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Hopefully -- I don't have a BookE KVM environment to test. Can QEMU do it? Is it still tested? - Drop the last two patches that changed the stack layout, they can be done later. - Drop the load/store-multiple change to 32-bit. Thanks, Nick Nicholas Piggin (17): KVM: PPC: Book3E: Fix CONFIG_TRACE_IRQFLAGS support powerpc/64: Remove asm interrupt tracing call helpers powerpc/perf: callchain validate kernel stack pointer bounds powerpc: Rearrange copy_thread child stack creation powerpc/pseries: hvcall stack frame overhead powerpc: simplify ppc_save_regs powerpc: add definition for pt_regs offset within an interrupt frame powerpc: add a definition for the marker offset within the interrupt frame powerpc: Rename STACK_FRAME_MARKER and derive it from frame offset powerpc: add a define for the user interrupt frame size powerpc: add a define for the switch frame size and regs offset powerpc: copy_thread fill in interrupt frame marker and back chain powerpc: copy_thread add a back chain to the switch stack frame powerpc: split validate_sp into two functions powerpc: allow minimum sized kernel stack frames powerpc/64: ELFv2 use minimal stack frames in int and switch frame sizes powerpc: remove STACK_FRAME_OVERHEAD arch/powerpc/include/asm/irqflags.h | 58 ------------- arch/powerpc/include/asm/kvm_ppc.h | 12 +++ arch/powerpc/include/asm/processor.h | 15 +++- arch/powerpc/include/asm/ptrace.h | 37 ++++++--- arch/powerpc/kernel/asm-offsets.c | 9 +- arch/powerpc/kernel/entry_32.S | 14 ++-- arch/powerpc/kernel/exceptions-64e.S | 44 +++++----- arch/powerpc/kernel/exceptions-64s.S | 82 +++++++++---------- arch/powerpc/kernel/head_32.h | 4 +- arch/powerpc/kernel/head_40x.S | 2 +- arch/powerpc/kernel/head_44x.S | 6 +- arch/powerpc/kernel/head_64.S | 6 +- arch/powerpc/kernel/head_85xx.S | 8 +- arch/powerpc/kernel/head_8xx.S | 2 +- arch/powerpc/kernel/head_book3s_32.S | 4 +- arch/powerpc/kernel/head_booke.h | 4 +- arch/powerpc/kernel/interrupt_64.S | 32 ++++---- arch/powerpc/kernel/irq.c | 4 +- arch/powerpc/kernel/kgdb.c | 2 +- arch/powerpc/kernel/misc_32.S | 2 +- arch/powerpc/kernel/misc_64.S | 4 +- arch/powerpc/kernel/optprobes_head.S | 4 +- arch/powerpc/kernel/ppc_save_regs.S | 57 ++++--------- arch/powerpc/kernel/process.c | 54 +++++++----- arch/powerpc/kernel/smp.c | 2 +- arch/powerpc/kernel/stacktrace.c | 10 +-- arch/powerpc/kernel/tm.S | 8 +- arch/powerpc/kernel/trace/ftrace_mprofile.S | 2 +- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 2 +- arch/powerpc/kvm/booke.c | 3 + arch/powerpc/kvm/bookehv_interrupts.S | 9 -- .../lib/test_emulate_step_exec_instr.S | 2 +- arch/powerpc/perf/callchain.c | 9 +- arch/powerpc/platforms/pseries/hvCall.S | 38 +++++---- arch/powerpc/xmon/xmon.c | 10 +-- 35 files changed, 259 insertions(+), 302 deletions(-)