[PATCH] MCA/INIT: use per cpu stacks

[mv-sheeva.git] / arch / ia64 / kernel / mca_drv.c

diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index abc0113a821df8eee06fca411866cfe4de324a6d..6e683745af49d1ceb128fc99ec60b61ad76a61f6 100644 (file)
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -4,6 +4,8 @@
  *
  * Copyright (C) 2004 FUJITSU LIMITED
  * Copyright (C) Hidetoshi Seto (seto.hidetoshi@jp.fujitsu.com)
+ * Copyright (C) 2005 Silicon Graphics, Inc
+ * Copyright (C) 2005 Keith Owens <kaos@sgi.com>
  */
 #include <linux/config.h>
 #include <linux/types.h>
@@ -38,10 +40,6 @@
 /* max size of SAL error record (default) */
 static int sal_rec_max = 10000;
 
-/* from mca.c */
-static ia64_mca_sal_to_os_state_t *sal_to_os_handoff_state;
-static ia64_mca_os_to_sal_state_t *os_to_sal_handoff_state;
-
 /* from mca_drv_asm.S */
 extern void *mca_handler_bhhook(void);
 
@@ -316,7 +314,8 @@ init_record_index_pools(void)
  */
 
 static mca_type_t
-is_mca_global(peidx_table_t *peidx, pal_bus_check_info_t *pbci)
+is_mca_global(peidx_table_t *peidx, pal_bus_check_info_t *pbci,
+             struct ia64_sal_os_state *sos)
 {
        pal_processor_state_info_t *psp = (pal_processor_state_info_t*)peidx_psp(peidx);
 
@@ -327,7 +326,7 @@ is_mca_global(peidx_table_t *peidx, pal_bus_check_info_t *pbci)
         * Therefore it is local MCA when rendezvous has not been requested.
         * Failed to rendezvous, the system must be down.
         */
-       switch (sal_to_os_handoff_state->imsto_rendez_state) {
+       switch (sos->rv_rc) {
                case -1: /* SAL rendezvous unsuccessful */
                        return MCA_IS_GLOBAL;
                case  0: /* SAL rendezvous not required */
@@ -388,7 +387,8 @@ is_mca_global(peidx_table_t *peidx, pal_bus_check_info_t *pbci)
  */
 
 static int
-recover_from_read_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci)
+recover_from_read_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci,
+                       struct ia64_sal_os_state *sos)
 {
        sal_log_mod_error_info_t *smei;
        pal_min_state_area_t *pmsa;
@@ -426,7 +426,7 @@ recover_from_read_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_chec
                         *  setup for resume to bottom half of MCA,
                         * "mca_handler_bhhook"
                         */
-                       pmsa = (pal_min_state_area_t *)(sal_to_os_handoff_state->pal_min_state | (6ul<<61));
+                       pmsa = sos->pal_min_state;
                        /* pass to bhhook as 1st argument (gr8) */
                        pmsa->pmsa_gr[8-1] = smei->target_identifier;
                        /* set interrupted return address (but no use) */
@@ -459,7 +459,8 @@ recover_from_read_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_chec
  */
 
 static int
-recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci)
+recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci,
+                           struct ia64_sal_os_state *sos)
 {
        int status = 0;
        pal_processor_state_info_t *psp = (pal_processor_state_info_t*)peidx_psp(peidx);
@@ -469,7 +470,7 @@ recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_
                case 1: /* partial read */
                case 3: /* full line(cpu) read */
                case 9: /* I/O space read */
-                       status = recover_from_read_error(slidx, peidx, pbci);
+                       status = recover_from_read_error(slidx, peidx, pbci, sos);
                        break;
                case 0: /* unknown */
                case 2: /* partial write */
@@ -508,7 +509,8 @@ recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_
  */
 
 static int
-recover_from_processor_error(int platform, slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci)
+recover_from_processor_error(int platform, slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci,
+                            struct ia64_sal_os_state *sos)
 {
        pal_processor_state_info_t *psp = (pal_processor_state_info_t*)peidx_psp(peidx);
 
@@ -545,7 +547,7 @@ recover_from_processor_error(int platform, slidx_table_t *slidx, peidx_table_t *
         * This means "there are some platform errors".
         */
        if (platform) 
-               return recover_from_platform_error(slidx, peidx, pbci);
+               return recover_from_platform_error(slidx, peidx, pbci, sos);
        /* 
         * On account of strange SAL error record, we cannot recover. 
         */
@@ -562,8 +564,7 @@ recover_from_processor_error(int platform, slidx_table_t *slidx, peidx_table_t *
 
 static int
 mca_try_to_recover(void *rec, 
-       ia64_mca_sal_to_os_state_t *sal_to_os_state,
-       ia64_mca_os_to_sal_state_t *os_to_sal_state)
+       struct ia64_sal_os_state *sos)
 {
        int platform_err;
        int n_proc_err;
@@ -571,10 +572,6 @@ mca_try_to_recover(void *rec,
        peidx_table_t peidx;
        pal_bus_check_info_t pbci;
 
-       /* handoff state from/to mca.c */
-       sal_to_os_handoff_state = sal_to_os_state;
-       os_to_sal_handoff_state = os_to_sal_state;
-
        /* Make index of SAL error record */
        platform_err = mca_make_slidx(rec, &slidx);
 
@@ -597,11 +594,11 @@ mca_try_to_recover(void *rec,
        *((u64*)&pbci) = peidx_check_info(&peidx, bus_check, 0);
 
        /* Check whether MCA is global or not */
-       if (is_mca_global(&peidx, &pbci))
+       if (is_mca_global(&peidx, &pbci, sos))
                return 0;
        
        /* Try to recover a processor error */
-       return recover_from_processor_error(platform_err, &slidx, &peidx, &pbci);
+       return recover_from_processor_error(platform_err, &slidx, &peidx, &pbci, sos);
 }
 
 /*