[PATCH 08/15] hv: init percpu_list in hv_synic_alloc()

[kys]

From: Vitaly Kuznetsov 

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 
Signed-off-by: K. Y. Srinivasan 
---
 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 e4bb498..a2567a4 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(_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(_context.percpu_list[cpu]);
-
/*
 * Register the per-cpu clockevent source.
 */
-- 
1.7.4.1

[PATCH 08/15] hv: init percpu_list in hv_synic_alloc()

[kys]

From: Vitaly Kuznetsov 

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 
Signed-off-by: K. Y. Srinivasan 
---
 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 e4bb498..a2567a4 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(_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(_context.percpu_list[cpu]);
-
/*
 * Register the per-cpu clockevent source.
 */
-- 
1.7.4.1