<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> </head> <body> <p style="font-family:Arial;font-size:10pt;color:#0078D7;margin:15pt;" align="Left"> [AMD Official Use Only - Internal Distribution Only]<br> </p> <br> <div> <div dir="auto" style="direction: ltr; margin: 0; padding: 0; font-family: sans-serif; font-size: 11pt; color: black; "> For patch 1/2/3/5/6<br> </div> <div dir="auto" style="direction: ltr; margin: 0; padding: 0; font-family: sans-serif; font-size: 11pt; color: black; "> Reviewed-by: xinhui pan <xinhui.pan@amd.com></div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Christian König <ckoenig.leichtzumerken@gmail.com><br> <b>Sent:</b> Monday, February 10, 2020 11:09:01 PM<br> <b>To:</b> Pan, Xinhui <Xinhui.Pan@amd.com>; amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>; dri-devel@lists.freedesktop.org <dri-devel@lists.freedesktop.org><br> <b>Subject:</b> Cleanup TTMs delayed delete handling</font> <div> </div> </div> <div class="BodyFragment"><font size="2"><span style="font-size:11pt;"> <div class="PlainText">This series of patches cleans up TTMs delayed delete handling.<br> <br> The core of the new handling is that we new only have a single reference counter instead of two and use kref_get_unless_zero() to grab BOs from the LRU during eviction.<br> <br> This reduces the overhead of LRU moves and allows us to properly individualize the BOs reservation object during deletion to allow adding BOs for clearing memory, unmapping page tables etc..<br> <br> Please review and comment,<br> Christian.<br> <br> <br> </div> </span></font></div> </div> </body> </html>