[PATCH -next V6 0/2] riscv: kexec: Fxiup crash_save percpu and

From: guoren
Date: Fri Dec 09 2022 - 02:55:29 EST


From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>

Current riscv kexec can't crash_save percpu states and disable
interrupts properly. The series fix them, make crash correct.

v6:
- Fixup checkpatch.pl problems
- Remove Fixes tags and make the series as features

v5:
https://lore.kernel.org/linux-riscv/20221020141603.2856206-1-guoren@xxxxxxxxxx/
- Remove the patch which isn't relate to riscv
- Add fixup crash_smp_send_stop test result

v4:
https://lore.kernel.org/linux-riscv/20220921033134.3133319-1-guoren@xxxxxxxxxx/
- Add cpu_ops[cpu]->cpu_stop() in ipi_cpu_crash_stop
- Wording optimization in comments

V3:
https://lore.kernel.org/linux-riscv/20220819025444.2121315-1-guoren@xxxxxxxxxx/
- Fixup compile problem with !SMP, which reported by lkp@xxxxxxxxx
- Cleanup declarations in asm/smp.h
- Add reviewed-by

V2:
https://lore.kernel.org/linux-riscv/20220817161258.748836-1-guoren@xxxxxxxxxx/
- Add Fixes tags
- Remove extern from bool smp_crash_stop_failed(void)

V1:
https://lore.kernel.org/linux-riscv/20220816012701.561435-1-guoren@xxxxxxxxxx/

Guo Ren (2):
riscv: kexec: EOI active and mask all interrupts in kexec crash path
riscv: kexec: Make crash save multi harts' context

arch/riscv/include/asm/smp.h | 3 +
arch/riscv/kernel/machine_kexec.c | 46 +++++++++++----
arch/riscv/kernel/smp.c | 97 ++++++++++++++++++++++++++++++-
3 files changed, 133 insertions(+), 13 deletions(-)

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2.36.1