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Diffstat (limited to 'arch/ia64/kernel/mca_drv.c')
-rw-r--r--arch/ia64/kernel/mca_drv.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index f081c60ab206..3492e3211a44 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -88,7 +88,7 @@ mca_page_isolate(unsigned long paddr)
if (!ia64_phys_addr_valid(paddr))
return ISOLATE_NONE;
- if (!pfn_valid(paddr))
+ if (!pfn_valid(paddr >> PAGE_SHIFT))
return ISOLATE_NONE;
/* convert physical address to physical page number */
@@ -108,6 +108,7 @@ mca_page_isolate(unsigned long paddr)
return ISOLATE_NG;
/* add attribute 'Reserved' and register the page */
+ get_page(p);
SetPageReserved(p);
page_isolate[num_page_isolate++] = p;
@@ -546,9 +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;
/*
@@ -569,8 +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.