From: Jon S. <jon...@gm...> - 2005-06-20 20:23:21
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On 6/20/05, Ian Romanick <id...@us...> wrote: > The problem with the SAREA is that user-mode can request an SAREA > *larger* than the kernel knows about. For example, the user-mode > drivers can add extra fields for the DDX and client-side drivers to > communicate. The kernel doesn't need to know anything about what's in > that memory. It just knows that user mode wants N bytes of shared > space. If region is created in advance, there is no opportunity for > user-mode to specify a size. The size is still constained by SAREA_MAX right? If so the DRM driver can always allocate an SAREA of that size. --=20 Jon Smirl jon...@gm... |