linux-kernel - [PATCH v9 37/51] selftest/vm: fix the wrong assert in pkey_disable

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Message-Id: <1509958663-18737-38-git-send-email-linuxram@us.ibm.com>
Date:   Mon,  6 Nov 2017 00:57:29 -0800
From:   Ram Pai <linuxram@...ibm.com>
To:     mpe@...erman.id.au, mingo@...hat.com, akpm@...ux-foundation.org,
        corbet@....net, arnd@...db.de
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-mm@...ck.org, x86@...nel.org,
        linux-arch@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        dave.hansen@...el.com, benh@...nel.crashing.org, paulus@...ba.org,
        khandual@...ux.vnet.ibm.com, aneesh.kumar@...ux.vnet.ibm.com,
        bsingharora@...il.com, hbabu@...ibm.com, mhocko@...nel.org,
        bauerman@...ux.vnet.ibm.com, ebiederm@...ssion.com,
        linuxram@...ibm.com
Subject: [PATCH v9 37/51] selftest/vm: fix the wrong assert in pkey_disable_set()

If the flag is 0, no bits will be set. Hence we cant expect
the resulting bitmap to have a higher value than what it
was earlier.

Signed-off-by: Ram Pai <linuxram@...ibm.com>
---
 tools/testing/selftests/vm/protection_keys.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/testing/selftests/vm/protection_keys.c b/tools/testing/selftests/vm/protection_keys.c
index 8e2e277..5aba137 100644
--- a/tools/testing/selftests/vm/protection_keys.c
+++ b/tools/testing/selftests/vm/protection_keys.c
@@ -443,7 +443,7 @@ void pkey_disable_set(int pkey, int flags)
 	dprintf1("%s(%d) pkey_reg: 0x%lx\n",
 		__func__, pkey, rdpkey_reg());
 	if (flags)
-		pkey_assert(rdpkey_reg() > orig_pkey_reg);
+		pkey_assert(rdpkey_reg() >= orig_pkey_reg);
 	dprintf1("END<---%s(%d, 0x%x)\n", __func__,
 		pkey, flags);
 }
-- 
1.7.1