[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v4 5/6] xen/x86: add PHYSDEVOP_msi_set_enable
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? Attachment:
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