From owner-svn-src-head@freebsd.org Tue Oct 6 13:02:20 2020 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id CC225432B97; Tue, 6 Oct 2020 13:02:20 +0000 (UTC) (envelope-from jrtc27@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4C5HgJ56ssz4Sjr; Tue, 6 Oct 2020 13:02:20 +0000 (UTC) (envelope-from jrtc27@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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 946D82738C; Tue, 6 Oct 2020 13:02:20 +0000 (UTC) (envelope-from jrtc27@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 096D2KI0093533; Tue, 6 Oct 2020 13:02:20 GMT (envelope-from jrtc27@FreeBSD.org) Received: (from jrtc27@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 096D2KJE093532; Tue, 6 Oct 2020 13:02:20 GMT (envelope-from jrtc27@FreeBSD.org) Message-Id: <202010061302.096D2KJE093532@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jrtc27 set sender to jrtc27@FreeBSD.org using -f From: Jessica Clarke Date: Tue, 6 Oct 2020 13:02:20 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r366486 - head/sys/riscv/riscv X-SVN-Group: head X-SVN-Commit-Author: jrtc27 X-SVN-Commit-Paths: head/sys/riscv/riscv X-SVN-Commit-Revision: 366486 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Oct 2020 13:02:20 -0000 Author: jrtc27 Date: Tue Oct 6 13:02:20 2020 New Revision: 366486 URL: https://svnweb.freebsd.org/changeset/base/366486 Log: riscv: Handle supervisor instruction page faults We should never take instruction page faults when in the kernel, but by using the standard page fault code we should get a more-informative message about faulting on a NOFAULT page rather than branching to the default case here and printing an "Unknown kernel exception ..." message. Reviewed by: jhb (mentor), markj Approved by: jhb (mentor), markj Differential Revision: https://reviews.freebsd.org/D26685 Modified: head/sys/riscv/riscv/trap.c Modified: head/sys/riscv/riscv/trap.c ============================================================================== --- head/sys/riscv/riscv/trap.c Tue Oct 6 12:57:54 2020 (r366485) +++ head/sys/riscv/riscv/trap.c Tue Oct 6 13:02:20 2020 (r366486) @@ -290,6 +290,7 @@ do_trap_supervisor(struct trapframe *frame) break; case EXCP_STORE_PAGE_FAULT: case EXCP_LOAD_PAGE_FAULT: + case EXCP_INST_PAGE_FAULT: page_fault_handler(frame, 0); break; case EXCP_BREAKPOINT: