[rpi3] Fix SMP build for FreeBSD/arm64

2016-11-24 00:39:17 +00:00 · 2016-11-24 00:39:17 +00:00 · 0f04f5deaa
commit 0f04f5deaa
parent 0535a446ab
1 changed files with 4 additions and 0 deletions
--- a/sys/arm/broadcom/bcm2835/bcm2836.c
+++ b/sys/arm/broadcom/bcm2835/bcm2836.c
@ -362,7 +362,11 @@ bcm_lintc_ipi_dispatch(struct bcm_lintc_softc *sc, u_int cpu,
 		 * and make sure that it's observed by everybody.
 		 */
 		bcm_lintc_write_4(sc, BCM_LINTC_MBOX0_CLR_REG(cpu), 1 << ipi);
+#if defined(__aarch64__)
+		dsb(sy);
+#else
 		dsb();
+#endif
 		intr_ipi_dispatch(ipi, tf);
 	}
 }