Re: [PATCH v13 2/3] ptrace,syscall_user_dispatch: checkpoint/restore support for SUD

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On 03/01, Gregory Price wrote:
>
> Implement ptrace getter/setter interface for syscall user dispatch.
> 
> These prctl settings are presently write-only, making it impossible to
> implement transparent checkpoint/restore via software like CRIU.
> 
> 'on_dispatch' field is not exposed because it is a kernel-internal
> only field that cannot be 'true' when returning to userland.
> 
> Signed-off-by: Gregory Price <gregory.price@xxxxxxxxxxxx>

Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>




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