pkeys: Remove easily triggered WARN
authorDave Jones <davej@codemonkey.org.uk>
Fri, 14 Oct 2016 18:26:24 +0000 (14:26 -0400)
committerThomas Gleixner <tglx@linutronix.de>
Sat, 15 Oct 2016 10:34:17 +0000 (12:34 +0200)
This easy-to-trigger warning shows up instantly when running
Trinity on a kernel with CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS disabled.

At most this should have been a printk, but the -EINVAL alone should be more
than adequate indicator that something isn't available.

Signed-off-by: Dave Jones <davej@codemonkey.org.uk>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: linux-arch@vger.kernel.org
Cc: arnd@arndb.de
Cc: linux-api@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: luto@kernel.org
Cc: torvalds@linux-foundation.org
Cc: akpm@linux-foundation.org
Cc: mgorman@techsingularity.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
include/linux/pkeys.h

index e4c08c1ff0c5906786f549c36fbc9b060f323e58..a1bacf1150b2146e6cf560740459edf08f0c18a5 100644 (file)
@@ -25,7 +25,6 @@ static inline int mm_pkey_alloc(struct mm_struct *mm)
 
 static inline int mm_pkey_free(struct mm_struct *mm, int pkey)
 {
-       WARN_ONCE(1, "free of protection key when disabled");
        return -EINVAL;
 }