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6f52b16c5b
Many user space API headers are missing licensing information, which makes it hard for compliance tools to determine the correct license. By default are files without license information under the default license of the kernel, which is GPLV2. Marking them GPLV2 would exclude them from being included in non GPLV2 code, which is obviously not intended. The user space API headers fall under the syscall exception which is in the kernels COPYING file: NOTE! This copyright does *not* cover user programs that use kernel services by normal system calls - this is merely considered normal use of the kernel, and does *not* fall under the heading of "derived work". otherwise syscall usage would not be possible. Update the files which contain no license information with an SPDX license identifier. The chosen identifier is 'GPL-2.0 WITH Linux-syscall-note' which is the officially assigned identifier for the Linux syscall exception. SPDX license identifiers are a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. See the previous patch in this series for the methodology of how this patch was researched. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef __ASM_GENERIC_MSGBUF_H
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#define __ASM_GENERIC_MSGBUF_H
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#include <asm/bitsperlong.h>
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/*
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* generic msqid64_ds structure.
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*
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* Note extra padding because this structure is passed back and forth
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* between kernel and user space.
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*
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* msqid64_ds was originally meant to be architecture specific, but
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* everyone just ended up making identical copies without specific
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* optimizations, so we may just as well all use the same one.
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*
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* 64 bit architectures typically define a 64 bit __kernel_time_t,
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* so they do not need the first three padding words.
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* On big-endian systems, the padding is in the wrong place.
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*
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* Pad space is left for:
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* - 64-bit time_t to solve y2038 problem
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* - 2 miscellaneous 32-bit values
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*/
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struct msqid64_ds {
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struct ipc64_perm msg_perm;
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__kernel_time_t msg_stime; /* last msgsnd time */
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#if __BITS_PER_LONG != 64
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unsigned long __unused1;
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#endif
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__kernel_time_t msg_rtime; /* last msgrcv time */
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#if __BITS_PER_LONG != 64
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unsigned long __unused2;
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#endif
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__kernel_time_t msg_ctime; /* last change time */
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#if __BITS_PER_LONG != 64
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unsigned long __unused3;
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#endif
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__kernel_ulong_t msg_cbytes; /* current number of bytes on queue */
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__kernel_ulong_t msg_qnum; /* number of messages in queue */
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__kernel_ulong_t msg_qbytes; /* max number of bytes on queue */
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__kernel_pid_t msg_lspid; /* pid of last msgsnd */
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__kernel_pid_t msg_lrpid; /* last receive pid */
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__kernel_ulong_t __unused4;
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__kernel_ulong_t __unused5;
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};
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#endif /* __ASM_GENERIC_MSGBUF_H */
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