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

Michael Ellerman mpe at ellerman.id.au
Fri Aug 5 16:56:12 AEST 2016

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.


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



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