Date: Sat, 1 Jul 2006 00:58:18 GMT From: Kip Macy <kmacy@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 100374 for review Message-ID: <200607010058.k610wI85009102@repoman.freebsd.org>
next in thread | raw e-mail | index | archive | help
http://perforce.freebsd.org/chv.cgi?CH=100374 Change 100374 by kmacy@kmacy_storage:sun4v_work_stable on 2006/07/01 00:57:47 don't use memory ranges less than 4M Affected files ... .. //depot/projects/kmacy_sun4v_stable/src/sys/sun4v/sun4v/pmap.c#4 edit Differences ... ==== //depot/projects/kmacy_sun4v_stable/src/sys/sun4v/sun4v/pmap.c#4 (text+ko) ==== @@ -694,6 +694,12 @@ pa | TTE_KERNEL | VTD_4M, 0); } + for (i = 0; i < 2; i++) { + pa = nucleus_mappings[i]; + tsb_set_tte_real(&kernel_td[TSB4M_INDEX], TLB_PHYS_TO_DIRECT(pa), + pa | TTE_KERNEL | VTD_4M, 0); + + } /* * Get the available physical memory ranges from /memory/reg. These * are only used for kernel dumps, but it may not be wise to do prom @@ -761,6 +767,10 @@ tte_hash_insert(pm->pm_hash, TLB_PHYS_TO_DIRECT(pa), pa | TTE_KERNEL | VTD_4M); #endif + /* XXX relies on the fact that memory ranges only get smaller */ + for (i = 0; phys_avail[i + 2] != 0; i += 2) + if (phys_avail[i + 1] - phys_avail[i] < PAGE_SIZE_4M) + phys_avail[i] = phys_avail[i+1] = 0; }
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200607010058.k610wI85009102>