Quiet irq remapping stack trace (rhbz 982153)
- Use RCU safe kfree for conntrack (rhbz 1015989)
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From 05104a4e8713b27291c7bb49c1e7e68b4e243571 Mon Sep 17 00:00:00 2001
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From: Neil Horman <nhorman@tuxdriver.com>
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Date: Fri, 27 Sep 2013 16:53:35 +0000
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Subject: iommu: Remove stack trace from broken irq remapping warning
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The warning for the irq remapping broken check in intel_irq_remapping.c is
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pretty pointless. We need the warning, but we know where its comming from, the
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stack trace will always be the same, and it needlessly triggers things like
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Abrt. This changes the warning to just print a text warning about BIOS being
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broken, without the stack trace, then sets the appropriate taint bit. Since we
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automatically disable irq remapping, theres no need to contiue making Abrt jump
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at this problem
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Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
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CC: Joerg Roedel <joro@8bytes.org>
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CC: Bjorn Helgaas <bhelgaas@google.com>
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CC: Andy Lutomirski <luto@amacapital.net>
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CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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CC: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
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Signed-off-by: Joerg Roedel <joro@8bytes.org>
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---
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diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
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index f71673d..b97d70b 100644
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--- a/drivers/iommu/intel_irq_remapping.c
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+++ b/drivers/iommu/intel_irq_remapping.c
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@@ -525,12 +525,13 @@ static int __init intel_irq_remapping_supported(void)
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if (disable_irq_remap)
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return 0;
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if (irq_remap_broken) {
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- WARN_TAINT(1, TAINT_FIRMWARE_WORKAROUND,
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- "This system BIOS has enabled interrupt remapping\n"
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- "on a chipset that contains an erratum making that\n"
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- "feature unstable. To maintain system stability\n"
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- "interrupt remapping is being disabled. Please\n"
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- "contact your BIOS vendor for an update\n");
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+ printk(KERN_WARNING
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+ "This system BIOS has enabled interrupt remapping\n"
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+ "on a chipset that contains an erratum making that\n"
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+ "feature unstable. To maintain system stability\n"
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+ "interrupt remapping is being disabled. Please\n"
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+ "contact your BIOS vendor for an update\n");
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+ add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
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disable_irq_remap = 1;
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return 0;
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}
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--
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cgit v0.9.2
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@ -766,6 +766,9 @@ Patch25121: ipv6-udp-packets-following-an-UFO-enqueued-packet-ne.patch
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#rhbz 1015989
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Patch25122: netfilter-nf_conntrack-use-RCU-safe-kfree-for-conntr.patch
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#rhbz 982153
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Patch25123: iommu-Remove-stack-trace-from-broken-irq-remapping-warning.patch
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# END OF PATCH DEFINITIONS
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%endif
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@ -1480,6 +1483,9 @@ ApplyPatch ipv6-udp-packets-following-an-UFO-enqueued-packet-ne.patch
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#rhbz 1015989
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ApplyPatch netfilter-nf_conntrack-use-RCU-safe-kfree-for-conntr.patch
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#rhbz 982153
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ApplyPatch iommu-Remove-stack-trace-from-broken-irq-remapping-warning.patch
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# END OF PATCH APPLICATIONS
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%endif
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@ -2293,6 +2299,7 @@ fi
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%changelog
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* Tue Oct 08 2013 Josh Boyer <jwboyer@fedoraproject.org>
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- Quiet irq remapping stack trace (rhbz 982153)
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- Use RCU safe kfree for conntrack (rhbz 1015989)
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* Mon Oct 7 2013 Justin M. Forbes <jforbes@fedoraproject.org>
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