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-rw-r--r--include/asm-ia64/mca.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-ia64/mca.h b/include/asm-ia64/mca.h
index 97a28b8..c7d9c9e 100644
--- a/include/asm-ia64/mca.h
+++ b/include/asm-ia64/mca.h
@@ -80,7 +80,12 @@ struct ia64_sal_os_state {
u64 sal_ra; /* Return address in SAL, physical */
u64 sal_gp; /* GP of the SAL - physical */
pal_min_state_area_t *pal_min_state; /* from R17. physical in asm, virtual in C */
+ /* Previous values of IA64_KR(CURRENT) and IA64_KR(CURRENT_STACK).
+ * Note: if the MCA/INIT recovery code wants to resume to a new context
+ * then it must change these values to reflect the new kernel stack.
+ */
u64 prev_IA64_KR_CURRENT; /* previous value of IA64_KR(CURRENT) */
+ u64 prev_IA64_KR_CURRENT_STACK;
struct task_struct *prev_task; /* previous task, NULL if it is not useful */
/* Some interrupt registers are not saved in minstate, pt_regs or
* switch_stack. Because MCA/INIT can occur when interrupts are
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