On 1/13/21 11:25 AM, David Hildenbrand wrote: > On 12.01.21 14:20, Janosch Frank wrote: >> Let's make it clear that there is something at the end of the >> struct. The exact offset is reported by the cpu_offset member. >> >> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> >> --- >> lib/s390x/sclp.h | 5 ++++- >> 1 file changed, 4 insertions(+), 1 deletion(-) >> >> diff --git a/lib/s390x/sclp.h b/lib/s390x/sclp.h >> index dccbaa8..395895f 100644 >> --- a/lib/s390x/sclp.h >> +++ b/lib/s390x/sclp.h >> @@ -134,7 +134,10 @@ typedef struct ReadInfo { >> uint8_t reserved7[134 - 128]; >> uint8_t byte_134_diag318 : 1; >> uint8_t : 7; >> - struct CPUEntry entries[0]; >> + /* >> + * The cpu entries follow, they start at the offset specified >> + * in offset_cpu. >> + */ > > I mean, that's just best practice. At least when I spot "[0];" and the > end of a struct, I know what's happening. > > No strong opinion about the comment, I wouldn't need it to understand it. The comment was a wish by Thomas. Anyway, it doesn't hurt :) > >> } __attribute__((packed)) ReadInfo; >> >> typedef struct ReadCpuInfo { >> > >