From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/tools/testing/selftests/powerpc/mm/prot_sao.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/kernel/tools/testing/selftests/powerpc/mm/prot_sao.c b/kernel/tools/testing/selftests/powerpc/mm/prot_sao.c
index 611530d..30b71b1 100644
--- a/kernel/tools/testing/selftests/powerpc/mm/prot_sao.c
+++ b/kernel/tools/testing/selftests/powerpc/mm/prot_sao.c
@@ -1,12 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2016, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
+#include <unistd.h>
#include <asm/cputable.h>
@@ -18,8 +19,13 @@
{
char *p;
- /* 2.06 or later should support SAO */
- SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06));
+ /*
+ * SAO was introduced in 2.06 and removed in 3.1. It's disabled in
+ * guests/LPARs by default, so also skip if we are running in a guest.
+ */
+ SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06) ||
+ have_hwcap2(PPC_FEATURE2_ARCH_3_1) ||
+ access("/proc/device-tree/rtas/ibm,hypertas-functions", F_OK) == 0);
/*
* Ensure we can ask for PROT_SAO.
--
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