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PR/51288 CVS commit: [netbsd-6] src/sys/arch/mips/mips

The following reply was made to PR port-mips/51288; it has been noted by GNATS.

From: "Manuel Bouyer" <>
Subject: PR/51288 CVS commit: [netbsd-6] src/sys/arch/mips/mips
Date: Sat, 27 Aug 2016 14:34:55 +0000

 Module Name:	src
 Committed By:	bouyer
 Date:		Sat Aug 27 14:34:55 UTC 2016
 Modified Files:
 	src/sys/arch/mips/mips [netbsd-6]: pmap.c
 Log Message:
 Pull up following revision(s) (requested by skrll in ticket #1390):
 	sys/arch/mips/mips/pmap.c: revision 1.221
 	sys/arch/mips/mips/pmap.c: revision 1.222
 	sys/arch/mips/mips/pmap.c: revision 1.223
 Fix a bug introduced by me in 1.214 where unmanaged mappings would be
 affected by calls to pmap_page_protect which is wrong.  Now PV_KENTER
 mappings are left intact.
 Thanks to chuq for spotting my mistake and reviewing this diff.
 Thanks to everyone who tested it as well.
 Fix PR/51288 reproducable panic on evbmips64-eb (erlite)
 pmap_page_remove from the previous change neglected to terminate the pv
 list correctly when it started with an initial unmanaged mapping and
 subsequent managed mappings.  Fix this.
 Fix MIPS3_NO_PV_UNCACHED alias handling by looping through the pv_list
 looking for bad aliases and removing the bad entries.  That is, revert
 to the code before the matt-mips64 merge.
 Additionally, fix the pmap_update call to not use the (recently
   removed/freed) pv for the pmap_t.
 Fixes the following two PRs
 PR/49903: Panic during installation on WorkPad Z50 (hpcmips) whilst uncompressing base.tgz
 PR/51226: Install bug for hpcmips NetBSD V7 using FTP Full installation
 To generate a diff of this commit:
 cvs rdiff -u -r1.207.2.3 -r1.207.2.4 src/sys/arch/mips/mips/pmap.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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