Re: [Xen-devel] [PATCH v4 5/6] xen/x86: add PHYSDEVOP_msi_set_enable

[Marek Marczykowski <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

On Thu, Feb 28, 2019 at 01:25:50PM +0100, Marek Marczykowski wrote:
> On Thu, Feb 28, 2019 at 03:58:37AM -0700, Jan Beulich wrote:
> > Another thing: You're also bypassing the MSI{,-X}-already-enabled
> > checks that __pci_enable_msi{,x}() do, yet allowing to enable both
> > on a device would be a security issue.
> 
> Ok.

Hmm, could you explain more? Is that only the case when interrupt
remapping is missing?


-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?

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