Date: Fri, 14 Dec 2018 21:03:01 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342098 - head/sys/riscv/riscv Message-ID: <201812142103.wBEL31f3003082@repo.freebsd.org>
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Author: markj Date: Fri Dec 14 21:03:01 2018 New Revision: 342098 URL: https://svnweb.freebsd.org/changeset/base/342098 Log: Assume that pmap_l1() will return a PTE. pmaps on RISC-V always have an L1 page table page, so we don't need to check for this when performing lookups. Reviewed by: jhb MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D18563 Modified: head/sys/riscv/riscv/pmap.c Modified: head/sys/riscv/riscv/pmap.c ============================================================================== --- head/sys/riscv/riscv/pmap.c Fri Dec 14 21:00:41 2018 (r342097) +++ head/sys/riscv/riscv/pmap.c Fri Dec 14 21:03:01 2018 (r342098) @@ -316,8 +316,6 @@ pmap_l2(pmap_t pmap, vm_offset_t va) pd_entry_t *l1; l1 = pmap_l1(pmap, va); - if (l1 == NULL) - return (NULL); if ((pmap_load(l1) & PTE_V) == 0) return (NULL); if ((pmap_load(l1) & PTE_RX) != 0)
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