From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> Current riscv kexec can't crash_save percpu states and disable interrupts properly. The patch series fix them, make kexec work correct. Also cleanup arm64, x86 declarations in asm/smp.h. Changlogs: v2: https://lore.kernel.org/linux-riscv/20220817161258.748836-1-guoren@xxxxxxxxxx/ v1: https://lore.kernel.org/linux-riscv/20220816012701.561435-1-guoren@xxxxxxxxxx/ Changes in v3: - Fixup compile problem with !SMP, which reported by lkp@xxxxxxxxx - Cleanup declarations in asm/smp.h - Add reviewed-by Changes in v2: - Add Fixes tags - Remove extern from bool smp_crash_stop_failed(void) Guo Ren (3): riscv: kexec: Disable all interrupts in kexec crash path riscv: kexec: Fixup crash_smp_send_stop with percpu crash_save_cpu arch: crash: Remove duplicate declaration in smp.h arch/arm64/include/asm/smp.h | 1 - arch/riscv/include/asm/smp.h | 3 ++ arch/riscv/kernel/machine_kexec.c | 46 ++++++++++++---- arch/riscv/kernel/smp.c | 89 ++++++++++++++++++++++++++++++- arch/x86/include/asm/crash.h | 1 - 5 files changed, 125 insertions(+), 15 deletions(-) -- 2.36.1
