[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <361dec80-081e-c796-2052-71d006b84ffc@marvell.com>
Date: Tue, 17 Jul 2018 21:07:36 +0300
From: Hanna Hawa <hannah@...vell.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
CC: Jonathan Corbet <corbet@....net>,
David Miller <davem@...emloft.net>,
"Eric Dumazet" <edumazet@...gle.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Josef Griebichler <griebichler.josef@....at>,
Hannes Frederic Sowa <hannes@...hat.com>,
Jesper Dangaard Brouer <jbrouer@...hat.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux Media Mailing List <linux-media@...r.kernel.org>,
USB list <linux-usb@...r.kernel.org>,
"Mauro Carvalho Chehab" <mchehab@...pensource.com>,
Ingo Molnar <mingo@...nel.org>,
Network Development <netdev@...r.kernel.org>,
Paolo Abeni <pabeni@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
Rik van Riel <riel@...hat.com>,
Alan Stern <stern@...land.harvard.edu>,
dma <dmaengine@...r.kernel.org>, <vkoul@...nel.org>,
Dan Williams <dan.j.williams@...el.com>, <nadavh@...vell.com>,
<thomas.petazzoni@...tlin.com>, <omrii@...vell.com>
Subject: Re: dvb usb issues since kernel 4.9
Hi Linus,
On 07/17/2018 08:09 PM, Linus Torvalds wrote:
> On Tue, Jul 17, 2018 at 4:58 AM Hanna Hawa <hannah@...vell.com> wrote:
>>
>> After some debug/bisect/diff, found that patch "softirq: Let ksoftirqd
>> do its job" is problematic patch.
>
> Ok, this thread died down without any resolution.
>
>> - Using v4.14.0 (including softirq patch) and the additional fix
>> proposed by Linus - no timeout issue.
>
> Are you talking about the patch that made HI_SOFTIRQ and
> TASKLET_SOFTIRQ special, and had this:
>
> #define SOFTIRQ_NOW_MASK ((1 << HI_SOFTIRQ) | (1 << TASKLET_SOFTIRQ))
>
> in it?
yes, exactly..
Link to the patch:
https://git.linuxtv.org/mchehab/experimental.git/commit/?h=v4.15%2bmedia%2bdwc2&id=ccf833fd4a5b99c3d3cf2c09c065670f74a230a7
Thanks,
Hanna
>
> I think I'll just commit the damn thing. It's hacky, but it's simple,
> and it never got applied because we had smarter suggestions. But the
> smarter suggestions never ended up being applied either, so..
>
> Linus
>
Powered by blists - more mailing lists