Date: Wed, 20 Nov 2019 10:25:50 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r354887 - stable/12/sys/amd64/amd64 Message-ID: <201911201025.xAKAPoxm061887@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: kib Date: Wed Nov 20 10:25:50 2019 New Revision: 354887 URL: https://svnweb.freebsd.org/changeset/base/354887 Log: MFC r354788: amd64 copyout: remove irrelevant comment. Modified: stable/12/sys/amd64/amd64/support.S Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/amd64/amd64/support.S ============================================================================== --- stable/12/sys/amd64/amd64/support.S Wed Nov 20 08:56:01 2019 (r354886) +++ stable/12/sys/amd64/amd64/support.S Wed Nov 20 10:25:50 2019 (r354887) @@ -671,13 +671,7 @@ END(fillw) movq $copy_fault,PCB_ONFAULT(%r11) /* - * Check explicitly for non-user addresses. If 486 write protection - * is being used, this check is essential because we are in kernel - * mode so the h/w does not provide any protection against writing - * kernel addresses. - */ - - /* + * Check explicitly for non-user addresses. * First, prevent address wrapping. */ movq %rsi,%rax
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201911201025.xAKAPoxm061887>