kernel-hacking-2024-linux-s.../samples
Magnus Karlsson 092fde0f86 samples/bpf: Fix possible hang in xdpsock with multiple threads
Fix a possible hang in xdpsock that can occur when using multiple
threads. In this case, one or more of the threads might get stuck in
the while-loop in tx_only after the user has signaled the main thread
to stop execution. In this case, no more Tx packets will be sent, so a
thread might get stuck in the aforementioned while-loop. Fix this by
introducing a test inside the while-loop to check if the benchmark has
been terminated. If so, return from the function.

Fixes: cd9e72b6f2 ("samples/bpf: xdpsock: Add option to specify batch size")
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20201210163407.22066-1-magnus.karlsson@gmail.com
2020-12-10 23:13:43 +01:00
..
auxdisplay kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
binderfs kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
bpf samples/bpf: Fix possible hang in xdpsock with multiple threads 2020-12-10 23:13:43 +01:00
configfs samples: configfs: prefer pr_err() over bare printk(KERN_ERR 2020-10-07 15:46:22 +02:00
connector kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
ftrace samples/ftrace: Mark my_tramp[12]? global 2020-11-30 21:42:48 -05:00
hidraw kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
hw_breakpoint
kdb
kfifo
kmemleak mm,kmemleak-test.c: move kmemleak-test.c to samples dir 2020-10-13 18:38:27 -07:00
kobject
kprobes kernel-clone-v5.9 2020-10-14 14:32:52 -07:00
livepatch
mei kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
nitro_enclaves nitro_enclaves: Add sample for ioctl interface usage 2020-09-22 13:58:41 +02:00
pidfd kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
pktgen
qmi
rpmsg
seccomp kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
timers kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
trace_events
trace_printk
uhid kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
v4l
vfio-mdev samples: vfio-mdev/mbochs: fix common struct sg_table related issues 2020-09-10 08:19:46 +02:00
vfs kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
watch_queue kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
watchdog kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
Kconfig
Makefile mm,kmemleak-test.c: move kmemleak-test.c to samples dir 2020-10-13 18:38:27 -07:00