Emit a warning if we attempt to checkpoint a task for which the user nonvolatile register state (r13-r31) has not been saved. This should not ever happen. Signed-off-by: Nathan Lynch <ntl@xxxxxxxxx> --- arch/powerpc/mm/checkpoint.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/mm/checkpoint.c b/arch/powerpc/mm/checkpoint.c index de18467..2634011 100644 --- a/arch/powerpc/mm/checkpoint.c +++ b/arch/powerpc/mm/checkpoint.c @@ -107,6 +107,8 @@ static void checkpoint_gprs(struct ckpt_hdr_cpu *cpu_hdr, cpu_hdr->pt_regs_size = sizeof(*pt_regs); pt_regs = task_pt_regs(task); + WARN_ON(!FULL_REGS(pt_regs)); + cpu_hdr->pt_regs = *pt_regs; if (task == current) -- 1.6.0.6 _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
