From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-186.mta1.migadu.com (out-186.mta1.migadu.com [95.215.58.186]) (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 95046165F16 for ; Tue, 25 Mar 2025 21:39:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.186 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742938796; cv=none; b=eiTSJmiPlsBUrXQEumtcH+w2yne4QHxQqpPtq9p8/tFDY14yY+xhXNh9On3yUhvpV03w6zI0nAAY4VrB1/CRPIt5ZCkmUwRDeYzY5HkeIWouMjsCrgi3ioxa/rACnhQDbI+HvrgjX3sh8AgL/GKr3X+SgsGWBrFG24oEF1k1c4Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742938796; c=relaxed/simple; bh=k3E1h/E7UVRzhvdDrvj8+tvzmX3dSxH0GgHSJs8JqdI=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=po+p0ghjR4pEVvUu47Z8JSGOLCkohYedgnjBtHEZ0wXDNq++vUfZaanv73h0sx1RNB/gcMetfuVR0nI/aRPlwcDQzZ6Aru46UuiwVs9izxZaj6L/LnpdhlLlushcMQizE03PXs3aTVdY+nQI0m2vrHmXjbbX/jhbJs59zQoKh3s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=v/k952Ay; arc=none smtp.client-ip=95.215.58.186 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="v/k952Ay" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1742938792; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=mByK3U9ks43MxbjsUGI4MqUdWykoyYidE7K05BaGj3I=; b=v/k952AygTxKU2zK1lpBI46x4uig5614TXskb12Ne87QjDB9Sr05uWNG0h4k3hohkU09DE FQRR3Ojijef1RLuQGDW2WEmnCC+gORrZ583QVSRNN02zpEdnQkeCKCNZVIdF1AHYV/uAOl 4i1BJw0kvQFb8rcZ6ILfLegC1IvaaWo= From: Oliver Upton To: kvmarm@lists.linux.dev Cc: kvm@vger.kernel.org, Will Deacon , Julien Thierry , Marc Zyngier , Alexandru Elisei , Andre Przywara , Oliver Upton Subject: [PATCH kvmtool 0/9] arm: Drop support for 32-bit kvmtool Date: Tue, 25 Mar 2025 14:39:30 -0700 Message-Id: <20250325213939.2414498-1-oliver.upton@linux.dev> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT The last stable kernel to support 32-bit KVM/arm is 5.4, which is on track for EOL at the end of this year. Considering this, and the fact that 32-bit KVM never saw much usage in the first place, it is probably time to toss out the coprolite. Of course, this has no effect on the support for 32-bit guests on 64-bit KVM. RFC: https://lore.kernel.org/kvmarm/20250314222516.1302429-1-oliver.upton@linux.dev/ RFC -> v1: - Collected Marc's Acks - Cleaned up some forgotten references to CONFIG_ARM (Alex) - Minor nits on includes, defines (Alex) Oliver Upton (9): Drop support for 32-bit arm arm64: Move arm64-only features into main directory arm64: Combine kvm.c arm64: Merge kvm-cpu.c arm64: Combine kvm-config-arch.h arm64: Move remaining kvm/* headers arm64: Move asm headers arm64: Rename top-level directory arm64: Get rid of the 'arm-common' include directory INSTALL | 9 +- Makefile | 40 +-- arm/aarch32/arm-cpu.c | 50 --- arm/aarch32/include/asm/kernel.h | 8 - arm/aarch32/include/asm/kvm.h | 311 ------------------ arm/aarch32/include/kvm/barrier.h | 10 - arm/aarch32/include/kvm/fdt-arch.h | 6 - arm/aarch32/include/kvm/kvm-arch.h | 18 - arm/aarch32/include/kvm/kvm-config-arch.h | 8 - arm/aarch32/include/kvm/kvm-cpu-arch.h | 24 -- arm/aarch32/kvm-cpu.c | 132 -------- arm/aarch32/kvm.c | 14 - arm/aarch64/include/kvm/fdt-arch.h | 6 - arm/aarch64/include/kvm/kvm-arch.h | 22 -- arm/aarch64/include/kvm/kvm-config-arch.h | 29 -- arm/aarch64/include/kvm/kvm-cpu-arch.h | 19 -- arm/aarch64/kvm.c | 212 ------------ arm/kvm-cpu.c | 153 --------- {arm/aarch64 => arm64}/arm-cpu.c | 4 +- {arm => arm64}/fdt.c | 4 +- {arm => arm64}/gic.c | 2 +- {arm => arm64}/gicv2m.c | 2 +- {arm/aarch64 => arm64}/include/asm/image.h | 0 {arm/aarch64 => arm64}/include/asm/kernel.h | 0 {arm/aarch64 => arm64}/include/asm/kvm.h | 0 {arm/aarch64 => arm64}/include/asm/pmu.h | 0 .../include/asm/sve_context.h | 0 .../arm-common => arm64/include}/gic.h | 0 {arm/aarch64 => arm64}/include/kvm/barrier.h | 0 .../include/kvm}/fdt-arch.h | 0 .../include/kvm}/kvm-arch.h | 8 +- .../include/kvm}/kvm-config-arch.h | 24 +- .../include/kvm}/kvm-cpu-arch.h | 10 +- .../arm-common => arm64/include}/pci.h | 0 .../arm-common => arm64/include}/timer.h | 0 {arm => arm64}/ioport.c | 0 {arm/aarch64 => arm64}/kvm-cpu.c | 289 ++++++++++++---- {arm => arm64}/kvm.c | 209 +++++++++++- {arm => arm64}/pci.c | 4 +- {arm/aarch64 => arm64}/pmu.c | 2 +- {arm/aarch64 => arm64}/pvtime.c | 0 {arm => arm64}/timer.c | 4 +- builtin-run.c | 2 +- hw/cfi_flash.c | 2 +- hw/rtc.c | 2 +- hw/serial.c | 2 +- virtio/core.c | 2 +- 47 files changed, 498 insertions(+), 1145 deletions(-) delete mode 100644 arm/aarch32/arm-cpu.c delete mode 100644 arm/aarch32/include/asm/kernel.h delete mode 100644 arm/aarch32/include/asm/kvm.h delete mode 100644 arm/aarch32/include/kvm/barrier.h delete mode 100644 arm/aarch32/include/kvm/fdt-arch.h delete mode 100644 arm/aarch32/include/kvm/kvm-arch.h delete mode 100644 arm/aarch32/include/kvm/kvm-config-arch.h delete mode 100644 arm/aarch32/include/kvm/kvm-cpu-arch.h delete mode 100644 arm/aarch32/kvm-cpu.c delete mode 100644 arm/aarch32/kvm.c delete mode 100644 arm/aarch64/include/kvm/fdt-arch.h delete mode 100644 arm/aarch64/include/kvm/kvm-arch.h delete mode 100644 arm/aarch64/include/kvm/kvm-config-arch.h delete mode 100644 arm/aarch64/include/kvm/kvm-cpu-arch.h delete mode 100644 arm/aarch64/kvm.c delete mode 100644 arm/kvm-cpu.c rename {arm/aarch64 => arm64}/arm-cpu.c (96%) rename {arm => arm64}/fdt.c (99%) rename {arm => arm64}/gic.c (99%) rename {arm => arm64}/gicv2m.c (99%) rename {arm/aarch64 => arm64}/include/asm/image.h (100%) rename {arm/aarch64 => arm64}/include/asm/kernel.h (100%) rename {arm/aarch64 => arm64}/include/asm/kvm.h (100%) rename {arm/aarch64 => arm64}/include/asm/pmu.h (100%) rename {arm/aarch64 => arm64}/include/asm/sve_context.h (100%) rename {arm/include/arm-common => arm64/include}/gic.h (100%) rename {arm/aarch64 => arm64}/include/kvm/barrier.h (100%) rename {arm/include/arm-common => arm64/include/kvm}/fdt-arch.h (100%) rename {arm/include/arm-common => arm64/include/kvm}/kvm-arch.h (96%) rename {arm/include/arm-common => arm64/include/kvm}/kvm-config-arch.h (54%) rename {arm/include/arm-common => arm64/include/kvm}/kvm-cpu-arch.h (82%) rename {arm/include/arm-common => arm64/include}/pci.h (100%) rename {arm/include/arm-common => arm64/include}/timer.h (100%) rename {arm => arm64}/ioport.c (100%) rename {arm/aarch64 => arm64}/kvm-cpu.c (70%) rename {arm => arm64}/kvm.c (59%) rename {arm => arm64}/pci.c (98%) rename {arm/aarch64 => arm64}/pmu.c (99%) rename {arm/aarch64 => arm64}/pvtime.c (100%) rename {arm => arm64}/timer.c (95%) base-commit: e48563f5c4a48fe6a6bc2a98a9a7c84a10f043be -- 2.39.5