On Tue, Sep 30, 2014 at 02:27:56PM -0700, Geoff Levand wrote: > Hi Vivek, > > On Tue, 2014-09-30 at 16:29 -0400, Vivek Goyal wrote: > > On Thu, Sep 25, 2014 at 12:23:26AM +0000, Geoff Levand wrote: > > > > [..] > > > To load a second stage kernel and execute a kexec re-boot on arm64 my patches to > > > kexec-tools [2], which have not yet been merged upstream, are needed. > > > > > > This series does not include some re-work of the spin-table CPU enable method > > > that is needed to support it, > > > > How do I figure out if my system has spin table enable method or psci > > enable method. Can one change it. I wanted to test your patches. > > The enable method is a function the firmware/bootloader provides. > Multiple methods may be supported. The boot-wrapper-aarch64 > build defaults to spin-table, but has the configure option --enable-psci. > > For a running system you can check the device tree: > > cat /proc/device-tree/cpus/cpu\@0/enable-method | hexdump -C > Hi Geoff, So system I have supports spin-table method for cpu bringup. How do I test your patches with that system. Are there any patches on your spin-table branch which can make it working? Thanks Vivek
