From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from esa4.hc1455-7.c3s2.iphmx.com (esa4.hc1455-7.c3s2.iphmx.com [68.232.139.117]) (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 B0A32446BE2; Wed, 2 Sep 2026 23:08:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.139.117 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788390502; cv=none; b=kDkrZoRGQMbpnBKsb87PhF2h52jaGxoetdQ2ZuyrAIECfTij9wEZEHnR9HtMefEGqFcPH6AJDMCPwmdVSm9Re5TFMBY7FaY4hymYYdgvA+AnLRViz0VA/kdBJwBRZWmShSOqYR5aHvx/TcbIhxoyLW4qgeB5WiYvu7Ztkose8aA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788390502; c=relaxed/simple; bh=DGhH14+yE9nyt5xO4fYtNZdDfh3D8lYk97bpxGHpfRM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=QiPzC47ZRg5sS2WKJe5tz7kk4b8an0NE5ZyYmUhyKNbeMHNfpgRzbARRFFkgKIF7ilAgz7/UyRDXO4cuOncSn8a5DzZmXBjKBy9MXB2cj434bZBlJp5LmuKS6t2diUleWCYfiz55cX8MX2p+9uxBcGRfCZkOmls/j3ri+yFVuhw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=fujitsu.com; spf=pass smtp.mailfrom=fujitsu.com; dkim=pass (2048-bit key) header.d=fujitsu.com header.i=@fujitsu.com header.b=U59Jkwze; arc=none smtp.client-ip=68.232.139.117 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=fujitsu.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fujitsu.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=fujitsu.com header.i=@fujitsu.com header.b="U59Jkwze" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=fujitsu.com; i=@fujitsu.com; q=dns/txt; s=fj2; t=1788390500; x=1819926500; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=DGhH14+yE9nyt5xO4fYtNZdDfh3D8lYk97bpxGHpfRM=; b=U59JkwzefbD57r91iBckA1HVmS/f31sejDjzK1Y2hYO8Q1RfUEEsYA0e E/niD/pcnFjk9wD8CjpptxyonuaxFyQlFRs3sM0qOYuL1aZos7BsD/sUJ LBt/WZ5XYLcYYnOhj6ZgFo43WQAihS2Go+0rTjlOk7EgqlVRYG+UlGGzJ z8nA9P1S5ZRbgjyt6JFuRON3I3V6DMqiEXpqfKo0I2UlueZk1MoFFUYtd 7hIcRSd2aCEc0S8psllE44QcT7XYMFVxvNJpK8AFat5Y4aftMCaETc2s+ JxizLx0KV3jj0PRqjZo2jJh6PqRJR+SEgOLfk/yuzd/alflqDczEhb0Lz Q==; X-CSE-ConnectionGUID: oxy3mm0NQIyNPdCOARCY1g== X-CSE-MsgGUID: +Fnab+qGRu+osDgHOEkbaw== X-IronPort-AV: E=McAfee;i="6800,10657,11894"; a="253116932" X-IronPort-AV: E=Sophos;i="6.25,258,1779116400"; d="scan'208";a="253116932" Received: from gmgwuk01.global.fujitsu.com ([172.187.114.235]) by esa4.hc1455-7.c3s2.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2026 08:07:07 +0900 Received: from az2uksmgm4.o.css.fujitsu.com (unknown [10.151.22.201]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by gmgwuk01.global.fujitsu.com (Postfix) with ESMTPS id C55881002B8B; Wed, 2 Sep 2026 23:07:07 +0000 (UTC) Received: from az2nlsmom2.o.css.fujitsu.com (unknown [10.150.26.200]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by az2uksmgm4.o.css.fujitsu.com (Postfix) with ESMTPS id 6DFA31400391; Wed, 2 Sep 2026 23:07:07 +0000 (UTC) Received: from sm-arm-grace07 (unknown [10.124.178.20]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by az2nlsmom2.o.css.fujitsu.com (Postfix) with ESMTPS id 9805E18021BF; Wed, 2 Sep 2026 23:06:57 +0000 (UTC) Date: Thu, 3 Sep 2026 08:06:54 +0900 From: Itaru Kitayama To: Sean Christopherson Cc: Marc Zyngier , Oliver Upton , Paolo Bonzini , Tianrui Zhao , Bibo Mao , Huacai Chen , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Fuad Tabba , Joey Gouly , Steffen Eiden , Suzuki K Poulose , Zenghui Yu , Atish Patra , Alexandre Ghiti , David Hildenbrand , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, loongarch@lists.linux.dev, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Nicholas Piggin , Ritesh Harjani Subject: Re: [PATCH v2 00/20] KVM: selftests: PPC pre-enabling Message-ID: References: <20260902164123.2546762-1-seanjc@google.