- Adjust a comment, we do program the performance counter LVT entry now

  if hwpmc(4) is included.
- Don't recursively panic if we are unable to send an IPI, just bail and
  hope for the best.

MFC after:	1 week

1 files changed, 7 insertions, 3 deletions

diff --git a/sys/i386/i386/local_apic.c b/sys/i386/i386/local_apic.c
index df4d1de..1e0132c 100644
--- a/sys/i386/i386/local_apic.c
+++ b/sys/i386/i386/local_apic.c
@@ -324,7 +324,7 @@ lapic_setup(void)
 		lapic_timer_enable_intr();
 	}
 
-	/* XXX: Performance counter, error, and thermal LVTs */
+	/* XXX: Error and thermal LVTs */
 
 	intr_restore(eflags);
 }
@@ -928,8 +928,12 @@ lapic_ipi_vectored(u_int vector, int dest)
 	}
 
 	/* Wait for an earlier IPI to finish. */
-	if (!lapic_ipi_wait(BEFORE_SPIN))
-		panic("APIC: Previous IPI is stuck");
+	if (!lapic_ipi_wait(BEFORE_SPIN)) {
+		if (panicstr != NULL)
+			return;
+		else
+			panic("APIC: Previous IPI is stuck");
+	}
 
 	lapic_ipi_raw(icrlo, destfield);