Date: Thu, 15 Feb 2018 18:19:25 +0000 (UTC) From: Conrad Meyer <cem@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r329330 - head/share/man/man9 Message-ID: <201802151819.w1FIJPq3089789@repo.freebsd.org>
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Author: cem Date: Thu Feb 15 18:19:25 2018 New Revision: 329330 URL: https://svnweb.freebsd.org/changeset/base/329330 Log: pmap_qenter.9: Clarify that not all arch can map NX The goal is to use security features when architectures provide them. Reported by: kib Sponsored by: Dell EMC Isilon Modified: head/share/man/man9/pmap_qenter.9 Modified: head/share/man/man9/pmap_qenter.9 ============================================================================== --- head/share/man/man9/pmap_qenter.9 Thu Feb 15 18:16:16 2018 (r329329) +++ head/share/man/man9/pmap_qenter.9 Thu Feb 15 18:19:25 2018 (r329330) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd February 14, 2018 +.Dd February 15, 2018 .Dt PMAP_QENTER 9 .Os .Sh NAME @@ -50,7 +50,8 @@ pointers to wired pages and enters each of these pages into the kernel virtual address (KVA) space, beginning at the address .Fa sva . -The pages are mapped non-executable. +The pages are mapped non-executable, if possible. +(For example, non-PAE i386 has no capability to map pages non-executable.) .Pp The .Fn pmap_qremove
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