diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2016-12-07 01:16:26 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-12 06:37:29 +0100 |
| commit | 862d2b7d21d383d1b043bda57db38a7e3520f42e (patch) | |
| tree | 7f2b17f719b39e08a1635b26acdbf6a64580e26c | |
| parent | 374907e8d11613e790328b109041dca9578e3b1f (diff) | |
hv: init percpu_list in hv_synic_alloc()
commit 3c7630d35009e6635e5b58d62de554fd5b6db5df upstream.
Initializing hv_context.percpu_list in hv_synic_alloc() helps to prevent a
crash in percpu_channel_enq() when not all CPUs were online during
initialization and it naturally belongs there.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/hv/hv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index ad62a725fb5b..89fd0113aa5c 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -461,6 +461,8 @@ int hv_synic_alloc(void) pr_err("Unable to allocate post msg page\n"); goto err; } + + INIT_LIST_HEAD(&hv_context.percpu_list[cpu]); } return 0; @@ -555,8 +557,6 @@ void hv_synic_init(void *arg) rdmsrl(HV_X64_MSR_VP_INDEX, vp_index); hv_context.vp_index[cpu] = (u32)vp_index; - INIT_LIST_HEAD(&hv_context.percpu_list[cpu]); - /* * Register the per-cpu clockevent source. */ |