Applied
Serge E. Hallyn wrote:
> When doing a self-checkpoint, we have to get the access registers
> from hw.
>
> Signed-off-by: Serge E. Hallyn <serue@xxxxxxxxxx>
> ---
> arch/s390/kernel/checkpoint.c | 6 +++++-
> 1 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git a/arch/s390/kernel/checkpoint.c b/arch/s390/kernel/checkpoint.c
> index 03307e2..894bca3 100644
> --- a/arch/s390/kernel/checkpoint.c
> +++ b/arch/s390/kernel/checkpoint.c
> @@ -79,7 +79,11 @@ static void s390_copy_regs(int op, struct ckpt_hdr_cpu *h,
> }
>
> CKPT_COPY_ARRAY(op, h->fprs, thr->fp_regs.fprs, NUM_FPRS);
> - CKPT_COPY_ARRAY(op, h->acrs, thr->acrs, NUM_ACRS);
> + if (op == CKPT_CPT && t == current) {
> + save_access_regs(h->acrs);
> + } else {
> + CKPT_COPY_ARRAY(op, h->acrs, thr->acrs, NUM_ACRS);
> + }
> CKPT_COPY_ARRAY(op, h->per_control_regs,
> thr->per_info.control_regs.words.cr, NUM_CR_WORDS);
> }
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