On 09.01.2020 12:51, Andrew Cooper wrote: > The top (numerically higher addresses) of cpu0_stack[] contains the BSP's > cpu_info block. Logic in Xen expects this to be initialised to 0, but this > area of stack is also used during early boot. > > Update the head.S code to avoid using the cpu_info block. Additionally, > update the stack_start variable to match, which avoids __high_start() and > efi_arch_post_exit_boot() needing to make the adjustment manually. > > Finally, leave a big warning by the BIOS BSS initialisation, because it is by > no means obvious that the stack doesn't survive the REP STOS. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
Reviewed-by: Jan Beulich <jbeul...@suse.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
