Messages in this thread Patch in this message | | | Date | Tue, 5 Feb 2008 22:31:46 +0200 | From | Pekka Paalanen <> | Subject | [PATCH 3/4] x86 mmiotrace: comment about user space ABI |
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Signed-off-by: Pekka Paalanen <pq@iki.fi> --- include/linux/mmiotrace.h | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h index cb24782..6ec288f 100644 --- a/include/linux/mmiotrace.h +++ b/include/linux/mmiotrace.h @@ -3,6 +3,10 @@ #include <asm/types.h> +/* + * If you change anything here, you must bump MMIO_VERSION. + * This is the relay data format for user space. + */ #define MMIO_VERSION 0x04 /* mm_io_header.type */ @@ -23,7 +27,7 @@ enum mm_io_opcode { /* payload type: */ }; struct mm_io_header { - __u32 type; + __u32 type; /* see MMIO_* macros above */ __u32 sec; /* timestamp */ __u32 nsec; __u32 pid; /* PID of the process, or 0 for kernel core */ -- 1.5.3.7
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