From owner-svn-src-head@freebsd.org Sun Feb 10 19:01:06 2019 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B93EA14D6B12; Sun, 10 Feb 2019 19:01:06 +0000 (UTC) (envelope-from kib@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 5C3A98BE8B; Sun, 10 Feb 2019 19:01:06 +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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 497861C9D9; Sun, 10 Feb 2019 19:01:06 +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 x1AJ16AE079911; Sun, 10 Feb 2019 19:01:06 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x1AJ16rg079910; Sun, 10 Feb 2019 19:01:06 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201902101901.x1AJ16rg079910@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sun, 10 Feb 2019 19:01:06 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r343966 - head/sys/vm X-SVN-Group: head X-SVN-Commit-Author: kib X-SVN-Commit-Paths: head/sys/vm X-SVN-Commit-Revision: 343966 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 5C3A98BE8B X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.996,0]; NEURAL_HAM_SHORT(-0.97)[-0.967,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 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: Sun, 10 Feb 2019 19:01:07 -0000 Author: kib Date: Sun Feb 10 19:01:05 2019 New Revision: 343966 URL: https://svnweb.freebsd.org/changeset/base/343966 Log: struct xswdev on amd64 requires compat32 shims after ino64. i386 is the only architecture where uint64_t does not specify 8-bytes alignment, which makes struct xswdev layout not compatible between 64bit and i386. Reported and tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Modified: head/sys/vm/swap_pager.c Modified: head/sys/vm/swap_pager.c ============================================================================== --- head/sys/vm/swap_pager.c Sun Feb 10 18:28:37 2019 (r343965) +++ head/sys/vm/swap_pager.c Sun Feb 10 19:01:05 2019 (r343966) @@ -2478,10 +2478,23 @@ struct xswdev11 { }; #endif +#if defined(__amd64__) && defined(COMPAT_FREEBSD32) +struct xswdev32 { + u_int xsw_version; + u_int xsw_dev1, xsw_dev2; + int xsw_flags; + int xsw_nblks; + int xsw_used; +}; +#endif + static int sysctl_vm_swap_info(SYSCTL_HANDLER_ARGS) { struct xswdev xs; +#if defined(__amd64__) && defined(COMPAT_FREEBSD32) + struct xswdev32 xs32; +#endif #if defined(COMPAT_FREEBSD11) struct xswdev11 xs11; #endif @@ -2492,6 +2505,18 @@ sysctl_vm_swap_info(SYSCTL_HANDLER_ARGS) error = swap_dev_info(*(int *)arg1, &xs, NULL, 0); if (error != 0) return (error); +#if defined(__amd64__) && defined(COMPAT_FREEBSD32) + if (req->oldlen == sizeof(xs32)) { + xs32.xsw_version = XSWDEV_VERSION; + xs32.xsw_dev1 = xs.xsw_dev; + xs32.xsw_dev2 = xs.xsw_dev >> 32; + xs32.xsw_flags = xs.xsw_flags; + xs32.xsw_nblks = xs.xsw_nblks; + xs32.xsw_used = xs.xsw_used; + error = SYSCTL_OUT(req, &xs32, sizeof(xs32)); + return (error); + } +#endif #if defined(COMPAT_FREEBSD11) if (req->oldlen == sizeof(xs11)) { xs11.xsw_version = XSWDEV_VERSION_11; @@ -2500,9 +2525,10 @@ sysctl_vm_swap_info(SYSCTL_HANDLER_ARGS) xs11.xsw_nblks = xs.xsw_nblks; xs11.xsw_used = xs.xsw_used; error = SYSCTL_OUT(req, &xs11, sizeof(xs11)); - } else + return (error); + } #endif - error = SYSCTL_OUT(req, &xs, sizeof(xs)); + error = SYSCTL_OUT(req, &xs, sizeof(xs)); return (error); }