From patchwork Mon Aug 26 16:36:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charlie Jenkins X-Patchwork-Id: 13778151 Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) (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 64A69194AE2 for ; Mon, 26 Aug 2024 16:36:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724690216; cv=none; b=pjMwA6oodSerbxahldsq7jyav29Of3xk+2t5cC1lnXaQ1vB59hiVkIrBrQUjT/8IcPlP+c/rYHl78nTPEvUny9MQBUAjzhhUfMxe41NDYk3dhkwR7NLusYTe6Zf/txL+pVinybPdz0GoRb0N7xy3CcTwY1jecxQojbV9QsK5r78= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724690216; c=relaxed/simple; bh=Ggjt/PK8ZO1KdyZKks/DPga8mkjKTc2hpGQom8saAb4=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=BJxSkGvJ7mTBIBnDJCCs94Js4BzWhoGUNvAc6wjvRW/qNHkh58T8fLSesVSERd9B507HXjD5eicqF1JFiNkH7X+Ge82WOijwvsHbNYy+4iIfBCYyT89J+NLXdktwscxmMGrxVzG4oVj+ZbafgsonsuPpnIqJCNSW/4WJ+lr2tw8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com; spf=pass smtp.mailfrom=rivosinc.com; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b=A7tZUWbZ; arc=none smtp.client-ip=209.85.210.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b="A7tZUWbZ" Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-7106cf5771bso3633450b3a.2 for ; Mon, 26 Aug 2024 09:36:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1724690214; x=1725295014; darn=vger.kernel.org; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:from:to:cc:subject:date:message-id:reply-to; bh=XzJj8pzBdC/SjkNgCg+eFusMGgeO5OB+75LPuxAheKY=; b=A7tZUWbZUnyjaIU4EGAohTjqDSdXGZVqKX6eb1n0SF5vo/5SLp2kWBx8FW7aNTgGxY 3X9P7EXto7FkdocL4L/aRxdNnrVxMToU94+cKwmDkhwQli1lWNRGzfOANAAk+mYJjuED 1Nyw4sk4NSnS7sU/kxTtR3QeMVSlcDzKi+THNsWN9zidsr3ZAIig3DN/bjf37kYRBFrY PD4+10qVFUsyHJr8iljLRMYx00id/iKEeb1dyhbi3esRZISZ9dOgTbOuY9ZnyL3wBRbO PfXUIxG63n4xuCjK6KdeVUYFB6CeaOs+1qlz9FFS2RD0F/yMv9cRoYx9Lrr+Z3s7qpcB Zl9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724690214; x=1725295014; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=XzJj8pzBdC/SjkNgCg+eFusMGgeO5OB+75LPuxAheKY=; b=C2we5I5QwLhqz5Feq6GDehyq3wP88BGqsLZwcBDCAsr6qQnzmq7WRtPq/6f5k6+ChE /eSoKBppQz+xDiV6QW9HoWDTEClBfC+ZgteAirHDyQgtRzu7N1G6ug2iWHdLQfBbIlbU PfAUQg9wKIjPJr2b3WSsr5z/qpo/MrpvsuoWiyYvmVzrHSNC4az9aJcVrF1tdyTC0c9A rw3S5MwwtOOCJucxXWXrC/v5DAf+13+rwBr09NC+zfkmF3+w2m7+jZ/laIs3fvps9vis Ei95Fh+JdLqyHIMrQ+eJ8Ob9XEN6GF2C6nlCnqsfyUl+j1Idi16nIfe4VYdNzhBEbDny TA7w== X-Forwarded-Encrypted: i=1; AJvYcCU4WXgQSlPd16F550pBkYGc3RJI1xiRDnyAiXPAg7R2/BpSraqpqrSdcKmVtMxG0wkOBHJoVPzdKAFkJa/HptM=@vger.kernel.org X-Gm-Message-State: AOJu0YyVB84DPK/wdqgUe95Hotc7Kl+FFOoElag+xdnYyji1l5mEL41f Fjpt2tu1dc3LMDNv3HD354j1zImv5yKra2dfPR6RzNkZ1K7l/fSevd3L/s7Z22c= X-Google-Smtp-Source: AGHT+IEhhlwfKu+qrTkve0/BmPBWlOtzw1R6AUtvBmtz1f6WqoPjaogV9GfYZT3VAsdVTB8oqC9zcA== X-Received: by 2002:a05:6a21:1584:b0:1c6:fc4e:e4ca with SMTP id adf61e73a8af0-1cc8a268142mr10196588637.47.1724690213501; Mon, 26 Aug 2024 09:36:53 -0700 (PDT) Received: from charlie.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7143434052dsm7174708b3a.217.2024.08.26.09.36.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Aug 2024 09:36:52 -0700 (PDT) From: Charlie Jenkins Subject: [PATCH 0/3] riscv: mm: Do not restrict mmap address based on hint Date: Mon, 26 Aug 2024 09:36:44 -0700 Message-Id: <20240826-riscv_mmap-v1-0-cd8962afe47f@rivosinc.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAByvzGYC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIxMDCyMD3aLM4uSy+NzcxAJdA1PT1LQUI+M0Q8tkJaCGgqLUtMwKsGHRsbW 1ACMCc6hcAAAA To: Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , Shuah Khan , Yangyu Chen , Levi Zim , Alexandre Ghiti Cc: linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Palmer Dabbelt , linux-kselftest@vger.kernel.org, Charlie Jenkins X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1008; i=charlie@rivosinc.com; h=from:subject:message-id; bh=Ggjt/PK8ZO1KdyZKks/DPga8mkjKTc2hpGQom8saAb4=; b=owGbwMvMwCHWx5hUnlvL8Y3xtFoSQ9qZ9bJn1kYurJt9sPFIkVbf8aYlF/gv+z8qKVxUu/jzd 55zGU0lHaUsDGIcDLJiiiw81xqYW+/olx0VLZsAM4eVCWQIAxenAEykKZzhf8qODI2UOd4br+q6 KG81cMv9HxRemBLzcrrfzp5uJ5WcZob/ldOX7r8f4GB2olQ9arpc/sQ6tp6gpnXpU9fu9NlXbPi AEwA= X-Developer-Key: i=charlie@rivosinc.com; a=openpgp; fpr=7D834FF11B1D8387E61C776FFB10D1F27D6B1354 There have been a couple of reports that using the hint address to restrict the address returned by mmap hint address has caused issues in applications. A different solution for restricting addresses returned by mmap is necessary to avoid breakages. Signed-off-by: Charlie Jenkins --- Charlie Jenkins (3): Revert "RISC-V: mm: Document mmap changes" riscv: selftests: Remove mmap hint address checks riscv: mm: Do not restrict mmap address based on hint Documentation/arch/riscv/vm-layout.rst | 16 ------ arch/riscv/include/asm/processor.h | 26 +-------- tools/testing/selftests/riscv/mm/mmap_bottomup.c | 2 - tools/testing/selftests/riscv/mm/mmap_default.c | 2 - tools/testing/selftests/riscv/mm/mmap_test.h | 67 ------------------------ 5 files changed, 2 insertions(+), 111 deletions(-) --- base-commit: 7c626ce4bae1ac14f60076d00eafe71af30450ba change-id: 20240820-riscv_mmap-055efd23f19c