powerpc/kexec: Fix race in kexec shutdown

[deliverable/linux.git] / arch / powerpc / include / asm / paca.h

diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index a011603d407902c87555fbbff5a5c48afe5255a9..971dfa4815f02fa8e02ac604c0e1e869b7b05234 100644 (file)
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -82,6 +82,7 @@ struct paca_struct {
        s16 hw_cpu_id;                  /* Physical processor number */
        u8 cpu_start;                   /* At startup, processor spins until */
                                        /* this becomes non-zero. */
+       u8 kexec_state;         /* set when kexec down has irqs off */
 #ifdef CONFIG_PPC_STD_MMU_64
        struct slb_shadow *slb_shadow_ptr;