Re: [PATCH for-8.0 0/5] Xen emulation build/Coverity fixes

[Peter Maydell]

On Wed, 12 Apr 2023 at 19:52, David Woodhouse <dwmw2@infradead.org> wrote:
>
> Some Coverity fixes and minor cleanups. And most notably, dropping
> support for Xen libraries older than 4.7.1.
>
> I believe there are two issues that remain to be fixed. The x32 build
> fails, and I've seen patches which attempt to detect x32 and disable
> the Xen emulation. Along with assertions that we just shouldn't care.
> I don't have a strong opinion either way but it seems to be in hand.
>
> The other is the question of what Xen *actually* does if you try to
> unmap an IRQ_MSI_EMU PIRQ. I don't think Linux guests try that, and
> I'm fairly sure Windows doesn't even use MSI→PIRQ mappings in the
> first place, and I doubt any other guests care either. I'd like to
> establish the 'correct' behaviour and implement it, ideally before
> the 8.0 release, but it's going to take me a few days more.
>
> David Woodhouse (5):
>       hw/xen: Simplify emulated Xen platform init
>       hw/xen: Fix memory leak in libxenstore_open() for Xen
>       xen: Drop support for Xen versions below 4.7.1
>       hw/xen: Fix double-free in xen_console store_con_info()
>       hw/xen: Fix broken check for invalid state in xs_be_open()
>

This is highly unlikely to make 8.0 at this point, FYI.
If there's anything in this you think is super-critical we
might be able to sneak it in.

thanks
-- PMM