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If > so, I suppose a subsequent patch should actually set the > IMAGE_DLLCHARACTERISTICS_NX_COMPAT bit (IIUC ld --nxcompat option), right? The manpage says:        --nxcompat        --disable-nxcompat            The image is compatible with the Data Execution Prevention.  This feature was introduced with MS Windows XP SP2 for i386 PE targets.  The option is enabled by default. It turns out that Xen is being marked NX_COMPAT even prior to this series, which is deeply suspicious as it has an RWX init section. ~Andrew