[Spice-devel] [PATCH qxl-wddm-dod 05/26] Fix Code Integrity error generated by the Drive Verifier

[Frediano Ziglio]

> From: Sandy Stutsman <sstutsma at redhat.com>
> 
> Add MdlMappingNoExecute to MmGetSystemAddressForMDLSafe call in
> ExecutePresentDisplayOnly.
> ---
>  qxldod/QxlDod.cpp | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/qxldod/QxlDod.cpp b/qxldod/QxlDod.cpp
> index 77f4f86..1225f04 100755
> --- a/qxldod/QxlDod.cpp
> +++ b/qxldod/QxlDod.cpp
> @@ -2720,7 +2720,7 @@ VgaDevice::ExecutePresentDisplayOnly(
>          // Note: double mapping the buffer this way causes lot of system
>          // overhead for large size buffers.
>          ctx->SrcAddr = reinterpret_cast<BYTE*>
> -            (MmGetSystemAddressForMdlSafe(mdl, NormalPagePriority ));
> +            (MmGetSystemAddressForMdlSafe(mdl, NormalPagePriority |
> MdlMappingNoExecute));
>  
>          if(!ctx->SrcAddr) {
>              Status = STATUS_INSUFFICIENT_RESOURCES;
> @@ -3619,7 +3619,7 @@ QxlDevice::ExecutePresentDisplayOnly(
>          // Note: double mapping the buffer this way causes lot of system
>          // overhead for large size buffers.
>          ctx->SrcAddr = reinterpret_cast<BYTE*>
> -            (MmGetSystemAddressForMdlSafe(mdl, NormalPagePriority ));
> +            (MmGetSystemAddressForMdlSafe(mdl, NormalPagePriority |
> MdlMappingNoExecute));
>  
>          if(!ctx->SrcAddr) {
>              Status = STATUS_INSUFFICIENT_RESOURCES;

Acked-by: Frediano Ziglio <fziglio at redhat.com>

Frediano