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pkeys: Remove easily triggered WARN 

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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Dave Jones 2016-10-14 14:26:24 -04:00 committed by Linus Torvalds
parent e9f8f48bca
commit 496063426d
1 changed files with 0 additions and 1 deletions
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include/linux/pkeys.h
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@ -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;
}