From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 9E7EB4AF670; Thu, 24 Sep 2026 16:06:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790265962; cv=none; b=oILdXM/3SzY/JmCBgnWX33BJocs3rs+H9FkYJX09tBhg/xU7XWm+ukXF6uOLj1nCEE6sCdiqf/cuLTcASD8GYhRcfKb09JXe5568cFNxPG8X/mfTFfa0B3NlgRR+HXx5kTFYwv+Af2Y97Mx73v3xIYcdGGZwfOhfJ5Uy6SleQTM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790265962; c=relaxed/simple; bh=RosB8NRTeZaidf7WIQy5/72KniYUL3pT9/e6vHv0efs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EoFCHQMwfKE6SUW6StKeKYRALZEHYVBrcD2+a9h57no294Fwto7LBiJ5HksvlupsYXsSEIM68Vf1ABmEA5jukSu6uI/7Z+VNZxjEzbH3euQR3LYucBjGpgjvkLymVAG2lDkJtVHBkmov7CXcw7FSem8GQNCu5u89ckPTk41fHjE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=Vll1Jx0i; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="Vll1Jx0i" 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 5684A1CE0; Thu, 24 Sep 2026 09:05:56 -0700 (PDT) Received: from ewhatever.cambridge.arm.com (ewhatever.cambridge.arm.com [10.2.197.99]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 7994B3F86C; Thu, 24 Sep 2026 09:05:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1790265959; bh=RosB8NRTeZaidf7WIQy5/72KniYUL3pT9/e6vHv0efs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Vll1Jx0io1INPQwoNKH2983r9hz0Hhn6LgJVkdXLc5+W3MOKnbjugXxyV2zaqec5H oxoJ4pLDAH8E44bfNSwBy2m8K5zSC8Pl6s9Fu5rUnfQlfNLWL2PHVAckz463eoTfaB rvBmb04PiFV0XcxggA6Jr1Qx5yPqelMblYQKbMHE= From: Suzuki K Poulose To: kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: maz@kernel.org, will@kernel.org, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, steven.price@arm.com, aneesh.kumar@kernel.org, oupton@kernel.org, gshan@redhat.com, joey.gouly@arm.com, tabba@google.com, yuzenghui@huawei.com, linux-coco@lists.linux.dev, gankulkarni@os.amperecomputing.com, sdonthineni@nvidia.com, alpergun@google.com, fj0570is@fujitsu.com, WeiLin.Chang@arm.com, lpieralisi@kernel.org, enju.kohei@fujitsu.com, sudeep.holla@arm.com, jonathan.cameron@oss.qualcomm.com, Suzuki K Poulose , Fuad Tabba Subject: [PATCH v20 09/22] KVM: arm64: Reuse kvm_stage2_unmap_range in kvm_unmap_gfn_range Date: Thu, 24 Sep 2026 17:04:51 +0100 Message-ID: <20260924160504.853911-10-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260924160504.853911-1-suzuki.poulose@arm.com> References: <20260924160504.853911-1-suzuki.poulose@arm.com> Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In preparation for adding VM specific backends for stage2 operation, switch to kvm_stage2_unmap_range() instead of __unmap_stage2_range() from the kvm_unmap_gfn_range(). Drop the bail out check for protected VMs and defer that to the one in kvm_stage2_unmap_range(). Later we would replace the logic in kvm_stage2_unmap_range() with VM specific backends. No functional changes intended. Reviewed-by: Fuad Tabba Reviewed-by: Jonathan Cameron Tested-by: Gavin Shan Signed-off-by: Suzuki K Poulose --- arch/arm64/kvm/mmu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 0f4e8b71fa85d..365e2a12c2348 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -2436,12 +2436,12 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu) bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range) { - if (!kvm->arch.mmu.pgt || kvm_vm_is_protected(kvm)) + if (!kvm->arch.mmu.pgt) return false; - __unmap_stage2_range(&kvm->arch.mmu, range->start << PAGE_SHIFT, - (range->end - range->start) << PAGE_SHIFT, - range->may_block); + kvm_stage2_unmap_range(&kvm->arch.mmu, range->start << PAGE_SHIFT, + (range->end - range->start) << PAGE_SHIFT, + range->may_block); kvm_nested_s2_unmap(kvm, range->may_block); return false; -- 2.43.0