On 17/08/16 15:33, Wei Liu wrote: > The semantics of alloca(3) is not very nice. If the stack overflows, > program behaviour is undefined. > > Remove the use of alloca(3) and always use mmap.
This is only using alloca() if the allocation is < PAGE_SIZE. I think assuming there's this much extra stack is fine. Using alloca() avoids the (expensive) mmap() system call. David _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
