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. > } __attribute__((packed)) ReadInfo; > > typedef struct ReadCpuInfo { > -- Thanks, David / dhildenb