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260902164123.2546762-1-seanjc@google.com> On Wed, Sep 02, 2026 at 09:41:03AM -0700, Sean Christopherson wrote: > This is a big pile of cleanups and refactoring to prepare for PPC support in > KVM selftests. PPC has paging modes that require multi-page page tables, and > those page tables need to be naturally aligned. The original proposal was to > plumb in an @align param to the page allocators[*], but I didn't love the idea > of adding another rarely used param to the allocators. > > v2: > - Collect tags. [Itaru, Bibo] I ran kvm_page_table_test for arm64 again it went ok on HW. Tested-by: Itaru Kitayam Thanks, Itaru. > - Use 0x180000 as the min GPA for page table pages on LoongArch, instead of > changing every other arch to use 0x200000. [Sashiko, Bibo] > - Opportunistically move the vGIC LPI stress test's global "gpa_base" variable > into setup_memslot(). [Sashiko] > > v1: https://lore.kernel.org/all/20260826230511.972824-1-seanjc@google.com > > [*] https://lore.kernel.org/all/df86b5ccdbdafc3509d9538bd5e6796737bab2db.1781093720.git.ritesh.list@gmail.com > > Nicholas Piggin (1): > KVM: selftests: Use goto instead of do-while to retry finding unused > physical pages > > Sean Christopherson (19): > KVM: selftests: Use MEM_REGION_PT memslot instead of '0' for s390 > regions/segments > KVM: selftests: Use the common minimum GPA for page tables on > LoongArch > KVM: selftests: Use vm_alloc_page_table() to allocate LoongArch page > tables > KVM: selftests: Rename "num" param to "nr_pages" for physical page > allocators > KVM: selftests: Extend page allocator to support naturally aligned > allocations > KVM: selftests: Make the single-page allocator APIs static inline > KVM: selftests: Use the innermost page allocator API in the memslot > perf test > KVM: selftests: Use the innermost page allocator API in s390's IRQ > routing test > KVM: selftests: Add a wrapper API to allocate multiple page table > pages > KVM: selftests: Initialize vm->memslots[] with invalid memslots during > creation > KVM: selftests: Add APIs to override memory region types with custom > memslots > KVM: selftests: Add TEST_EXTRA memory region type for "special" > memslots > KVM: selftests: Use TEST_EXTRA region in arm64's vGIC LPI stress test > KVM: selftests: Use TEST_EXTRA region in x86's smaller MAXPHYADDR test > KVM: selftests: Use TEST_EXTRA region in set memory region test > KVM: selftests: Take the memory region type, not memslot, in page > allocators > KVM: selftests: Use TEST_ASSERT(), not assert(), in > vm_get_mem_region() > KVM: selftests: Automatically pick min_gpa for allocations based on > region type > KVM: selftests: Add arch hook to force page tables to be naturally > aligned > > .../selftests/kvm/arm64/page_fault_test.c | 18 ++- > .../selftests/kvm/arm64/vgic_lpi_stress.c | 21 ++- > .../testing/selftests/kvm/include/kvm_util.h | 106 +++++++++++++-- > tools/testing/selftests/kvm/include/x86/smm.h | 2 +- > .../selftests/kvm/lib/arm64/processor.c | 4 +- > tools/testing/selftests/kvm/lib/kvm_util.c | 127 +++++++++++------- > .../selftests/kvm/lib/loongarch/processor.c | 5 +- > .../selftests/kvm/lib/riscv/processor.c | 4 +- > .../selftests/kvm/lib/s390/processor.c | 7 +- > .../testing/selftests/kvm/lib/x86/processor.c | 15 ++- > .../testing/selftests/kvm/memslot_perf_test.c | 3 +- > tools/testing/selftests/kvm/s390/cmma_test.c | 19 +-- > .../testing/selftests/kvm/s390/irq_routing.c | 2 +- > .../selftests/kvm/set_memory_region_test.c | 8 +- > .../x86/smaller_maxphyaddr_emulation_test.c | 9 +- > 15 files changed, 221 insertions(+), 129 deletions(-) > > > base-commit: 76671054f9a1ff6abb976583cd8da37650acdc97 > -- > 2.55.0.966.g6673acef38-goog >