Module Name: src
Committed By: jmcneill
Date: Mon Oct 14 22:53:05 UTC 2019
Modified Files:
src/sys/arch/aarch64/aarch64: cpu.c
Log Message:
Remove the A72 errata #859971 detection, it causes an illegal instruction on
AWS A1 (virtualized)
To generate a diff of this commit:
cvs rdiff -u -r1.21 -r1.22 src/sys/arch/aarch64/aarch64/cpu.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/aarch64/aarch64/cpu.c
diff -u src/sys/arch/aarch64/aarch64/cpu.c:1.21 src/sys/arch/aarch64/aarch64/cpu.c:1.22
--- src/sys/arch/aarch64/aarch64/cpu.c:1.21 Sun Sep 15 15:16:30 2019
+++ src/sys/arch/aarch64/aarch64/cpu.c Mon Oct 14 22:53:05 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: cpu.c,v 1.21 2019/09/15 15:16:30 tnn Exp $ */
+/* $NetBSD: cpu.c,v 1.22 2019/10/14 22:53:05 jmcneill Exp $ */
/*
* Copyright (c) 2017 Ryo Shimizu <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: cpu.c,v 1.21 2019/09/15 15:16:30 tnn Exp $");
+__KERNEL_RCSID(1, "$NetBSD: cpu.c,v 1.22 2019/10/14 22:53:05 jmcneill Exp $");
#include "locators.h"
#include "opt_arm_debug.h"
@@ -432,14 +432,6 @@ cpu_identify2(device_t self, struct cpu_
}
aprint_normal("\n");
-
- if ((id->ac_midr & CPU_PARTMASK) == (CPU_ID_CORTEXA72R0 & CPU_PARTMASK)
- && __SHIFTOUT(id->ac_midr, CPU_ID_REVISION_MASK) <= 3) {
- aprint_normal_dev(self, "A72 errata #859971 present"
- ", workaround %s\n",
- ISSET(reg_a72_cpuactlr_el1_read(), __BIT(32))
- ? "enabled" : "NOT enabled (U-Boot update needed)");
- }
}
/*
