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PR/51288 CVS commit: [netbsd-7] src/sys/arch/mips/mips
The following reply was made to PR port-mips/51288; it has been noted by GNATS.
From: "Martin Husemann" <martin%netbsd.org@localhost>
Subject: PR/51288 CVS commit: [netbsd-7] src/sys/arch/mips/mips
Date: Sun, 10 Jul 2016 10:33:42 +0000
Module Name: src
Committed By: martin
Date: Sun Jul 10 10:33:42 UTC 2016
src/sys/arch/mips/mips [netbsd-7]: pmap.c
Pull up following revision(s) (requested by skrll in ticket #1200):
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 -r1.214 -r18.104.22.168 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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