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PR/50245 CVS commit: [netbsd-8] src/sys/arch

The following reply was made to PR port-i386/50245; it has been noted by GNATS.

From: "Soren Jacobsen" <>
Subject: PR/50245 CVS commit: [netbsd-8] src/sys/arch
Date: Sat, 9 Sep 2017 17:29:41 +0000

 Module Name:	src
 Committed By:	snj
 Date:		Sat Sep  9 17:29:41 UTC 2017
 Modified Files:
 	src/sys/arch/amd64/conf [netbsd-8]: ALL
 	src/sys/arch/i386/conf [netbsd-8]: ALL
 	src/sys/arch/i386/i386 [netbsd-8]: i386_trap.S locore.S
 	src/sys/arch/x86/x86 [netbsd-8]: sys_machdep.c
 Log Message:
 Pull up following revision(s) (requested by maxv in ticket #258):
 	sys/arch/amd64/conf/ALL: 1.68
 	sys/arch/i386/conf/ALL: 1.428
 	sys/arch/i386/i386/i386_trap.S: 1.12
 	sys/arch/i386/i386/locore.S: 1.149-1.150
 	sys/arch/x86/x86/sys_machdep.c: 1.38
 Remove undocumented hack.
 Switch to the temporary stack right away when booted via multiboot. GRUB
 happens to give a correct stack, but it is not guaranteed by the spec. This
 temporary stack will be reset later, which is fine.
 Fixes PR/50245.
 Pfff, use %ss and not %ds. The latter is controlled by userland, the former
 contains the kernel value (flat); FreeBSD fixed this too a few weeks ago.
 As I said earlier, this dtrace code is complete bullshit.
 Don't allow userland to create 286/386 call gates anymore - they are not
 used by Wine. While here, don't allow it to overwrite the static entries
 either, don't allow unknown entry types, remove LDT_DEBUG, and style.
 To generate a diff of this commit:
 cvs rdiff -u -r1.59 -r1.59.2.1 src/sys/arch/amd64/conf/ALL
 cvs rdiff -u -r1.419.2.1 -r1.419.2.2 src/sys/arch/i386/conf/ALL
 cvs rdiff -u -r1.6.6.1 -r1.6.6.2 src/sys/arch/i386/i386/i386_trap.S
 cvs rdiff -u -r1.145.6.1 -r1.145.6.2 src/sys/arch/i386/i386/locore.S
 cvs rdiff -u -r1.35.6.1 -r1.35.6.2 src/sys/arch/x86/x86/sys_machdep.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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