On 3/24/15 3:15 PM, Arnaldo Carvalho de Melo wrote:
/me scratches head, should be missing something embarassingly simple :-/
ptr = sample->raw_data + field->offset;
raw_data is *guaranteed* to be misaligned. From kernel/events/core.c:
struct {
u32 size;
u32 data;
} raw = {
.size = sizeof(u32),
.data = 0,
};
Raw data starts at 64-bit alignment, but that u32 means data is NOT
8-byte aligned. :-(
David
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