[Xen-ia64-devel] Re: [PATCH][PVOPS] No MCA support

[Alex Williamson <alex.williamson@xxxxxx>]

On Tue, 2008-03-18 at 11:25 +0900, Isaku Yamahata wrote:
> Hi Alex.
> Thank you very much for those unexpected patches.
> I'm very glad to see those and applied your other patches.
> 
> 
> Yes, MCA is for dom0. however "cat /proc/sal/*/data" triggers
> those code paths.
> So presumably we have to replace some functions with nop operations
> for domU. Or domU issues a sal hypercall with bad argument.

Hi Isaku,

   But sal_emulator() only allows sal_get/clear_state_info from dom0,
otherwise we return without dereferencing the buffer.  So I think it's
safe to drop this for domU-only support.  Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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