<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""> Hello Kpatch, <div class=""><br class=""> </div> <div class="">I’m in a project which requires running kpatch on our 3.4 kernel, wondering how much effort is needed to do so?</div> <div class=""><br class=""> </div> <div class="">We currently using GCC 4.6.3, but I think we can move to GCC 4.8 if needed. However we cannot move our kernel to 3.9.</div> <div class=""><br class=""> </div> <div style="widows: 1;" class="">In 3.4 kernel I saw there is already ftrace, although there is no <span style="widows: 1;" class="">CONFIG_DYNAMIC_FTRACE_WITH_REGS feature. Wondering whether </span>CONFIG_DYNAMIC_FTRACE_WITH_REGS is the only feature missing on 3.4 to support kpatch? Are there other things we need to backport to run kpatch on 3.4 kernel?</div> <div class=""> <br class=""> <div class=""> <div apple-content-edited="true" class=""> <div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""> <div class="">Thank you for your time!</div> <div class=""><br class=""> </div> <div class="">Sincerely,</div> <div class="">Michael</div> </div> </div> <br class=""> </div> </div> </body> </html>