From bc2983d6d69f9ee08530991a71abcfa20732f265 Mon Sep 17 00:00:00 2001
From: Dave Hansen <dave.hansen@linux.intel.com>
Date: Thu, 13 Oct 2016 10:46:47 +0200
Subject: [PATCH] sigaction.2: Further documentation of SEGV_PKUERR

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/sigaction.2 | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/man2/sigaction.2 b/man2/sigaction.2
index 9957fd74d..6a284b4b6 100644
--- a/man2/sigaction.2
+++ b/man2/sigaction.2
@@ -650,7 +650,11 @@ Failed address bound checks.
 .TP
 .BR SEGV_PKUERR " (since Linux 4.6)"
 .\" commit cd0ea35ff5511cde299a61c21a95889b4a71464e
-Protection key fault.
+Access was denied by memory protection keys.
+See
+.BR pkeys (7).
+The protection key which applied to this access is available via
+.IR si_pkey .
 .RE
 .PP
 The following values can be placed in