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SubjectRe: [PATCH] Revert "usb: core: remove local_irq_save() around ->complete() handler"

On 01.06.19 00:05, Greg Kroah-Hartman wrote:
> On Fri, May 31, 2019 at 11:53:40PM +0200, Soeren Moch wrote:
>> This reverts commit ed194d1367698a0872a2b75bbe06b3932ce9df3a.
>> In contrast to the original patch description, apparently not all handlers
>> were audited properly. E.g. my RT5370 based USB WIFI adapter (driver in
>> drivers/net/wireless/ralink/rt2x00) hangs after a while under heavy load.
>> This revert fixes this.
> Why not just fix that driver? Wouldn't that be easier?
I suspect there are more drivers to fix. I only tested WIFI sticks so
far, RTL8188 drivers also seem to suffer from this. I'm not sure how to
fix all this properly, maybe Sebastian as original patch author can help
This patch is mostly for -stable, to get an acceptable solution quickly.
It was really annoying to get such unstable WIFI connection over the
last three kernel releases to my development board.  Since my internet
service provider forcefully updated my router box 3 weeks ago, I
unfortunately see the same symptoms on my primary internet access.
That's even worse, I need to reset this router box every few days. I'm
not sure, however, that this is caused by the same problem, but it feels
like this.
So can we please fix this regression quickly and workout a proper fix
later? In the original patch there is no reason given, why this patch is
necessary. With this revert I at least see a stable connection.


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