#ifndef __ASM_GENERIC_IPCBUF_H #define __ASM_GENERIC_IPCBUF_H /* * The generic ipc64_perm structure: * Note extra padding because this structure is passed back and forth * between kernel and user space. * * ipc64_perm was originally meant to be architecture specific, but * everyone just ended up making identical copies without specific * optimizations, so we may just as well all use the same one. * * Pad space is left for: * - 32-bit mode_t on architectures that only had 16 bit * - 32-bit seq * - 2 miscellaneous 32-bit values */ struct ipc64_perm { __kernel_key_t key; __kernel_uid32_t uid; __kernel_gid32_t gid; __kernel_uid32_t cuid; __kernel_gid32_t cgid; __kernel_mode_t mode; /* pad if mode_t is u16: */ unsigned char __pad1[4 - sizeof(__kernel_mode_t)]; unsigned short seq; unsigned short __pad2; __kernel_ulong_t __unused1; __kernel_ulong_t __unused2; }; #endif /* __ASM_GENERIC_IPCBUF_H */ df50ec8'/> net-next plumbingsTobias Klauser
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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-12-09 19:53:05 +0100
committerJonathan Corbet <corbet@lwn.net>2016-12-11 13:37:55 -0700
commit868c97a846a73e937d835b09b8c885a69df50ec8 (patch)
tree9cdc05e799d117ac71b29d0958ee3dc65b8d539d /Documentation/sysrq.txt
parent9e22ff439fa2e1201b168c001683f275afd46258 (diff)
dma-buf: Extract dma-buf.rst
Just prep work to polish and consolidate all the dma-buf related documenation. Unfortunately I didn't discover a way to both integrate this new file into the overall toc while keeping it at the current place. Work around that by moving it into the overall driver-api/index.rst. Cc: linux-doc@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Cc: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/sysrq.txt')