> From: Sandy Stutsman <sstutsma@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
Frediano
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