f69ca629d8
Instead of having #ifdef/#endif blocks inside sync_core() for X86_64 and X86_32, implement the new function iret_to_self() with two versions. In this manner, avoid having to use even more more #ifdef/#endif blocks when adding support for SERIALIZE in sync_core(). Co-developed-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20200727043132.15082-4-ricardo.neri-calderon@linux.intel.com