Re: [Xen-devel] [PATCH v5 15/28] xsplice: Add .xsplice.hooks functions and test-case

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 08.04.16 at 17:57, <ross.lagerwall@xxxxxxxxxx> wrote:
> On 04/07/2016 02:15 AM, Jan Beulich wrote:
>>>>> Martin Pohlack <mpohlack@xxxxxxxxxx> 04/06/16 8:42 AM >>>
>>> On 06.04.2016 04:42, Konrad Rzeszutek Wilk wrote:
>>>> The normal use-case is to modify structures values where we have to
>>>> be delicate about it and can't just replace the value. As in we
>>>> may have to recompute the value.
>>>
>>> Agree on the default use (e.g., for XSA 91).
>>
>> XSA-91 was an ARM one, i.e. would still only be a theoretical example for
>> the purpose of the discussion here.
> 
> I've marked the following XSAs as potentially requiring hook functions 
> or shadow variables:
> 
> XSA-36
> XSA-45
> XSA-60
> XSA-64
> XSA-80
> XSA-82
> XSA-97
> XSA-107
> XSA-114
> XSA-150

Such a raw list doesn't tell me anything, I'm afraid. Can you please
explain for at least one of them why they do need hooks (and not
just potentially)?

Jan


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