From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dy1-f174.google.com (mail-dy1-f174.google.com [74.125.82.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C21B13E5A17 for ; Tue, 6 Oct 2026 10:29:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791282596; cv=none; b=Cdn9WswvNTHCsCtgckGU52k4Uftmim9r9sfJAe+YADKhWcw5YGYLubZaX+15Hgl8MU1bOTjVFMMNlCh4ZZqLhsxzJRkFqsmxu0RF3Y8OEhTUP+orGsOAt8ZZ4eE7zPYi6ug8yqlkIka1eKKkB56fqpol9XVPq+gyJ+7+ljtGwLA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791282596; c=relaxed/simple; bh=ieMns+VuICSUp9NXlt0XX34aaudxaGmdtmEZKYAoATQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=JTIKX3WxFVThsz7PONX+ufsNCmBlIWkxXiNn3iHj2RnkcXHD//SZsmGn4G8lH2m1WA0rM9rY5vJZj9e+Nd2npJINi8rk5CbJhof16f16hEWDfBYszD51/qWmh/FCbhih1TSfIivY7NnEnkZlHFdFOdC0EsAdgTPtPGHu8oS1WPk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=X/ybWh/0; arc=none smtp.client-ip=74.125.82.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="X/ybWh/0" Received: by mail-dy1-f174.google.com with SMTP id 5a478bee46e88-30b6dad2382so773972eec.0 for ; Tue, 06 Oct 2026 03:29:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1791282594; x=1791887394; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=gvsvTbnvAWg2QlsgwTzrwLWl+8GGTvt/3AFTkgMeK8Q=; b=X/ybWh/0wAbmBczTbMSqSYeJVdABhMnO8cWo858CQVRZN7lCVMZmHF69oZemxaAHoK 8dNV89kMzKls9x77DGj19qBk32h3RuNsN9tsoys9x4cLe2IQWqhkkWiOClfsPfmHI+Ug oCWLVPtCuewuUuvGpfhv2wn1v8wJAPX2u+GMEfiAn0Lyyv7dIP0flK5EzZFWq/N4wAGX RvP6ZN2jg2bNYBhlEL257e7yvfBbTEACCw24qV3bhkrYHVDxgzmEsX1poo+BlfYlgnmI iDDvIegts+11GuAb/0ZkrKaNQJsRg0OVEHfJcL0F+0eAg2VMKFCWwotMhZ3asvksvizA yV7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791282594; x=1791887394; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=gvsvTbnvAWg2QlsgwTzrwLWl+8GGTvt/3AFTkgMeK8Q=; b=X0G9i3AJFpsYxe8PlzflRkF9fnUGOeE5PWA7+cz+goWV20v1utizYjxu0gt0XVWFgO pVFtb61NtCKaMUcuTAYKduaK8t7nm2hNNLLTUPkTvRNOfwDHM6xre05qOupveCHcA5QR 9vaYeFtI7vrDkgq621mQh09eIPyYG6IokB2f9rdHtlg5IsOBXEs3nGyD5k0Fk27kJNvO h7CKMbTDoLXuQ/dJGrajxzKnwz81n1U9BquAphrp5/A6e6uWDLW9gy+3C+/rcU4BQsIN 6Es94faq0BwAcd7zXwUKCLFH1ERNqa2NUJsmF6NIEwkV6GfPDtJgBvnA3BREA4rd/bqH qYMw== X-Forwarded-Encrypted: i=1; AKwUvBwKaGyc96vSXuN3bJKo/2l/rcQHvWxEZQcI02q+WkblRryx+ktOcvtYWLVsmiDU38mQ3NxBxIjrWQwZiZ8=@vger.kernel.org X-Gm-Message-State: AFq9FYIckk5z2oc+WDeNtjNnTOPwFOp85DWIdogPalFWO7FL/JBG0eCC RoCDbFuCZ8DAHxAeb7Y4NjfNnyDAtZ6w8+wguMGdt7mJiB0fwu1/vGic X-Gm-Gg: AYBFou3TUmQZ5nRvnVXTCRbs718PHQSM4rQy5deCuwM64fqDsG3+Pi9e3UgqLdHZB8p cEiiBSrnj4QbL5Ti7c5QEulaiN7AmZx5avyDSupQDthX2QBeiG6CxMhZ2iy7SHFdiXk7OmyNdnX 6tQIs2w37AHxUZp3nyR2BKMdUQt0eeT/X14rCebayCN77wPg6kAw8+5TDHKyugTIlD+ruPfFNpS sSNem3VYnddEVb1z3Vb1MKYV6WEe9RiSzSyPJSbMmSq1EoYccMh4pT7ieqJqoy/sDM6ePzA9ISn HTrXHdqyoVEkCfPrDoJ2v0nTEue1Kde0zgyq60Rc089Zg2rAFQlrWSDzPZd4uSegXVoZUBfOXl/ RZ05m6/4GgD4dsRrGLiKhOEEKzZ11voNiC5fxZMdI1UWC1T1CdOa99AdrPx4GNDzVUxj3ApmWNe JEgcrkQckIPwAYm6NJJNL7tTnS0gA/xuyg2sol5HTXe6Uf/8KKwNBKskte9imrb2ObC/G1qhv8P 2UH7ZmQn91PkQG9btQBkhzuUNVDHNJaTvL2MZKHw0PnQyL7Mu7h1D2D08Dj X-Received: by 2002:a05:7300:ea10:b0:34e:caae:20f5 with SMTP id 5a478bee46e88-3514e2f1dbdmr892976eec.30.1791282593578; Tue, 06 Oct 2026 03:29:53 -0700 (PDT) Received: from pve-server.rlab ([49.205.216.49]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-351469fa189sm7443970eec.6.2026.10.06.03.29.