[PATCH] powerpc/xics: Properly set Edge/Level type and enable resend

[Michael Ellerman]

Benjamin Herrenschmidt <benh at kernel.crashing.org> writes:

> On Thu, 2016-08-04 at 14:40 +1000, Michael Ellerman wrote:
>> > Finally now that edge interrupts are properly identified, we can enable
>> > CONFIG_HARDIRQS_SW_RESEND which will make the core re-send them if
>> > they occur while masked, which some drivers rely upon.
>> >
>> > This fixes issues with lost interrupts on some Mellanox adapters.
>> >
>> > > Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
>> 
>> Broken since forever?
>> 
>> Cc stable?
>
> Broken since forever but I want a bit more testing before that goes to
> stable. Some drivers like Mellanox had a workaround but they want to
> remove it.

OK.

I've put it in fixes-test (should end up in fixes), and added it to my
"probably for stable" list:

  https://github.com/linuxppc/linux/issues/51


cheers