -163,9 +163,7 @@ static void ipi_nmi_selected(u_int32_t cpus);
#ifdef COUNT_IPIS
/* Interrupt counts. */
-#ifdef IPI_PREEMPTION
static u_long *ipi_preempt_counts[MAXCPU];
-#endif
static u_long *ipi_ast_counts[MAXCPU];
u_long *ipi_invltlb_counts[MAXCPU];
u_long *ipi_invlrng_counts[MAXCPU];
@@ -1143,14 +1141,13 @@ ipi_bitmap_handler(struct trapframe frame)
ipi_bitmap = atomic_readandclear_int(&cpu_ipi_pending[cpu]);
-#ifdef IPI_PREEMPTION
- if (ipi_bitmap & IPI_PREEMPT) {
+ if (ipi_bitmap & (1 << IPI_PREEMPT)) {
#ifdef COUNT_IPIS
*ipi_preempt_counts[cpu]++;
#endif
mtx_lock_spin(&sched_lock);
/* Don't preempt the idle thread */
- if (curthread->td_priority < PRI_MIN_IDLE) {
+ if (curthread != PCPU_GET(idlethread)) {
struct thread *running_thread = curthread;
if (running_thread->td_critnest > 1)
running_thread->td_owepreempt = 1;
@@ -1159,9 +1156,8 @@ ipi_bitmap_handler(struct trapframe frame)
}
mtx_unlock_spin(&sched_lock);
}
-#endif
- if (ipi_bitmap & IPI_AST) {
+ if (ipi_bitmap & (1 << IPI_AST)) {
#ifdef COUNT_IPIS
*ipi_ast_counts[cpu]++;
#endif
@@ -1514,10 +1510,8 @@ mp_ipi_intrcnt(void *dummy)
intrcnt_add(buf, &ipi_invlrng_counts[i]);
snprintf(buf, sizeof(buf), "cpu%d: invlpg", i);
intrcnt_add(buf, &ipi_invlpg_counts[i]);
-#ifdef IPI_PREEMPTION
snprintf(buf, sizeof(buf), "cpu%d: preempt", i);
intrcnt_add(buf, &ipi_preempt_counts[i]);
-#endif
snprintf(buf, sizeof(buf), "cpu%d: ast", i);
intrcnt_add(buf, &ipi_ast_counts[i]);
snprintf(buf, sizeof(buf), "cpu%d: rendezvous", i);
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