Date: Fri, 13 Nov 2015 09:00:39 +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: r290744 - head/sys/compat/linuxkpi/common/src Message-ID: <201511130900.tAD90dlW000685@repo.freebsd.org>
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Author: hselasky Date: Fri Nov 13 09:00:39 2015 New Revision: 290744 URL: https://svnweb.freebsd.org/changeset/base/290744 Log: Add assert and note about the size of "unsigned long" inside the LinuxKPI for the future. Sponsored by: Mellanox Technologies Modified: head/sys/compat/linuxkpi/common/src/linux_compat.c Modified: head/sys/compat/linuxkpi/common/src/linux_compat.c ============================================================================== --- head/sys/compat/linuxkpi/common/src/linux_compat.c Fri Nov 13 06:20:27 2015 (r290743) +++ head/sys/compat/linuxkpi/common/src/linux_compat.c Fri Nov 13 09:00:39 2015 (r290744) @@ -950,3 +950,11 @@ linux_compat_uninit(void *arg) kobject_kfree_name(&miscclass.kobj); } SYSUNINIT(linux_compat, SI_SUB_DRIVERS, SI_ORDER_SECOND, linux_compat_uninit, NULL); + +/* + * NOTE: Linux frequently uses "unsigned long" for pointer to integer + * conversion and vice versa, where in FreeBSD "uintptr_t" would be + * used. Assert these types have the same size, else some parts of the + * LinuxKPI may not work like expected: + */ +CTASSERT(sizeof(unsigned long) == sizeof(uintptr_t));
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