Re: Use PCI ROMs from EFI boot services

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On 12/05/2012 04:30 PM, Yinghai Lu wrote:
> On Wed, Dec 5, 2012 at 4:21 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>> On 12/05/2012 04:18 PM, Matthew Garrett wrote:
> 
>> Because it also needs to modify it.  Right now kexec userspace
>> synthesizes struct boot_params from scratch, and does so incorrectly to
>> boot.  I think we have setup_data exported via debugfs but IIRC we never
>> got a strong enough use case for sysfs.
> 
> maybe we could try  to export setup_data pointer only /sys, and that
> could be safe enough.
> 

I don't think there is anything security-sensitive about that
information, at least not to root.  I could be wrong, of course; I
wouldn't mind security people telling me about that.

	-hpa

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