On Tue, Sep 20, 2016 at 01:14:10PM +0300, Sameeh Jubran wrote: > On Mon, Sep 12, 2016 at 11:32 AM, Frediano Ziglio <fziglio@xxxxxxxxxx> > wrote: > > It looks like MmMapIoSpaceEx was introduced with Windows 10 while WDDM was > > introduce in Windows 7. Are we going to support only from Windows 10? > > Windows 7 supports WDDM but supports also XPDM so it's supported but > > users of Windows 8 won't have a QXL driver. Are we never going to support > > Windows 8? > > > > > > > I think the reason for this change is that the new function can specify > > additional security, specifically removing the executable bit from page > > mappings. Am I right? Perhaps this should be mentioned in the rationale. > > I think we can drop this patch if we plan to support Windows 8 It would be easier to make that decision if there was a rationale for the change in the commit log, or if you could answer Frediano's question as to _why_ this commit is changing from one to the other function. Christophe
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