Re: [Xen-devel] [PATCH v4 2/2] xen: use SYMBOL when required

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 04.01.19 at 18:05, <sstabellini@xxxxxxxxxx> wrote:
> I realize that you are not convinced by these arguments, but let's find
> a way forward. My preference would be to have SYMBOL returning unsigned
> long and do unsigned long comparisons when pointers pointing to
> different objects are involved.

I continue to fail to see how suitable hiding of the connection to the
original symbol from the compiler makes code less standard compliant
when comparing pointers: The compiler simply can't know whether
the underlying object is (in the extreme case) an array spanning the
entire address space.

Jan



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