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CVS commit: [netbsd-6-1] src/sys/arch/mips



Module Name:    src
Committed By:   snj
Date:           Wed Nov  8 21:22:58 UTC 2017

Modified Files:
        src/sys/arch/mips/include [netbsd-6-1]: pmap.h
        src/sys/arch/mips/mips [netbsd-6-1]: pmap.c pmap_segtab.c

Log Message:
Pull up following revision(s) (requested by skrll in ticket #1068):
        sys/arch/mips/include/pmap.h: revision 1.63
        sys/arch/mips/mips/pmap.c: revision 1.214
        sys/arch/mips/mips/pmap_segtab.c: revision 1.8
Deal with incompatible cache aliases. Specifically,
- always flush an ephemeral page on unmap
- track unmanaged mappings (mappings entered via pmap_kenter_pa) for
    aliases where required and handle appropriately (via pmap_enter_pv)
Hopefully this (finally) addresses the instability reported in the
following PRs:
PR/44900 - R5000/Rm5200 mips ports are broken
PR/46890 - upcoming NetBSD 6.0 release is very unstable / unusable on cobalt qube 2
PR/48628 - cobalt and hpcmips ports are dead


To generate a diff of this commit:
cvs rdiff -u -r1.61.8.1 -r1.61.8.1.6.1 src/sys/arch/mips/include/pmap.h
cvs rdiff -u -r1.207.2.1.6.1 -r1.207.2.1.6.2 src/sys/arch/mips/mips/pmap.c
cvs rdiff -u -r1.4.2.1 -r1.4.2.1.6.1 src/sys/arch/mips/mips/pmap_segtab.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.




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