From owner-svn-src-all@freebsd.org Tue Sep 3 14:08:20 2019 Return-Path: Delivered-To: svn-src-all@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 5FB77DDAE9; Tue, 3 Sep 2019 14:07:26 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46N80Y5cvNz4QbZ; Tue, 3 Sep 2019 14:07:25 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 1452) id 405781B612; Tue, 3 Sep 2019 14:06:39 +0000 (UTC) X-Original-To: yuripv@localmail.freebsd.org Delivered-To: yuripv@localmail.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [96.47.72.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mx1.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by freefall.freebsd.org (Postfix) with ESMTPS id D3DA7FC15; Wed, 24 Apr 2019 02:52:02 +0000 (UTC) (envelope-from owner-src-committers@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 2F2446F1BF; Wed, 24 Apr 2019 02:52:02 +0000 (UTC) (envelope-from owner-src-committers@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 538) id 0CBC7FBF3; Wed, 24 Apr 2019 02:52:02 +0000 (UTC) Delivered-To: src-committers@localmail.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mx1.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by freefall.freebsd.org (Postfix) with ESMTPS id 1D7D9FBF0 for ; Wed, 24 Apr 2019 02:51:59 +0000 (UTC) (envelope-from jhibbits@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) server-signature RSA-PSS (4096 bits) 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 DE3406F1B4; Wed, 24 Apr 2019 02:51:58 +0000 (UTC) (envelope-from jhibbits@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 A9F225FDE; Wed, 24 Apr 2019 02:51:58 +0000 (UTC) (envelope-from jhibbits@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x3O2pwvn008363; Wed, 24 Apr 2019 02:51:58 GMT (envelope-from jhibbits@FreeBSD.org) Received: (from jhibbits@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x3O2pwd0008362; Wed, 24 Apr 2019 02:51:58 GMT (envelope-from jhibbits@FreeBSD.org) Message-Id: <201904240251.x3O2pwd0008362@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhibbits set sender to jhibbits@FreeBSD.org using -f From: Justin Hibbits To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r346619 - head/sys/powerpc/aim X-SVN-Group: head X-SVN-Commit-Author: jhibbits X-SVN-Commit-Paths: head/sys/powerpc/aim X-SVN-Commit-Revision: 346619 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk X-Loop: FreeBSD.org Sender: owner-src-committers@freebsd.org X-Rspamd-Queue-Id: 2F2446F1BF X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.94 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.94)[-0.936,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] Status: O X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Tue, 03 Sep 2019 14:08:21 -0000 X-Original-Date: Wed, 24 Apr 2019 02:51:58 +0000 (UTC) X-List-Received-Date: Tue, 03 Sep 2019 14:08:21 -0000 Author: jhibbits Date: Wed Apr 24 02:51:58 2019 New Revision: 346619 URL: https://svnweb.freebsd.org/changeset/base/346619 Log: powerpc: Add a couple missing isyncs mtmsr and mtsr require context synchronizing instructions to follow. Without a CSI, there's a chance for a machine check exception. This reportedly does occur on a MPC750 (PowerMac G3). Reported by: Mark Millard Modified: head/sys/powerpc/aim/trap_subr32.S Modified: head/sys/powerpc/aim/trap_subr32.S ============================================================================== --- head/sys/powerpc/aim/trap_subr32.S Wed Apr 24 01:11:50 2019 (r346618) +++ head/sys/powerpc/aim/trap_subr32.S Wed Apr 24 02:51:58 2019 (r346619) @@ -68,7 +68,7 @@ lwzu sr,PM_SR(pmap); \ RESTORE_SRS(pmap,sr) \ /* Restore SR 12 */ \ - lwz sr,12*4(pmap); mtsr 12,sr + lwz sr,12*4(pmap); mtsr 12,sr; isync /* * Kernel SRs are loaded directly from kernel_pmap_ @@ -799,6 +799,7 @@ CNAME(trapexit): mfmsr %r3 andi. %r3,%r3,~PSL_EE@l mtmsr %r3 + isync /* Test AST pending: */ lwz %r5,FRAME_SRR1+8(%r1) mtcr %r5