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SubjectRe: [PATCH v4 04/17] x86/acrn: Introduce hypercall interfaces
On Wed, Sep 30, 2020 at 09:42:40PM +0200, Peter Zijlstra wrote:
> > Looks like yes. You can even check different GCC versions via the
> > dropdown in the top right.
> That only tells me it compiles it, not if that (IMO) weird construct is
> actually guaranteed to work as expected.
> I'd almost dive into the GCC archives to read the back-story to this
> 'feature', it just seems to weird to me. A well, for another day that.

It was documented in 1996 (<>), the
feature is older than that though.

In 2004 (in <>) the documentation for
this was made more explicit (it has been rewritten since, but it still
says the same thing).


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