Messages in this thread Patch in this message | | | Subject | [PATCH RT] enable interrupts in do_page_fault for users (take 2 - add i386 fix too) | From | Steven Rostedt <> | Date | Wed, 06 Jun 2007 21:42:27 -0400 |
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Thomas,
Can you replace my previous patch with this one. This one includes the fix for i386.
-- Steve
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; Index: linux-2.6.21-rt9/arch/i386/mm/fault.c =================================================================== --- linux-2.6.21-rt9.orig/arch/i386/mm/fault.c +++ linux-2.6.21-rt9/arch/i386/mm/fault.c @@ -459,6 +459,10 @@ bad_area: bad_area_nosemaphore: /* User mode accesses just cause a SIGSEGV */ if (error_code & 4) { + + /* it's possible to have interrupts off here */ + local_irq_enable(); + /* * Valid to do another page fault here because this one came * from user space.
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