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 1DE1D22D4E9 for ; Mon, 12 May 2025 21:11:59 +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=1747084320; cv=none; b=k6wQnopPMhtoskFNuAv9svGZkH43UZdww3NQh84VqeU4CoV42IyZVVSZwSEO2LYNgiQ13dZFzoc/uUd4ilL7+IGuoBOPw89sSrH0fGYGtYiHa3y6ta3WGLs/IvyBtojbJy8BNOmAC9MYQvg0slR99l94Mnw1TAG4PU+GVDEa1Ps= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747084320; c=relaxed/simple; bh=pC+DtJUD73EdlApooyd+rpQDEWwe5Qd5Fy6ppQ+M2h4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=EtpoT0vGE9Bis/4jRSw7GdoKIEsepYkqLd/ou78a//VIenhQh94YamS9j1/SYWiVoenl/K0T9CVpDndrqCr91KRkX+q8h0gzuZKKkzcr7q5GUtUsIZ8sYcNJEHGYaBdQS3FpamMGP742WeqiRM4ZjcPAIafEL1lXnnqGv0ZfVPk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hj5WB665; 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="hj5WB665" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E73B7C4CEE7; Mon, 12 May 2025 21:11:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747084319; bh=pC+DtJUD73EdlApooyd+rpQDEWwe5Qd5Fy6ppQ+M2h4=; h=From:To:Cc:Subject:Date:From; b=hj5WB665/aDTV+93Od5SM+9ve8xi5KB1e6SKbF6n1MYeztCAYnPBU19aJBDrroxs9 fkeJiOU0L/2EaBox41QjfwOmBNnkBNRPmqMmSzQOL7aZnqedHvGUTsMeNo2/t59bxA dXUdZpP6qq0INbuztQcy/AdoiajGX8EBamL53cbjvRvSoCTCSHwH2aYE/tzXm0xJzB 7XnAmWhVObA4Cnjv5rwQpEJsKHEtibNea5Y9z6MieQXGdVnh1RfKe1ff9+CVbSXQKx yfA0x1i2adx5rB6mD5TIE76SHzPuDPfb/o8UvfTSxrrI/vCSFtB+5IED8kI/JgDnod nirospgEyrn8A== From: Mario Limonciello To: Shyam Sundar S K , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Cc: Hans de Goede , platform-driver-x86@vger.kernel.org (open list:AMD PMF DRIVER), Mario Limonciello Subject: [PATCH v3 0/3] Improved cleanup handling for amd-pmf Date: Mon, 12 May 2025 16:11:51 -0500 Message-ID: <20250512211154.2510397-1-superm1@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Mario Limonciello I noticed some memory problems with unloading and reloading amd-pmf. These were root caused with a double free. This series cleans up that double free by switching to device managed allocations and also fixes other problems observed in earlier iterations of the patches. v2->v3: * Add Dan's suggestion * Use device managed allocations * Simplify error flow v2: https://lore.kernel.org/platform-driver-x86/20250507020838.2962896-1-superm1@kernel.org/ Mario Limonciello (3): platform/x86/amd: pmf: Use device managed allocations platform/x86/amd: pmf: Prevent amd_pmf_tee_deinit() from running twice platform/x86/amd: pmf: Simplify error flow in amd_pmf_init_smart_pc() drivers/platform/x86/amd/pmf/core.c | 3 +- drivers/platform/x86/amd/pmf/tee-if.c | 100 +++++++++----------------- 2 files changed, 33 insertions(+), 70 deletions(-) base-commit: bfcfe6d335a967f8ea0c1980960e6f0205b5de6e -- 2.43.0