Re: [Xen-devel] [PATCH v2 1/2] kexec: use hypercall_create_continuation to protect KEXEC ops

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 17.04.17 at 21:09, <eric.devolder@xxxxxxxxxx> wrote:
> --- a/xen/common/kexec.c
> +++ b/xen/common/kexec.c
> @@ -50,9 +50,10 @@ static cpumask_t crash_saved_cpus;
>  
>  static struct kexec_image *kexec_image[KEXEC_IMAGE_NR];
>  
> -#define KEXEC_FLAG_DEFAULT_POS   (KEXEC_IMAGE_NR + 0)
> -#define KEXEC_FLAG_CRASH_POS     (KEXEC_IMAGE_NR + 1)
> -#define KEXEC_FLAG_IN_PROGRESS   (KEXEC_IMAGE_NR + 2)
> +#define KEXEC_FLAG_DEFAULT_POS    (KEXEC_IMAGE_NR + 0)
> +#define KEXEC_FLAG_CRASH_POS      (KEXEC_IMAGE_NR + 1)
> +#define KEXEC_FLAG_IN_PROGRESS    (KEXEC_IMAGE_NR + 2)
> +#define KEXEC_FLAG_HC_IN_PROGRESS (KEXEC_IMAGE_NR + 3)

Perhaps KEXEC_FLAG_IN_HYPERCALL? Other than that (and this
clearly is subject to Andrew's opinion)
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

Jan


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