diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/pci_x86.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 10 | ||||
| -rw-r--r-- | arch/x86/pci/legacy.c | 42 |
3 files changed, 37 insertions, 17 deletions
diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h index 8d8797eae5d..cd2a31dc5fb 100644 --- a/arch/x86/include/asm/pci_x86.h +++ b/arch/x86/include/asm/pci_x86.h @@ -53,6 +53,8 @@ extern int pcibios_last_bus; extern struct pci_bus *pci_root_bus; extern struct pci_ops pci_root_ops; +void pcibios_scan_specific_bus(int busn); + /* pci-irq.c */ struct irq_info { diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 707165dbc20..18cc4256225 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -36,6 +36,7 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/debugfs.h> +#include <linux/edac_mce.h> #include <asm/processor.h> #include <asm/hw_irq.h> @@ -169,6 +170,15 @@ void mce_log(struct mce *mce) entry = rcu_dereference_check_mce(mcelog.next); for (;;) { /* + * If edac_mce is enabled, it will check the error type + * and will process it, if it is a known error. + * Otherwise, the error will be sent through mcelog + * interface + */ + if (edac_mce_parse(mce)) + return; + + /* * When the buffer fills up discard new entries. * Assume that the earlier errors are the more * interesting ones: diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c index 0db5eaf5456..8d460eaf524 100644 --- a/arch/x86/pci/legacy.c +++ b/arch/x86/pci/legacy.c @@ -11,28 +11,14 @@ */ static void __devinit pcibios_fixup_peer_bridges(void) { - int n, devfn; - long node; + int n; if (pcibios_last_bus <= 0 || pcibios_last_bus > 0xff) return; DBG("PCI: Peer bridge fixup\n"); - for (n=0; n <= pcibios_last_bus; n++) { - u32 l; - if (pci_find_bus(0, n)) - continue; - node = get_mp_bus_to_node(n); - for (devfn = 0; devfn < 256; devfn += 8) { - if (!raw_pci_read(0, n, devfn, PCI_VENDOR_ID, 2, &l) && - l != 0x0000 && l != 0xffff) { - DBG("Found device at %02x:%02x [%04x]\n", n, devfn, l); - printk(KERN_INFO "PCI: Discovered peer bus %02x\n", n); - pci_scan_bus_on_node(n, &pci_root_ops, node); - break; - } - } - } + for (n=0; n <= pcibios_last_bus; n++) + pcibios_scan_specific_bus(n); } int __init pci_legacy_init(void) @@ -50,6 +36,28 @@ int __init pci_legacy_init(void) return 0; } +void pcibios_scan_specific_bus(int busn) +{ + int devfn; + long node; + u32 l; + + if (pci_find_bus(0, busn)) + return; + + node = get_mp_bus_to_node(busn); + for (devfn = 0; devfn < 256; devfn += 8) { + if (!raw_pci_read(0, busn, devfn, PCI_VENDOR_ID, 2, &l) && + l != 0x0000 && l != 0xffff) { + DBG("Found device at %02x:%02x [%04x]\n", busn, devfn, l); + printk(KERN_INFO "PCI: Discovered peer bus %02x\n", busn); + pci_scan_bus_on_node(busn, &pci_root_ops, node); + return; + } + } +} +EXPORT_SYMBOL_GPL(pcibios_scan_specific_bus); + int __init pci_subsys_init(void) { /* |