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Author: asn |
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Date: 2009-09-01 07:32:40 +0000 (Tue, 01 Sep 2009) |
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New Revision: 1601 |
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|
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Added: |
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genpatches-2.6/trunk/2.6.30/1700_empty-ipi-check.patch |
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Modified: |
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genpatches-2.6/trunk/2.6.30/0000_README |
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Log: |
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Fixes freezes caused by careless IPI sends on some x86 setups |
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|
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Modified: genpatches-2.6/trunk/2.6.30/0000_README |
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=================================================================== |
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--- genpatches-2.6/trunk/2.6.30/0000_README 2009-08-29 13:41:48 UTC (rev 1600) |
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+++ genpatches-2.6/trunk/2.6.30/0000_README 2009-09-01 07:32:40 UTC (rev 1601) |
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@@ -63,6 +63,10 @@ |
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From: http://lwn.net/Articles/342440/ |
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Desc: HID: Move dereferences below a NULL test |
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|
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+Patch: 1700_empty-ipi-check.patch |
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+From: http://bugs.gentoo.org/show_bug.cgi?id=273936 |
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+Desc: Fixes freezes caused by careless IPI sends on some x86 setups |
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+ |
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Patch: 2500_ide-cd-handle-fragmented-patckets.patch |
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From: http://bugs.gentoo.org/show_bug.cgi?id=274182 |
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Desc: ide-cd: handle fragmented packet commands gracefully |
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@@ -81,5 +85,4 @@ |
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|
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Patch: 4400_alpha-sysctl-uac.patch |
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From: Tavis Ormandy <taviso@g.o> and http://bugs.gentoo.org/show_bug.cgi?id=217323 |
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-Desc: enable control of the unaligned access control policy from sysctl |
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- |
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+Desc: Enable control of the unaligned access control policy from sysctl |
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|
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Added: genpatches-2.6/trunk/2.6.30/1700_empty-ipi-check.patch |
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=================================================================== |
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--- genpatches-2.6/trunk/2.6.30/1700_empty-ipi-check.patch (rev 0) |
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+++ genpatches-2.6/trunk/2.6.30/1700_empty-ipi-check.patch 2009-09-01 07:32:40 UTC (rev 1601) |
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@@ -0,0 +1,12 @@ |
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+--- a/arch/x86/kernel/apic/ipi.c |
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++++ b/arch/x86/kernel/apic/ipi.c |
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+@@ -106,6 +106,9 @@ |
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+ unsigned long mask = cpumask_bits(cpumask)[0]; |
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+ unsigned long flags; |
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+ |
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++ if (WARN_ONCE(!mask, "empty IPI mask")) |
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++ return; |
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++ |
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+ local_irq_save(flags); |
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+ WARN_ON(mask & ~cpumask_bits(cpu_online_mask)[0]); |
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+ __default_send_IPI_dest_field(mask, vector, apic->dest_logical); |
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