From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Thu, 11 Feb 2016 15:45:26 +0000 Subject: [PATCH] irqchip/gic-v3-its: Fix double EOIR write for LPI in EOImode==1 In-Reply-To: <1455197933-26141-1-git-send-email-ashoks@broadcom.com> References: <1455197933-26141-1-git-send-email-ashoks@broadcom.com> Message-ID: <56BCAC96.7040509@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 11/02/16 13:38, Ashok Kumar wrote: > CPU receives SError exception EOI1_NO_INTS_ACTIVE when EOIR > is written twice in gic_handle_irq and in its_eoi_irq for a > single LPI in EOImode == 1. > > Now irq_eoi of its_irq_chip calls parent irqchip's(gic_eoimode1_chip/gic_chip) > irq_eoi handler which handles EOImode 0 and 1 separately. > > This is introduced by > commit 0b996fd35957a ("irqchip/GICv3: Convert to EOImode == 1") > > Signed-off-by: Ashok Kumar Ah, really good catch! Acked-by: Marc Zyngier I'll try to queue that for -rc4, but it is more likely that it will land in -rc5... Thanks, M. -- Jazz is not dead. It just smells funny...