From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-173.mta0.migadu.com (out-173.mta0.migadu.com [91.218.175.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B9ABE28C5BF for ; Fri, 30 May 2025 23:06:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748646404; cv=none; b=FV5KGcV++VSqNuctiMNhToNZElbNtVtLwYpV4/OiLXn99YOGvhucvjL38EKF9QK6Ur8gx9davfIrZdm0dr6KJwCIk41sBiS+g512VLJKuKK+vMWAu9u8lip+zOhLkWlSw3RkA8FtHNGyPV7Di99lqtS1Jw5zYryZSCkOTf09eUs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748646404; c=relaxed/simple; bh=aUt8fXL0AH/BVeclhW6hx7CDrokRoa9QZKfyr/v40N4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=pUHmXG/u+rqV0sNWLTx2SRlO8HtJpuJiWGT5935KC2RrT37BbeKXRF7HaibWSBKllkg5EzTvdTjrI7/aYy2F0EAQw+i0fWzP9xDZF5U5viKkbq334h/NXvcashX+fyz1vg65y6hJlOSO7AAZadO5vvaW0g3HB8fOayzrr1pKTPM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=bNVagtwj; arc=none smtp.client-ip=91.218.175.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="bNVagtwj" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1748646401; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KLHGOUe8htugSzjobBtkUrXJUl92FR7hblGdKzPIFz4=; b=bNVagtwjJx4OyWUZ/HEQRKp7+oAa2nunxAGR1P24iCstffZ1ubejZU/yUG3PboAzC0H8gw BxLygv7aDbbJKbzfHtDZ67AhZRDArUJiwFP6yqxQgkV3JOOyHSMu8hKUMb9IkHVjfWpCCz MCiuv64/6UXLi579LlYOx/+G7oHPx0w= From: Oliver Upton To: kvmarm@lists.linux.dev Cc: Marc Zyngier , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Oliver Upton Subject: [PATCH 4/4] KVM: arm64: Treat vCPU with pending SError as runnable Date: Fri, 30 May 2025 16:06:23 -0700 Message-Id: <20250530230623.650888-5-oliver.upton@linux.dev> In-Reply-To: <20250530230623.650888-1-oliver.upton@linux.dev> References: <20250530230623.650888-1-oliver.upton@linux.dev> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Per R_VRLPB, a pending SError is a WFI wakeup event regardless of PSTATE.A, meaning that the vCPU is runnable. Sample VSE in addition to the other IRQ lines. Signed-off-by: Oliver Upton --- arch/arm64/kvm/arm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 5a4aca8082e7..c5c1b3ec0f7e 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -740,7 +740,8 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, */ int kvm_arch_vcpu_runnable(struct kvm_vcpu *v) { - bool irq_lines = *vcpu_hcr(v) & (HCR_VI | HCR_VF); + bool irq_lines = *vcpu_hcr(v) & (HCR_VI | HCR_VF | HCR_VSE); + return ((irq_lines || kvm_vgic_vcpu_pending_irq(v)) && !kvm_arm_vcpu_stopped(v) && !v->arch.pause); } -- 2.39.5