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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2016-08-12 19:49:43 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-09-02 20:05:06 +0200 |
| commit | 8017c279196ab29174bafc104ac4ebbd42c7ca7f (patch) | |
| tree | 4d5c5102c367e0c1018e5d435dbc96884263561d /include/linux/cpuhotplug.h | |
| parent | 8df038725ad5351a9730759e0a24a5c5d96be661 (diff) | |
| download | op-kernel-dev-8017c279196ab29174bafc104ac4ebbd42c7ca7f.zip op-kernel-dev-8017c279196ab29174bafc104ac4ebbd42c7ca7f.tar.gz | |
net/virtio-net: Convert to hotplug state machine
Install the callbacks via the state machine.
The driver supports multiple instances and therefore the new
cpuhp_state_add_instance_nocalls() infrastrucure is used. The driver
currently uses get_online_cpus() to avoid missing a CPU hotplug event while
invoking virtnet_set_affinity(). This could be avoided by using
cpuhp_state_add_instance() variant which holds the hotplug lock and invokes
callback during registration. This is more or less a 1:1 conversion of the
current code.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: netdev@vger.kernel.org
Cc: Will Deacon <will.deacon@arm.com>
Cc: virtualization@lists.linux-foundation.org
Cc: rt@linutronix.de
Link: http://lkml.kernel.org/r/1471024183-12666-7-git-send-email-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/cpuhotplug.h')
| -rw-r--r-- | include/linux/cpuhotplug.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index dcfe6191..b95f7ad 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -14,6 +14,7 @@ enum cpuhp_state { CPUHP_PERF_SUPERH, CPUHP_X86_HPET_DEAD, CPUHP_X86_APB_DEAD, + CPUHP_VIRT_NET_DEAD, CPUHP_WORKQUEUE_PREP, CPUHP_POWER_NUMA_PREPARE, CPUHP_HRTIMERS_PREPARE, |
