[net-next,v1,0/7] devmem TCP fixes

Message

Mina Almasry Oct. 29, 2024, 8:45 p.m. UTC

A few unrelated devmem TCP fixes bundled in a series for some
convenience (if that's ok).

Patch 1-2: fix naming and provide page_pool_alloc_netmem for fragged
netmem.

Patch 3-4: fix issues with dma-buf dma addresses being potentially
passed to dma_sync_for_* helpers.

Patch 5-6: fix syzbot SO_DEVMEM_DONTNEED issue and add test for this
case.


Mina Almasry (6):
  net: page_pool: rename page_pool_alloc_netmem to *_netmems
  net: page_pool: create page_pool_alloc_netmem
  page_pool: disable sync for cpu for dmabuf memory provider
  netmem: add netmem_prefetch
  net: fix SO_DEVMEM_DONTNEED looping too long
  ncdevmem: add test for too many token_count

Samiullah Khawaja (1):
  page_pool: Set `dma_sync` to false for devmem memory provider

 include/net/netmem.h                   |  7 ++++
 include/net/page_pool/helpers.h        | 50 ++++++++++++++++++--------
 include/net/page_pool/types.h          |  2 +-
 net/core/devmem.c                      |  9 +++--
 net/core/page_pool.c                   | 11 +++---
 net/core/sock.c                        | 46 ++++++++++++++----------
 tools/testing/selftests/net/ncdevmem.c | 11 ++++++
 7 files changed, 93 insertions(+), 43 deletions(-)