y2038: powerpc: Extend sysvipc data structures
powerpc, uses a nonstandard variation of the generic sysvipc data structures, intended to have the padding moved around so it can deal with big-endian 32-bit user space that has 64-bit time_t. powerpc has the same definition as parisc and sparc, but now also supports little-endian mode, which is now wrong because the padding is made for big-endian user space. This takes just take the same approach here that we have for the asm-generic headers and adds separate 32-bit fields for the upper halves of the timestamps, to let libc deal with the mess in user space. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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@@ -10,18 +10,18 @@
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struct msqid64_ds {
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struct ipc64_perm msg_perm;
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#ifndef __powerpc64__
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unsigned int __unused1;
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#endif
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#ifdef __powerpc64__
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__kernel_time_t msg_stime; /* last msgsnd time */
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#ifndef __powerpc64__
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unsigned int __unused2;
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#endif
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__kernel_time_t msg_rtime; /* last msgrcv time */
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#ifndef __powerpc64__
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unsigned int __unused3;
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#endif
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__kernel_time_t msg_ctime; /* last change time */
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#else
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unsigned long msg_stime_high;
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unsigned long msg_stime; /* last msgsnd time */
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unsigned long msg_rtime_high;
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unsigned long msg_rtime; /* last msgrcv time */
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unsigned long msg_ctime_high;
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unsigned long msg_ctime; /* last change time */
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#endif
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unsigned long msg_cbytes; /* current number of bytes on queue */
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unsigned long msg_qnum; /* number of messages in queue */
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unsigned long msg_qbytes; /* max number of bytes on queue */
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