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From: Jay Lan <jlan@sgi.com>
To: linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [Fastboot] [PATCH 1/1] - platform_kernel_launch_event is noop on generic kernel
Date: Mon, 05 Mar 2007 18:40:54 -0800	[thread overview]
Message-ID: <45ECD4B6.8000607@sgi.com> (raw)
In-Reply-To: <20070301130336.GB18853@strauss.suse.de>

Bernhard Walle wrote:
> * Bernhard Walle <bwalle@suse.de> [2007-03-01 13:57]:
>> * Horms <horms@verge.net.au> [2007-03-01 05:22]:
>>> On Wed, Feb 28, 2007 at 01:45:17PM -0600, John Keller wrote:
>>>> Add a missing #define for the platform_kernel_launch_event.
>>>> Without this fix, a call to platform_kernel_launch_event()
>>>> becomes a noop on generic kernels. SN systems require this
>>>> fix to successfully kdump/kexec from certain hardware errors.
>>>>
>>>> Signed-off-by: John Keller <jpk@sgi.com>
>>> I made a similar change when porting to xen, but I hadn't thought
>>> to see if mainline linux needs it to.
>>>
>>> Acked-by: Simon Horman <horms@verge.net.au>
>> I think there's an additional change needed. Without that, it leads to
>> a NULL pointer dereference.

Yep, it is needed. The missing line was in Jack's original patch
but was lost somehow in 2.6.20.

Acked-by: Jay Lan <jlan@sgi.com>

> 
> Maybe I should also get my editor right ... ;):
> 
> ---
>  include/asm-ia64/machvec.h |    2 ++
>  1 file changed, 2 insertions(+)
> 
> Index: b/include/asm-ia64/machvec.h
> ===================================================================
> --- a/include/asm-ia64/machvec.h
> +++ b/include/asm-ia64/machvec.h
> @@ -168,6 +168,7 @@ extern void machvec_tlb_migrate_finish (
>  #  define platform_setup_msi_irq	ia64_mv.setup_msi_irq
>  #  define platform_teardown_msi_irq	ia64_mv.teardown_msi_irq
>  #  define platform_pci_fixup_bus	ia64_mv.pci_fixup_bus
> +#  define platform_kernel_launch_event	ia64_mv.kernel_launch_event
>  # endif
>  
>  /* __attribute__((__aligned__(16))) is required to make size of the
> @@ -269,6 +270,7 @@ struct ia64_machine_vector {
>  	platform_setup_msi_irq,			\
>  	platform_teardown_msi_irq,		\
>  	platform_pci_fixup_bus,			\
> +	platform_kernel_launch_event            \
>  }
>  
>  extern struct ia64_machine_vector ia64_mv;
> -
> To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html


      reply	other threads:[~2007-03-06  2:41 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-28 19:45 [PATCH 1/1] - platform_kernel_launch_event is noop on generic kernel John Keller
2007-03-01  4:22 ` [Fastboot] " Horms
2007-03-01 12:57   ` Bernhard Walle
2007-03-01 13:03     ` Bernhard Walle
2007-03-06  2:40       ` Jay Lan [this message]

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