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Red Hat Bugzilla – Attachment 155954 Details for
Bug 236375
[RHEL5 RT] BUG: scheduling with irqs disabled:
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[patch]
fix for irqs disabled while sending segfault
interrupts-enabled-user-fault.patch (text/plain), 479 bytes, created by
Steven Rostedt
on 2007-06-01 23:27:06 UTC
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Description:
fix for irqs disabled while sending segfault
Filename:
MIME Type:
Creator:
Steven Rostedt
Created:
2007-06-01 23:27:06 UTC
Size:
479 bytes
patch
obsolete
>Index: linux-2.6.21-rt9/arch/x86_64/mm/fault.c >=================================================================== >--- linux-2.6.21-rt9.orig/arch/x86_64/mm/fault.c >+++ linux-2.6.21-rt9/arch/x86_64/mm/fault.c >@@ -476,6 +476,10 @@ bad_area: > bad_area_nosemaphore: > /* User mode accesses just cause a SIGSEGV */ > if (error_code & PF_USER) { >+ >+ /* it's possible to have interrupts off here */ >+ local_irq_enable(); >+ > if (is_prefetch(regs, address, error_code)) > return; >
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