Date: Mon, 19 Oct 2015 10:56:32 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r289565 - head/sys/ofed/include/linux Message-ID: <201510191056.t9JAuWhF052021@repo.freebsd.org>
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Author: hselasky Date: Mon Oct 19 10:56:32 2015 New Revision: 289565 URL: https://svnweb.freebsd.org/changeset/base/289565 Log: Merge LinuxKPI changes from DragonflyBSD: - Implement pagefault_disable() and pagefault_enable(). Sponsored by: Mellanox Technologies Modified: head/sys/ofed/include/linux/uaccess.h Modified: head/sys/ofed/include/linux/uaccess.h ============================================================================== --- head/sys/ofed/include/linux/uaccess.h Mon Oct 19 10:54:24 2015 (r289564) +++ head/sys/ofed/include/linux/uaccess.h Mon Oct 19 10:56:32 2015 (r289565) @@ -2,7 +2,8 @@ * Copyright (c) 2010 Isilon Systems, Inc. * Copyright (c) 2010 iX Systems, Inc. * Copyright (c) 2010 Panasas, Inc. - * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. + * Copyright (c) 2013-2015 Mellanox Technologies, Ltd. + * Copyright (c) 2015 François Tigeot * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -32,4 +33,14 @@ #define get_user(_x, _p) -copyin((_p), &(_x), sizeof(*(_p))) #define put_user(_x, _p) -copyout(&(_x), (_p), sizeof(*(_p))) +static inline void pagefault_disable(void) +{ + curthread_pflags_set(TDP_NOFAULTING | TDP_RESETSPUR); +} + +static inline void pagefault_enable(void) +{ + curthread_pflags_restore(~(TDP_NOFAULTING | TDP_RESETSPUR)); +} + #endif /* _LINUX_UACCESS_H_ */
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