在 2026/11/3 16:53, Shivang Upadhyay 写道:
> Currently fdt for crash kernel is not updated on cpu hotplug remove,
> which can lead to the following XIVE warnings on the crash kernel
> bringup.
>
> [ 0.630795][ T1] xive: H_INT_GET_QUEUE_INFO cpu=16 prio=6 failed -55
> [ 0.630912][ T1] xive: Error -55 getting queue info CPU 16 prio 6
> [ 0.680899][ T1] xive: H_INT_GET_QUEUE_INFO cpu=17 prio=6 failed -55
> [ 0.681000][ T1] xive: Error -55 getting queue info CPU 17 prio 6
>
> Fixing this by updating crash fdt on cpu hotplug remove path also.
>
> Reported-by: Anushree Mathur <[email protected]>
> Suggested-by: Sourabh Jain <[email protected]>
> Signed-off-by: Shivang Upadhyay <[email protected]>
> ---
> arch/powerpc/kexec/crash.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/arch/powerpc/kexec/crash.c b/arch/powerpc/kexec/crash.c
> index 775895f31037..0ef10e39ae49 100644
> --- a/arch/powerpc/kexec/crash.c
> +++ b/arch/powerpc/kexec/crash.c
> @@ -639,8 +639,6 @@ void arch_crash_handle_hotplug_event(struct kimage
> *image, void *arg)
>
> switch (image->hp_action) {
> case KEXEC_CRASH_HP_REMOVE_CPU:
> - return;
> -
LGTM
Reviewed-by: Jinjie Ruan <[email protected]>
> case KEXEC_CRASH_HP_ADD_CPU:
> update_crash_fdt(image);
> break;
--
Best regards,
Jinjie
