Merge branch 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 RAS update from Ingo Molnar:
 "The changes in this cycle were:

   - allow mmcfg access to APEI error injection handlers

   - improve MCE error messages

   - smaller cleanups"

* 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, mce: Fix sparse errors
  x86, mce: Improve timeout error messages
  ACPI, EINJ: Enhance error injection tolerance level

1 files changed, 28 insertions, 0 deletions

diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 326198a4434e..676e5e04e4d4 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -610,6 +610,32 @@ static int __init pci_parse_mcfg(struct acpi_table_header *header)
         return 0;
 }
 
+#ifdef CONFIG_ACPI_APEI
+extern int (*arch_apei_filter_addr)(int (*func)(__u64 start, __u64 size,
+                                     void *data), void *data);
+
+static int pci_mmcfg_for_each_region(int (*func)(__u64 start, __u64 size,
+                                     void *data), void *data)
+{
+        struct pci_mmcfg_region *cfg;
+        int rc;
+
+        if (list_empty(&pci_mmcfg_list))
+                return 0;
+
+        list_for_each_entry(cfg, &pci_mmcfg_list, list) {
+                rc = func(cfg->res.start, resource_size(&cfg->res), data);
+                if (rc)
+                        return rc;
+        }
+
+        return 0;
+}
+#define set_apei_filter() (arch_apei_filter_addr = pci_mmcfg_for_each_region)
+#else
+#define set_apei_filter()
+#endif
+
 static void __init __pci_mmcfg_init(int early)
 {
         pci_mmcfg_reject_broken(early);
@@ -644,6 +670,8 @@ void __init pci_mmcfg_early_init(void)
                 else
                         acpi_sfi_table_parse(ACPI_SIG_MCFG, pci_parse_mcfg);
                 __pci_mmcfg_init(1);
+
+                set_apei_filter();
         }
 }