Message ID | 20190815121356.8848-1-ivan.khoronzhuk@linaro.org |
---|---|
Headers | show |
Series | xdpsock: allow mmap2 usage for 32bits | expand |
On 8/15/19 2:13 PM, Ivan Khoronzhuk wrote: > This patchset contains several improvements for af_xdp socket umem > mappings for 32bit systems. Also, there is one more patch outside of > this series that on linux-next tree and related to mmap2 af_xdp umem > offsets: "mm: mmap: increase sockets maximum memory size pgoff for 32bits" > https://lkml.org/lkml/2019/8/12/549 > > Based on bpf-next/master > > Prev: https://lkml.org/lkml/2019/8/13/437 > > v2..v1: > - replaced "libbpf: add asm/unistd.h to xsk to get __NR_mmap2" on > "libbpf: use LFS (_FILE_OFFSET_BITS) instead of direct mmap2 > syscall" > - use vmap along with page_address to avoid overkill > - define mmap syscall trace5 for mmap if defined > > Ivan Khoronzhuk (3): > libbpf: use LFS (_FILE_OFFSET_BITS) instead of direct mmap2 syscall > xdp: xdp_umem: replace kmap on vmap for umem map > samples: bpf: syscal_nrs: use mmap2 if defined > > net/xdp/xdp_umem.c | 36 +++++++++++++++++++++++----- > samples/bpf/syscall_nrs.c | 6 +++++ > samples/bpf/tracex5_kern.c | 13 ++++++++++ > tools/lib/bpf/Makefile | 1 + > tools/lib/bpf/xsk.c | 49 +++++++++++--------------------------- > 5 files changed, 64 insertions(+), 41 deletions(-) > Applied, and fixed up typo in last one's subject, thanks!