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| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2016-12-07 01:16:26 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-12 06:41:49 +0100 |
| commit | 6e936b06795ae5dcb5248e0c4344d8303de4c2db (patch) | |
| tree | 6c10946b40e360306b9aa98cd2213a6f59d9260e /drivers/hv | |
| parent | 879dc37cc3a81c99527410a83ae9cc35c637e8b1 (diff) | |
| download | linux-stable-6e936b06795ae5dcb5248e0c4344d8303de4c2db.tar.gz linux-stable-6e936b06795ae5dcb5248e0c4344d8303de4c2db.tar.bz2 linux-stable-6e936b06795ae5dcb5248e0c4344d8303de4c2db.zip | |
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>
Diffstat (limited to 'drivers/hv')
| -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 e4bb498e41ae..a2567a4be1a8 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -457,6 +457,8 @@ 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; @@ -552,8 +554,6 @@ 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. */ |