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340e8ae45f
There is a bug in win32k (who would have thought that?) that consists in holding a winstation spinlock while running PAGED_CODE MmCopyToCaller function, when building the list of desktops of a given window station (the bug is easily triggerable when calling EnumDesktopsW). Since this lock is never used in anyplace but in this function, which, by the way, is just a reader function that fills user buffer, I consider that it is safe to remove this lock. However I want approval from win32k specialists. Hence I just disable the code with a define USE_WINSTA_LOCK. If this lock is really needed, please rewrite the BuildDesktopNameList function !! Otherwise remove this lock and the associated code !! This is a blocker for the shutdown code. svn path=/trunk/; revision=63610 |
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