[PATCH v20 01/14] arm64: hibernate: Don't hibernate on systems with stuck CPUs

[James Morse]

Hi

On 23/06/16 18:54, Geoff Levand wrote:
> From: James Morse <james.morse at arm.com>
> 
> Hibernate relies on cpu hotplug to prevent secondary cores executing
> the kernel text while it is being restored.
> 
> Add a call to cpus_are_stuck_in_kernel() to determine if there are
> CPUs not counted by 'num_online_cpus()', and prevent hibernate in this
> case.
> 
> Fixes: 82869ac57b5 ("arm64: kernel: Add support for hibernate/suspend-to-disk")
> Signed-off-by: James Morse <james.morse at arm.com>
> ---
>  arch/arm64/kernel/hibernate.c | 6 ++++++
>  1 file changed, 6 insertions(+)


... this patch isn't necessary for kexec, it wired up the helper function you
have in patch 2 for hibernate.

Please drop this in any future posting!


Thanks,

James