From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DF07BD35174 for ; Wed, 1 Apr 2026 10:36:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=YNjQpWmaun4KzwokZektXaceWKJQTIN6FON8kkOIRjc=; b=V40q1YLZu3dHyq21eRcliJI2Xv zhegaxK/5/KCAUYSotnSgQFQ7HJ99UfDY3eZLrdlsxNIBhw3EVeevzOLcdUWIlL8PnmtTjVZ8oj1c WIMeWxp6ivi4iOIZwNwzVg2GxUNJQc6QZA9NcyHOVS99VEM4jgK9VN/xFdV2Hg4LgmySWEofxnDPF melabnWy8RGYkwV4P6bzUJ0KwYSk0Ylv+dEW9BJq0dznXyx0HeDarR0e4p4PbfNwWPraXi4ih2tAO PSR/021vZMvmK5YU8T6GFgxp4JLrusKOBHitLn2wj+f7y27qBZqiz4F58sWoKveM9BQ52lqmzpoWL if7tp5Og==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w7sw8-0000000EWGe-3LT2; Wed, 01 Apr 2026 10:36:36 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w7sw5-0000000EWBx-1aN0 for linux-arm-kernel@lists.infradead.org; Wed, 01 Apr 2026 10:36:33 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id B5DA46015B; Wed, 1 Apr 2026 10:36:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 819DFC2BC9E; Wed, 1 Apr 2026 10:36:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775039792; bh=tCagDxGfX64OrjM6zObYSFRfzhSvNvykWS0XRcrR0rQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DWR9bW+iPs3/2IeSxx+TfhxLe6EwPAHTZt3djdzrr9iOWLN6v/qZUB6wg8LSo7riQ ffTjLzRSTeXXVOa9KgPwrnJWNZN1OAKmD97r+5fRjlxfN0Dwa9HgvkUZaHIAEPh2WE 01Rpcaz0THHECF7iMnjBxnDtveyrbbaWk8Qw9SFRKi+MkXRCCquG3oQgkUOWHw8RQZ ZLLfCZeTn18S6bLTl0bUHDJmioh6gi3Jt6OhUZ1kglNdRrJP0thjhh0JjNUITYu67G Smw5wo8WgQkBcOvGyxZq71v9Yy6UQ3dPCxGw2Q6Zsbq0LNY/BSXePKyjtirsA05VPA euHc7HY4WOmeA== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1w7sw2-00000007oRQ-31R8; Wed, 01 Apr 2026 10:36:30 +0000 From: Marc Zyngier To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Sascha Bischoff , Mark Brown Subject: [PATCH v2 07/16] KVM: arm64: vgic-v5: Transfer edge pending state to ICH_PPI_PENDRx_EL2 Date: Wed, 1 Apr 2026 11:36:02 +0100 Message-ID: <20260401103611.357092-8-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260401103611.357092-1-maz@kernel.org> References: <20260401103611.357092-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, joey.gouly@arm.com, suzuki.poulose@arm.com, oupton@kernel.org, yuzenghui@huawei.com, sascha.bischoff@arm.com, broonie@kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org While it is perfectly correct to leave the pending state of a level interrupt as is when queuing it (it is, after all, only driven by the line), edge pending state must be transfered, as nothing will lower it. Reviewed-by: Sascha Bischoff Fixes: 4d591252bacb2 ("KVM: arm64: gic-v5: Implement PPI interrupt injection") Link: https://sashiko.dev/#/patchset/20260319154937.3619520-1-sascha.bischoff%40arm.com Signed-off-by: Marc Zyngier --- arch/arm64/kvm/vgic/vgic-v5.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kvm/vgic/vgic-v5.c b/arch/arm64/kvm/vgic/vgic-v5.c index 119d7d01d0e77..422741c86c6a8 100644 --- a/arch/arm64/kvm/vgic/vgic-v5.c +++ b/arch/arm64/kvm/vgic/vgic-v5.c @@ -445,8 +445,11 @@ void vgic_v5_flush_ppi_state(struct kvm_vcpu *vcpu) irq = vgic_get_vcpu_irq(vcpu, intid); - scoped_guard(raw_spinlock_irqsave, &irq->irq_lock) + scoped_guard(raw_spinlock_irqsave, &irq->irq_lock) { __assign_bit(i, pendr, irq_is_pending(irq)); + if (irq->config == VGIC_CONFIG_EDGE) + irq->pending_latch = false; + } vgic_put_irq(vcpu->kvm, irq); } -- 2.47.3