[win-pv-devel] [PATCH 1/2] Size XENBUS_CACHE Magazine array to maximum processor count

[Paul Durrant <pdurrant@xxxxxxxxx>]

Sizing to active processor count means that the array will be too small if
a processor is onlined after cache creation.

Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
---
 src/xenbus/cache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/xenbus/cache.c b/src/xenbus/cache.c
index 9727b14..5a14411 100644
--- a/src/xenbus/cache.c
+++ b/src/xenbus/cache.c
@@ -617,7 +617,7 @@ CacheCreate(
     if (!NT_SUCCESS(status))
         goto fail4;
 
-    (*Cache)->MagazineCount = 
KeQueryActiveProcessorCountEx(ALL_PROCESSOR_GROUPS);
+    (*Cache)->MagazineCount = 
KeQueryMaximumProcessorCountEx(ALL_PROCESSOR_GROUPS);
     (*Cache)->Magazine = __CacheAllocate(sizeof (XENBUS_CACHE_MAGAZINE) * 
(*Cache)->MagazineCount);
 
     status = STATUS_NO_MEMORY;
-- 
2.1.1


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