On 22/09/2020 12:01, Arnd Bergmann wrote:
> On Tue, Sep 22, 2020 at 9:59 AM Pavel Begunkov wrote:
>> On 22/09/2020 10:23, Arnd Bergmann wrote:
>>> On Tue, Sep 22, 2020 at 8:32 AM Pavel Begunkov
>>> wrote:
>>>> On 22/09/2020 03:58, Andy Lutomirski wrote
On 22/09/2020 10:23, Arnd Bergmann wrote:
> On Tue, Sep 22, 2020 at 8:32 AM Pavel Begunkov wrote:
>> On 22/09/2020 03:58, Andy Lutomirski wrote:
>>> On Mon, Sep 21, 2020 at 5:24 PM Pavel Begunkov
>>> wrote:
>>> I may be looking at a different kernel tha
On 22/09/2020 03:58, Andy Lutomirski wrote:
> On Mon, Sep 21, 2020 at 5:24 PM Pavel Begunkov wrote:
>>>>>>> Ah, so reading /dev/input/event* would suffer from the same issue,
>>>>>>> and that one would in fact be broken by your patch in the hypoth
On 22/09/2020 02:51, Andy Lutomirski wrote:
> On Mon, Sep 21, 2020 at 9:15 AM Pavel Begunkov wrote:
>>
>> On 21/09/2020 19:10, Pavel Begunkov wrote:
>>> On 20/09/2020 01:22, Andy Lutomirski wrote:
>>>>
>>>>> On Sep 19, 2020, at 2:16 PM, Arnd
a submitter. The exception is SQPOLL
mode, but it requires CAP_SYS_ADMIN or CAP_SYS_NICE anyway.
> I suspect there are some really horrid security holes in that area.
>
> David.
>
> -
> Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1
> 1PT, UK
> Registration No: 1397386 (Wales)
>
--
Pavel Begunkov
ess, you don't get to use io_uring. Would
> any real users actually care about that?
There were .net and\or wine (which AFAIK often works in compat) guys
experimenting with io_uring, they might want it.
--
Pavel Begunkov
to IORING_OP_READV32 and then the core
>> code can know what that user pointer is pointing to.
--
Pavel Begunkov
On 21/09/2020 19:10, Pavel Begunkov wrote:
> On 20/09/2020 01:22, Andy Lutomirski wrote:
>>
>>> On Sep 19, 2020, at 2:16 PM, Arnd Bergmann wrote:
>>>
>>> On Sat, Sep 19, 2020 at 6:21 PM Andy Lutomirski wrote:
>>>>> On Fri, Sep 18, 2020 at 8:1
> As for the other direction: what exactly are the desired bitness/arch
> semantics of io_uring? Is the operation bitness chosen by the io_uring
> creation or by the io_uring_enter() bitness?
It's rather the second one. Even though AFAIR it wasn't discussed
specifically, that how it works now (_partially_).
--
Pavel Begunkov
an #include is missing.
>>>
>>> Huh weird how the build bots didn't catch that. Does the below work?
>>
>> Yes it works, thanks.
>
> Thanks for reporting and testing, I've queued it up with your reported
> and tested-by.
>
My bad, thanks for the report and fixing.
--
Pavel Begunkov
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