From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3s4lMM11sRzDqSB for ; Thu, 4 Aug 2016 19:41:50 +1000 (AEST) Message-ID: <1470303695.12584.142.camel@kernel.crashing.org> Subject: Re: [PATCH] powerpc/xics: Properly set Edge/Level type and enable resend From: Benjamin Herrenschmidt To: Michael Ellerman , linuxppc-dev@lists.ozlabs.org Date: Thu, 04 Aug 2016 19:41:35 +1000 In-Reply-To: <87twf1f8pj.fsf@concordia.ellerman.id.au> References: <1470105583.12584.5.camel@kernel.crashing.org> <87twf1f8pj.fsf@concordia.ellerman.id.au> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 > > 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.