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Date:	Tue, 6 Oct 2015 18:31:07 +0300
From:	Vlad Zolotarov <>
To:	"Michael S. Tsirkin" <>,
	Gleb Natapov <>
Cc:	Greg KH <>,
	Bruce Richardson <>,,,,,,,
Subject: Re: [PATCH v3 1/3] uio: add ioctl support

On 10/06/15 18:19, Michael S. Tsirkin wrote:
> On Tue, Oct 06, 2015 at 05:30:31PM +0300, Gleb Natapov wrote:
>> On Tue, Oct 06, 2015 at 05:19:22PM +0300, Michael S. Tsirkin wrote:
>>> On Tue, Oct 06, 2015 at 11:33:56AM +0300, Vlad Zolotarov wrote:
>>>> the solution u propose should be a matter of a separate patch and is
>>>> obviously orthogonal to this series.
>>> Doesn't work this way, sorry. You want a patch enabling MSI merged,
>>> you need to secure the MSI configuration.
>> MSI can be enabled right now without the patch by writing directly into
>> PCI bar.
> By poking at config registers in sysfs? We can block this, or we
> can log this, pretty easily. We don't ATM but it's not hard to do.
>> The only thing this patch adds is forwarding the interrupt to
>> an eventfd.
> This one just adds a bunch of ioctls. The next ones do
> more than you describe.

This one adds zero ioctls and the next one does exactly what Gleb 

>> --
>> 			Gleb.

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