Date: Thu, 24 Jun 2021 02:32:02 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: d16b938e7343 - stable/13 - amd64 efirt: initialize vm_pages backing EFI runtime memory Message-ID: <202106240232.15O2W2r4073401@gitrepo.freebsd.org>
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The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=d16b938e734363457225ff92cef68301cbad0fce commit d16b938e734363457225ff92cef68301cbad0fce Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-06-16 01:59:06 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-06-24 02:20:41 +0000 amd64 efirt: initialize vm_pages backing EFI runtime memory (cherry picked from commit 0247c33e89adaf0c7159b847ef7bae9566e55395) --- sys/amd64/amd64/efirt_machdep.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/sys/amd64/amd64/efirt_machdep.c b/sys/amd64/amd64/efirt_machdep.c index 1c53caaef601..9f0fb00aa2ef 100644 --- a/sys/amd64/amd64/efirt_machdep.c +++ b/sys/amd64/amd64/efirt_machdep.c @@ -180,6 +180,7 @@ efi_create_1t1_map(struct efi_md *map, int ndesc, int descsz) struct efi_md *p; pt_entry_t *pte; void *pml; + vm_page_t m; vm_offset_t va; uint64_t idx; int bits, i, mode; @@ -247,6 +248,14 @@ efi_create_1t1_map(struct efi_md *map, int ndesc, int descsz) va += PAGE_SIZE) { pte = efi_1t1_pte(va); pte_store(pte, va | bits); + + m = PHYS_TO_VM_PAGE(va); + if (m != NULL && VM_PAGE_TO_PHYS(m) == 0) { + vm_page_init_page(m, va, -1); + m->order = VM_NFREEORDER + 1; /* invalid */ + m->pool = VM_NFREEPOOL + 1; /* invalid */ + pmap_page_set_memattr(m, mode); + } } VM_OBJECT_WUNLOCK(obj_1t1_pt); }
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