Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH 2.6.13] x86_64: Add notify_die() to another spot in do_page_fault() | Date | Fri, 9 Sep 2005 10:01:00 +0200 |
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On Thursday 08 September 2005 18:38, Tom Rini wrote: > This adds a call to notify_die() in the "no context" portion of > do_page_fault() as someone on the chain might care and want to do a fixup. > > --- > > linux-2.6.13-trini/arch/x86_64/mm/fault.c | 4 ++++ > 1 files changed, 4 insertions(+) > > diff -puN arch/x86_64/mm/fault.c~x86_64-no_context_hook > arch/x86_64/mm/fault.c --- > linux-2.6.13/arch/x86_64/mm/fault.c~x86_64-no_context_hook 2005-09-01 > 12:00:43.000000000 -0700 +++ > linux-2.6.13-trini/arch/x86_64/mm/fault.c 2005-09-01 12:00:43.000000000 > -0700 @@ -514,6 +514,10 @@ no_context: > if (is_errata93(regs, address)) > return; > > + if (notify_die(DIE_PAGE_FAULT, "no context", regs, error_code, 14, > + SIGSEGV) == NOTIFY_STOP) > + return; > +
But how would the chain users distingush this from the DIE_PAGE_FAULT reported at the beginning of the page fault handler? I don't see how it can work. If anything you would need a DIE_NO_CONTEXT or somesuch, no?
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