From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 DE2183A8FE6 for ; Thu, 5 Mar 2026 14:46:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772721968; cv=none; b=UAinvLhWbnn7jEv8ZXTIC+sRQ3ktuZpgccAWXPydSvPtZzmG3hC8QThTv2GPGWcTWhY0dquJkZ48nmRu3f9peO/WmsaM5dp77/3ptj0HSlesp8LhdKApyFzqIINLcF6Ae2KszVQdHnPZ95RLxSF2UaXfZ+7IzfI8LWjtplgGL8c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772721968; c=relaxed/simple; bh=SYRALiYS850xWg3rAEJIWtzEkjEK13L1b+03ZuBiGOg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=D+hQd49SEKPgBw1wqT7fWw2yMtPNVejjmQJgux5Xsi2RrOfSMLXkC5f7JYvz2nxu6lwxeGA+RxkcCWwaPGTNAb+clHZ0lN2XvOEBs8VaPilv/ExIcv2HzmKYCFazciTpWS8c7m8rLRuGT8zPEbgPwS+YHSj4KWiwPwvyLz4IwVc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UpmF5Zy/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UpmF5Zy/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A28ACC2BC9E; Thu, 5 Mar 2026 14:46:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772721968; bh=SYRALiYS850xWg3rAEJIWtzEkjEK13L1b+03ZuBiGOg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UpmF5Zy/daE6Nkfntxh7G+lAf6dZpU/vKMiAoDUmCu7QmcHumq/D/HXmz9JLy5oue OnGSomm0TF5SEyLwx8fe+fx5GIwDNRBiLAhWcuDRorGNnpzgMk/Bej42JY05Vp7jii 6Miujf/FU1sCLs25UefzCrcdhXH7fB1W+1G8qrixwPWTcc2/4v9Dg3w+qZL+3QtOY+ igP/ijJA9om6WhOF1fklTKdRFGxfZKZOZKKMVTJsZKdV7vEypYPVkAOTdLy8oulI+G vDTWeNT2kmnUjzZmABr0NK5iHzVC/I1sJBwbQQJuAdcS/fG8Bj/AObyO1HvbpbPzXi NCZCP//3Lsr2Q== From: Will Deacon To: kvmarm@lists.linux.dev Cc: linux-arm-kernel@lists.infradead.org, Will Deacon , Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Quentin Perret , Fuad Tabba , Vincent Donnefort , Mostafa Saleh , Alexandru Elisei Subject: [PATCH v3 34/36] KVM: arm64: Extend pKVM page ownership selftests to cover forced reclaim Date: Thu, 5 Mar 2026 14:43:47 +0000 Message-ID: <20260305144351.17071-35-will@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260305144351.17071-1-will@kernel.org> References: <20260305144351.17071-1-will@kernel.org> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Extend the pKVM page ownership selftests to forcefully reclaim a donated page and check that it cannot be re-donated at the same IPA. Signed-off-by: Will Deacon --- arch/arm64/kvm/hyp/nvhe/mem_protect.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c index 1f461a0e9a77..de224e4ffeeb 100644 --- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c +++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c @@ -1813,8 +1813,20 @@ void pkvm_ownership_selftest(void *base) assert_transition_res(-EPERM, __pkvm_hyp_donate_host, pfn, 1); selftest_state.host = PKVM_PAGE_OWNED; - selftest_state.guest[0] = PKVM_NOPAGE; - assert_transition_res(0, __pkvm_host_reclaim_page_guest, gfn, vm); + selftest_state.guest[0] = PKVM_POISON; + assert_transition_res(0, __pkvm_host_force_reclaim_page_guest, phys); + assert_transition_res(-EPERM, __pkvm_host_donate_guest, pfn, gfn, vcpu); + assert_transition_res(-EPERM, __pkvm_host_share_guest, pfn, gfn, 1, vcpu, prot); + + selftest_state.host = PKVM_NOPAGE; + selftest_state.guest[1] = PKVM_PAGE_OWNED; + assert_transition_res(0, __pkvm_host_donate_guest, pfn, gfn + 1, vcpu); + + selftest_state.host = PKVM_PAGE_OWNED; + selftest_state.guest[1] = PKVM_NOPAGE; + assert_transition_res(0, __pkvm_host_reclaim_page_guest, gfn + 1, vm); + assert_transition_res(-EPERM, __pkvm_host_donate_guest, pfn, gfn, vcpu); + assert_transition_res(-EPERM, __pkvm_host_share_guest, pfn, gfn, 1, vcpu, prot); selftest_state.host = PKVM_NOPAGE; selftest_state.hyp = PKVM_PAGE_OWNED; -- 2.53.0.473.g4a7958ca14-goog