Re: Info: mapping multiple BARs. Your kernel is fine.

Borislav Petkov
2014-02-25T17:39:46Z

On Tue, Feb 25, 2014 at 05:33:13PM +0100, Stephane Eranian wrote:
> No, it's a T430s. What happens if you boot vanilla tip.git?

linus/master + tip/master -> fails
tip/master -> fails

All trees are from today, like an hour ago or so.

Doing what hpa suggested:

diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index b262c6124cf3..ec217d2d28dd 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -3871,6 +3871,7 @@ static int __init uncore_pci_init(void)
pci_uncores = snb_pci_uncores;
uncore_pci_driver = &snb_uncore_pci_driver;
break;
+#if 0
case 58: /* Ivy Bridge */
ret = snb_pci2phy_map_init(PCI_DEVICE_ID_INTEL_IVB_IMC);
if (ret)
@@ -3878,6 +3879,7 @@ static int __init uncore_pci_init(void)
pci_uncores = snb_pci_uncores;
uncore_pci_driver = &ivb_uncore_pci_driver;
break;
+#endif
case 60: /* Haswell */
case 69: /* Haswell Celeron */
ret = snb_pci2phy_map_init(PCI_DEVICE_ID_INTEL_HSW_IMC);

for model 58, IVB, works around the issue.

Thanks.

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
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