Date: Mon, 6 Sep 2010 13:47:11 +0000 (UTC) From: Nathan Whitehorn <nwhitehorn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r212257 - in user/nwhitehorn/ps3/powerpc: aim ps3 Message-ID: <201009061347.o86DlBZB050943@svn.freebsd.org>
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Author: nwhitehorn Date: Mon Sep 6 13:47:11 2010 New Revision: 212257 URL: http://svn.freebsd.org/changeset/base/212257 Log: Add some seatbelts to mmu_ps3 and fiddle the SLB allocator some more following advice from alc. PS3 still hangs in low-memory situations. Modified: user/nwhitehorn/ps3/powerpc/aim/slb.c user/nwhitehorn/ps3/powerpc/ps3/mmu_ps3.c Modified: user/nwhitehorn/ps3/powerpc/aim/slb.c ============================================================================== --- user/nwhitehorn/ps3/powerpc/aim/slb.c Mon Sep 6 13:17:01 2010 (r212256) +++ user/nwhitehorn/ps3/powerpc/aim/slb.c Mon Sep 6 13:47:11 2010 (r212257) @@ -316,22 +316,10 @@ slb_uma_cache_alloc(uma_zone_t zone, int if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0) bzero(va, PAGE_SIZE); - return (va); -} - -static void -slb_uma_cache_free(void *mem, int size, u_int8_t flags) -{ - vm_page_t m; + /* vm_phys_alloc_contig does not track wiring */ + m->wire_count = 1; - if (!hw_direct_map) - pmap_remove(kernel_pmap,(vm_offset_t)mem, - (vm_offset_t)mem + PAGE_SIZE); - - m = PHYS_TO_VM_PAGE((vm_offset_t)mem); - vm_page_lock_queues(); - vm_phys_free_pages(m, 0); - vm_page_unlock_queues(); + return (va); } static void @@ -343,10 +331,8 @@ slb_zone_init(void *dummy) slb_cache_zone = uma_zcreate("SLB cache", 64*sizeof(struct slb), NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM); - if (platform_real_maxaddr() != VM_MAX_ADDRESS) { + if (platform_real_maxaddr() != VM_MAX_ADDRESS) uma_zone_set_allocf(slb_cache_zone, slb_uma_cache_alloc); - uma_zone_set_freef(slb_cache_zone, slb_uma_cache_free); - } } struct slb * Modified: user/nwhitehorn/ps3/powerpc/ps3/mmu_ps3.c ============================================================================== --- user/nwhitehorn/ps3/powerpc/ps3/mmu_ps3.c Mon Sep 6 13:17:01 2010 (r212256) +++ user/nwhitehorn/ps3/powerpc/ps3/mmu_ps3.c Mon Sep 6 13:47:11 2010 (r212257) @@ -259,6 +259,7 @@ mps3_pte_insert(u_int ptegidx, struct lp pvo_pt->pte_hi |= LPTE_VALID; pvo_pt->pte_hi &= ~LPTE_HID; evicted.pte_hi = 0; + PTESYNC(); result = lv1_insert_htab_entry(mps3_vas_id, ptegidx << 3, pvo_pt->pte_hi, pvo_pt->pte_lo, LPTE_LOCKED | LPTE_WIRED, 0, &index, &evicted.pte_hi, &evicted.pte_lo); @@ -290,6 +291,9 @@ mps3_pte_insert(u_int ptegidx, struct lp if (evicted.pte_hi & LPTE_HID) ptegidx ^= moea64_pteg_mask; /* PTEs indexed by primary */ + KASSERT((evicted.pte_hi & (LPTE_WIRED | LPTE_LOCKED)) == 0, + ("Evicted a wired PTE")); + result = 0; LIST_FOREACH(pvo, &moea64_pvo_table[ptegidx], pvo_olink) { if (!PVO_PTEGIDX_ISSET(pvo))
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