Update from upstream with manual merge of Yasunori Goto's

[linux-2.6-omap-h63xx.git] / include / asm-ia64 / mca.h

diff --git a/include/asm-ia64/mca.h b/include/asm-ia64/mca.h
index 97a28b8b2dddd98028b3ccfca697c1f42338313f..c7d9c9ed38baa518392cf9adcded3b90a299551e 100644 (file)
--- 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