On Wed, 29 Apr 2026 11:46:37 -0700 Stephen Hemminger <[email protected]> wrote:
> Several drivers and the ethdev layer initialize pthread mutexes > in shared memory with default (process-private) attributes. > This is undefined behavior when secondary processes use them. > > This series adds PTHREAD_PROCESS_SHARED to all affected mutexes. > All are on control paths (firmware mailbox, hotplug, flow ops, > PHY negotiation) where sleeping is acceptable. > > See POSIX spec: > https://pubs.opengroup.org/onlinepubs/009696899/functions/pthread_mutexattr_getpshared.html > > > Stephen Hemminger (7): > eal: add helper to initialize process-shared mutex > ethdev: fix flow_ops_mutex for multi-process > net/failsafe: fix hotplug_mutex for multi-process > net/atlantic: fix mbox_mutex for multi-process > net/axgbe: fix mutexes for multi-process > net/bnxt: fix mutexes for multi-process > net/hinic: fix mutexes for multi-process Applied to next-net