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Oct 2026 03:29:52 -0700 (PDT) From: "Ritesh Harjani (IBM)" To: kvm@vger.kernel.org, Sean Christopherson Cc: Paolo Bonzini , linuxppc-dev@lists.ozlabs.org, Michael Ellerman , Christophe Leroy , Anushree Mathur , Venkat Rao Bagalkote , Harsh Prateek Bora , Madhavan Srinivasan , Shrikanth Hegde , linux-kernel@vger.kernel.org, "Ritesh Harjani (IBM)" Subject: [PATCH v7 2/8] KVM: selftests: Move memslot_perf_test off the 256M ELF load address Date: Tue, 6 Oct 2026 15:58:36 +0530 Message-Id: <11b5712b213b7359bbf3bad32601e4373dac43bc.1791280439.git.ritesh.list@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit KVM selftests are built with -fno-PIE/-no-pie so the binary uses fixed load addresses. On powerpc64, GNU ld default links at 0x10000000 (256M) which is also the MEM_GPA, so the identity map trips with the error: PTE already present at level: 4 gva: 0x10000000 pte:0xc00000000002018f Put the test slots at 512M instead which is past the ELF. e.g. failure w/o this fix: ./memslot_perf_test -s 514 Random seed: 0x423558ef Testing map performance with 1 runs, 5 seconds each ==== Test Assertion Failure ==== lib/powerpc/processor.c:235: !pte pid=371 tid=371 errno=2 - No such file or directory 1 0x0000000010018293: virt_arch_pg_map at processor.c:235 2 0x0000000010008b3f: virt_pg_map at kvm_util.h:1325 3 (inlined by) virt_map at kvm_util.c:1571 4 0x0000000010001cab: prepare_vm at memslot_perf_test.c:353 5 (inlined by) test_execute at memslot_perf_test.c:816 6 (inlined by) test_loop at memslot_perf_test.c:1062 7 (inlined by) main at memslot_perf_test.c:1136 8 0x000000001001d713: __libc_start_call_main at libc-start.o:? 9 0x000000001001db47: __libc_start_main_impl at ??:? PTE already present at level: 4 gva: 0x10000000 pte:0xc00000000002018f Tested-by: Anushree Mathur Signed-off-by: Ritesh Harjani (IBM) --- tools/testing/selftests/kvm/memslot_perf_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/memslot_perf_test.c b/tools/testing/selftests/kvm/memslot_perf_test.c index 844ea9b7bb41..2913a4de4cc9 100644 --- a/tools/testing/selftests/kvm/memslot_perf_test.c +++ b/tools/testing/selftests/kvm/memslot_perf_test.c @@ -30,7 +30,7 @@ #define MEM_EXTRA_SIZE SZ_64K #define MEM_SIZE (SZ_512M + MEM_EXTRA_SIZE) -#define MEM_GPA SZ_256M +#define MEM_GPA SZ_512M #define MEM_AUX_GPA MEM_GPA #define MEM_SYNC_GPA MEM_AUX_GPA #define MEM_TEST_GPA (MEM_AUX_GPA + MEM_EXTRA_SIZE) -- 2.39.5