Date: Thu, 3 Aug 2006 20:40:14 GMT From: John Birrell <jb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 103134 for review Message-ID: <200608032040.k73KeEVW068695@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=103134 Change 103134 by jb@jb_freebsd2 on 2006/08/03 20:39:43 Catch up with the VM changes in -current. We probably should merge sun4v into current so that we don't have to chase things like this. Affected files ... .. //depot/projects/dtrace/src/sys/sun4v/sun4v/pmap.c#11 edit Differences ... ==== //depot/projects/dtrace/src/sys/sun4v/sun4v/pmap.c#11 (text+ko) ==== @@ -1528,22 +1528,12 @@ m->md.pv_list_count = 0; } -/* - * Lower the permission for all mappings to a given page. - */ void -pmap_page_protect(vm_page_t m, vm_prot_t prot) +pmap_remove_write(vm_page_t m) { - - DPRINTF("pmap_page_protect(0x%lx, %d)\n", VM_PAGE_TO_PHYS(m), prot); + DPRINTF("pmap_remove_write(0x%lx)\n", VM_PAGE_TO_PHYS(m)); - if ((prot & VM_PROT_WRITE) == 0) { - if (prot & (VM_PROT_READ | VM_PROT_EXECUTE)) { - tte_clear_phys_bit(m, VTD_SW_W); - } else { - pmap_remove_all(m); - } - } + tte_clear_phys_bit(m, VTD_SW_W); } /*
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