Thread (5 messages) flat view 5 messages, 3 authors, 2016-08-09

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

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2016-08-04 09:41:50

On Thu, 2016-08-04 at 14:40 +1000, Michael Ellerman wrote:
quoted
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.
quoted
Signed-off-by: Benjamin Herrenschmidt <benh@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.

Cheers,
Ben.
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