Date: Sun, 17 Sep 2017 15:40:12 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r323676 - head/sys/powerpc/aim Message-ID: <201709171540.v8HFeCJd017783@repo.freebsd.org>
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Author: markj Date: Sun Sep 17 15:40:12 2017 New Revision: 323676 URL: https://svnweb.freebsd.org/changeset/base/323676 Log: Implement mmu_page_init for AIM platforms. As of r323290 we cannot rely on the vm_page array being zero-initialized. Reported and tested by: andreast MFC after: 1 week Modified: head/sys/powerpc/aim/mmu_oea.c head/sys/powerpc/aim/mmu_oea64.c Modified: head/sys/powerpc/aim/mmu_oea.c ============================================================================== --- head/sys/powerpc/aim/mmu_oea.c Sun Sep 17 14:03:54 2017 (r323675) +++ head/sys/powerpc/aim/mmu_oea.c Sun Sep 17 15:40:12 2017 (r323676) @@ -287,6 +287,7 @@ boolean_t moea_is_referenced(mmu_t, vm_page_t); int moea_ts_referenced(mmu_t, vm_page_t); vm_offset_t moea_map(mmu_t, vm_offset_t *, vm_paddr_t, vm_paddr_t, int); boolean_t moea_page_exists_quick(mmu_t, pmap_t, vm_page_t); +void moea_page_init(mmu_t, vm_page_t); int moea_page_wired_mappings(mmu_t, vm_page_t); void moea_pinit(mmu_t, pmap_t); void moea_pinit0(mmu_t, pmap_t); @@ -334,6 +335,7 @@ static mmu_method_t moea_methods[] = { MMUMETHOD(mmu_ts_referenced, moea_ts_referenced), MMUMETHOD(mmu_map, moea_map), MMUMETHOD(mmu_page_exists_quick,moea_page_exists_quick), + MMUMETHOD(mmu_page_init, moea_page_init), MMUMETHOD(mmu_page_wired_mappings,moea_page_wired_mappings), MMUMETHOD(mmu_pinit, moea_pinit), MMUMETHOD(mmu_pinit0, moea_pinit0), @@ -1592,6 +1594,15 @@ moea_page_exists_quick(mmu_t mmu, pmap_t pmap, vm_page } rw_wunlock(&pvh_global_lock); return (rv); +} + +void +moea_page_init(mmu_t mmu __unused, vm_page_t m) +{ + + m->md.mdpg_attrs = 0; + m->md.mdpg_cache_attrs = VM_MEMATTR_DEFAULT; + LIST_INIT(&m->md.mdpg_pvoh); } /* Modified: head/sys/powerpc/aim/mmu_oea64.c ============================================================================== --- head/sys/powerpc/aim/mmu_oea64.c Sun Sep 17 14:03:54 2017 (r323675) +++ head/sys/powerpc/aim/mmu_oea64.c Sun Sep 17 15:40:12 2017 (r323676) @@ -251,6 +251,7 @@ boolean_t moea64_is_referenced(mmu_t, vm_page_t); int moea64_ts_referenced(mmu_t, vm_page_t); vm_offset_t moea64_map(mmu_t, vm_offset_t *, vm_paddr_t, vm_paddr_t, int); boolean_t moea64_page_exists_quick(mmu_t, pmap_t, vm_page_t); +void moea64_page_init(mmu_t, vm_page_t); int moea64_page_wired_mappings(mmu_t, vm_page_t); void moea64_pinit(mmu_t, pmap_t); void moea64_pinit0(mmu_t, pmap_t); @@ -298,6 +299,7 @@ static mmu_method_t moea64_methods[] = { MMUMETHOD(mmu_ts_referenced, moea64_ts_referenced), MMUMETHOD(mmu_map, moea64_map), MMUMETHOD(mmu_page_exists_quick,moea64_page_exists_quick), + MMUMETHOD(mmu_page_init, moea64_page_init), MMUMETHOD(mmu_page_wired_mappings,moea64_page_wired_mappings), MMUMETHOD(mmu_pinit, moea64_pinit), MMUMETHOD(mmu_pinit0, moea64_pinit0), @@ -1896,6 +1898,15 @@ moea64_page_exists_quick(mmu_t mmu, pmap_t pmap, vm_pa } PV_PAGE_UNLOCK(m); return (rv); +} + +void +moea64_page_init(mmu_t mmu __unused, vm_page_t m) +{ + + m->md.mdpg_attrs = 0; + m->md.mdpg_cache_attrs = VM_MEMATTR_DEFAULT; + LIST_INIT(&m->md.mdpg_pvoh); } /*
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