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 5586CC624D4 for ; Thu, 3 Sep 2026 16:07:05 +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:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=21Jud5DHHmxLTrULHsEkVpy+ja0cGfYwieQZrEq5hoI=; b=YZpZ+qlL7eg80QbC2dwg7oGVBY R8jhOg+8CaJlPQzmqR/M8qFrHMFSH2xba99V7z45tyBg0HbqGeR+bwIr7BcjR+tQUvfprBf1adcAh R4Ig9bKT7ThFS8mo15n6cMjI1W3kmhSmLw8uXjGKOUAmaRAigK5ZYwxoKNACTdYcYk3i/SsJB4EZC 5ZKdCj+yZzr/h7gYIu0PWQlmkWE8a4T/geVYDiq7ORpiS8PHb8KSFXPBmgtADJbh/wn9+rbHD1tdK X4WQeaqJQ1MhSvi7qYxJsDcRDQZz2V9RmPrkzlxWTO0FzwLpNjoQKBvv4R9HglLcdAGanvxhyXeaz dhCGJU1A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x29xr-000000005HL-0NBb; Thu, 03 Sep 2026 16:06:59 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x29xm-000000005Be-3IJ6 for linux-arm-kernel@lists.infradead.org; Thu, 03 Sep 2026 16:06:55 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5ED751596; Thu, 3 Sep 2026 09:06:50 -0700 (PDT) Received: from e140010.cambridge.arm.com (e140010.arm.com [10.2.213.25]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 535C63F673; Thu, 3 Sep 2026 09:06:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1788451614; bh=IYyXPaD2XdK0iGsJ5jrFv2i/pbUyFXfVwjRaAB3XpoA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Grivi6jszekcIPalic01O2eraKmuo0GM5jNL3EGrS4orjaFKvo/NpHGcVVCkCSNil YLviMhVFXECzDKHQkbu4NJJmIFbu8YmqraWj4UlPvJiEygjf1Sa+VqgtcFzhnAaRCe yf+tBt5deD4uwh0kyIUW0CgUkzb1Giup1gIlju5c= From: Alexandru Elisei To: maz@kernel.org, oupton@kernel.org, fuad.tabba@linux.dev, joey.gouly@arm.com, seiden@linux.ibm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, will@kernel.org, mark.rutland@arm.com, linux-perf-users@vger.kernel.org, catalin.marinas@arm.com, james.clark@linaro.org Subject: [RFC PATCH v7 09/28] HACK! KVM: arm64: Enable SPE virtualization only in VHE mode Date: Thu, 3 Sep 2026 17:06:04 +0100 Message-ID: <20260903160623.315525-10-alexandru.elisei@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260903160623.315525-1-alexandru.elisei@arm.com> References: <20260903160623.315525-1-alexandru.elisei@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260903_090654_881874_07723697 X-CRM114-Status: GOOD ( 10.49 ) 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 For RFC only. Signed-off-by: Alexandru Elisei --- arch/arm64/kvm/spe.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kvm/spe.c b/arch/arm64/kvm/spe.c index 97160d1fae81..00908aa2576b 100644 --- a/arch/arm64/kvm/spe.c +++ b/arch/arm64/kvm/spe.c @@ -22,8 +22,8 @@ void kvm_spe_add_instance(struct arm_spe_pmu *spe_pmu) { struct spe_pmu_entry *entry; - /* TODO: pKVM support */ - if (is_protected_kvm_enabled()) + /* TODO: pKVM and nVHE support */ + if (is_protected_kvm_enabled() || !has_vhe()) return; guard(mutex)(&spe_pmus_lock); -- 2.43.0