From owner-svn-src-stable@freebsd.org Tue Dec 12 11:09:47 2017 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5D8F8E945F6; Tue, 12 Dec 2017 11:09:47 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 2A7337680B; Tue, 12 Dec 2017 11:09:47 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id vBCB9k1B009759; Tue, 12 Dec 2017 11:09:46 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id vBCB9k6P009758; Tue, 12 Dec 2017 11:09:46 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201712121109.vBCB9k6P009758@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Tue, 12 Dec 2017 11:09:46 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r326793 - stable/11/sys/amd64/amd64 X-SVN-Group: stable-11 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: stable/11/sys/amd64/amd64 X-SVN-Commit-Revision: 326793 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Dec 2017 11:09:47 -0000 Author: kib Date: Tue Dec 12 11:09:46 2017 New Revision: 326793 URL: https://svnweb.freebsd.org/changeset/base/326793 Log: MFC r326311: Fix index calculation for the page table pages for efirt 1:1 map. Modified: stable/11/sys/amd64/amd64/efirt.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/amd64/amd64/efirt.c ============================================================================== --- stable/11/sys/amd64/amd64/efirt.c Tue Dec 12 09:46:53 2017 (r326792) +++ stable/11/sys/amd64/amd64/efirt.c Tue Dec 12 11:09:46 2017 (r326793) @@ -104,6 +104,7 @@ static struct mtx efi_lock; static pml4_entry_t *efi_pml4; static vm_object_t obj_1t1_pt; static vm_page_t efi_pml4_page; +static vm_pindex_t efi_1t1_idx; static void efi_destroy_1t1_map(void) @@ -126,10 +127,10 @@ efi_destroy_1t1_map(void) } static vm_page_t -efi_1t1_page(vm_pindex_t idx) +efi_1t1_page(void) { - return (vm_page_grab(obj_1t1_pt, idx, VM_ALLOC_NOBUSY | + return (vm_page_grab(obj_1t1_pt, efi_1t1_idx++, VM_ALLOC_NOBUSY | VM_ALLOC_WIRED | VM_ALLOC_ZERO)); } @@ -147,7 +148,7 @@ efi_1t1_pte(vm_offset_t va) pml4_idx = pmap_pml4e_index(va); pml4e = &efi_pml4[pml4_idx]; if (*pml4e == 0) { - m = efi_1t1_page(1 + pml4_idx); + m = efi_1t1_page(); mphys = VM_PAGE_TO_PHYS(m); *pml4e = mphys | X86_PG_RW | X86_PG_V; } else { @@ -158,7 +159,7 @@ efi_1t1_pte(vm_offset_t va) pdp_idx = pmap_pdpe_index(va); pdpe += pdp_idx; if (*pdpe == 0) { - m = efi_1t1_page(1 + NPML4EPG + (pml4_idx + 1) * (pdp_idx + 1)); + m = efi_1t1_page(); mphys = VM_PAGE_TO_PHYS(m); *pdpe = mphys | X86_PG_RW | X86_PG_V; } else { @@ -169,8 +170,7 @@ efi_1t1_pte(vm_offset_t va) pd_idx = pmap_pde_index(va); pde += pd_idx; if (*pde == 0) { - m = efi_1t1_page(1 + NPML4EPG + NPML4EPG * NPDPEPG + - (pml4_idx + 1) * (pdp_idx + 1) * (pd_idx + 1)); + m = efi_1t1_page(); mphys = VM_PAGE_TO_PHYS(m); *pde = mphys | X86_PG_RW | X86_PG_V; } else { @@ -196,8 +196,9 @@ efi_create_1t1_map(struct efi_md *map, int ndesc, int obj_1t1_pt = vm_pager_allocate(OBJT_PHYS, NULL, ptoa(1 + NPML4EPG + NPML4EPG * NPDPEPG + NPML4EPG * NPDPEPG * NPDEPG), VM_PROT_ALL, 0, NULL); + efi_1t1_idx = 0; VM_OBJECT_WLOCK(obj_1t1_pt); - efi_pml4_page = efi_1t1_page(0); + efi_pml4_page = efi_1t1_page(); VM_OBJECT_WUNLOCK(obj_1t1_pt); efi_pml4 = (pml4_entry_t *)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(efi_pml4_page)); pmap_pinit_pml4(efi_pml4_page);