On Wed, Oct 2, 2024 at 8:39 PM Stephen Hemminger <step...@networkplumber.org> wrote: > > Recent versions of GCC have some additional function attributes that can > help with DPDK performance and stability. > > The alloc_align attribute tells the compiler what the alignment > of the allocation will be, and the optimizer can use this to produce > better code (especially memcpy and structure copies). > > The malloc attribute tells compiler that object is not overlapping > and potentially aliasing. It also as an additional variant in GCC 11 > or later that allows for detecting all sorts of common errors like > calling free() on memory allocated with rte_malloc(). > > In order to use the malloc attribute the free function prototype > needs to be moved before the allocator/create function prototype > so that the malloc attribute can refer to it. > > This uncovered at least 16 pre-existing bugs in DPDK, these > should go to stable. This patch set is structured with: > - fix any new warnings that were discovered > - add macros for enable the macros > - enable the attributes
It seems v7 lost the last patch that was introducing and using the annotations in rte_malloc. Was there an issue with this patch, or is it just a series submission issue? -- David Marchand
