Pull mca-check-psp into release branch

1 files changed, 13 insertions, 4 deletions

diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index eb39bc9c133b..3492e3211a44 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -547,9 +547,20 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
                 (pal_processor_state_info_t*)peidx_psp(peidx);
 
         /*
-         * We cannot recover errors with other than bus_check.
+         * Processor recovery status must key off of the PAL recovery
+         * status in the Processor State Parameter.
          */
-        if (psp->cc || psp->rc || psp->uc)
+
+        /*
+         * The machine check is corrected.
+         */
+        if (psp->cm == 1)
+                return 1;
+
+        /*
+         * The error was not contained.  Software must be reset.
+         */
+        if (psp->us || psp->ci == 0)
                 return 0;
 
         /*
@@ -570,8 +581,6 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
                 return 0;
         if (pbci->eb && pbci->bsi > 0)
                 return 0;
-        if (psp->ci == 0)
-                return 0;
 
         /*
          * This is a local MCA and estimated as recoverble external bus error.