On Wed, Sep 20, 2023 at 10:47:53AM +0300, Leon Romanovsky wrote: > > >> About this problem, I think we discussed it previously in RDMA maillist. > > >> > > >> And at that time, IIRC, you shared a link with me. The link is as below. > > >> > > >> https://www.ex-parrot.com/~chris/random/initialise.html > > >> > > >> From what we discussed and the above link, I think it is not initialized > > >> fully. > > > > > > I remember that discussion and it was about slightly different thing: > > > {} vs {0} in Linux kernel. > > > > > > Well, in my mind, I thought they are the same. see: https://www.gnu.org/software/gnu-c-manual/gnu-c-manual.html#Initializing-Structure-Members > > It is GCC specific implementation, the original discussion was about C-standard. Yes, the C standard says they are different constructs and pedantically only {} is required to fully zero the struct, padding and all. {0} says 'zero initialize the first member of the struct', it is a terrible construct because the first member may not be an integer, don't use it. Jason
