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 968D72DE1E2; Tue, 12 Aug 2025 18:14:09 +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=1755022449; cv=none; b=OeBilPJuBG4p8VSVlNjOhBonqDuIXjETaUy1Na8v2eEJ6NuDkbW8eB9R/qvLD820/IUKk0liLjAz5P3RK2/T2CLZGUY7bZYBOY06kW6t/CADvuCbXnitNJ8WKp+24p88qkPxdZ22shV47nUD2ZmDV3i3uCPp66ogdZx0yXG6IuA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755022449; c=relaxed/simple; bh=rBohJIqUeOOCJkFQYtXHSi0/RGS7t02/M6GHlOxw2Zk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ECBe3VlXOxEg23oISeZ07rAbFEv4tNbTzvIXXNGeUFOlJ1VvncbQww92DsL+H5GIqd8JoF3immg4R7rHrv27iNut9olTEBXAgIKFRkZNV/UgCB7tEuUe5dnp2JIKlStHj1/z3mLNenjYvXVOFG39QLHdu3nukSsFbRRjp09jSg0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=DEElUVpz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="DEElUVpz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E070BC4CEF0; Tue, 12 Aug 2025 18:14:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755022449; bh=rBohJIqUeOOCJkFQYtXHSi0/RGS7t02/M6GHlOxw2Zk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DEElUVpzllggI3++g5S4P5xIxcO4vHLimtV0WvqtVUpaL8oTVm2DHHk4tyydWrskc toiSYIjnt48vAWyWT0gS10vaaD2MU+qw4SPHy+Zo6zfAVj+JK0vdYmookCWaikrrlW Z8VNjsC516ZwfNEPQds6zOGTe3+gM7HGD9SdVWAE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ahsan Atta , Giovanni Cabiddu , Michal Witwicki , Herbert Xu , Sasha Levin Subject: [PATCH 6.12 158/369] crypto: qat - allow enabling VFs in the absence of IOMMU Date: Tue, 12 Aug 2025 19:27:35 +0200 Message-ID: <20250812173020.712132324@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812173014.736537091@linuxfoundation.org> References: <20250812173014.736537091@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ahsan Atta [ Upstream commit 53669ff591d4deb2d80eed4c07593ad0c0b45899 ] The commit ca88a2bdd4dd ("crypto: qat - allow disabling SR-IOV VFs") introduced an unnecessary change that prevented enabling SR-IOV when IOMMU is disabled. In certain scenarios, it is desirable to enable SR-IOV even in the absence of IOMMU. Thus, restoring the previous functionality to allow VFs to be enumerated in the absence of IOMMU. Fixes: ca88a2bdd4dd ("crypto: qat - allow disabling SR-IOV VFs") Signed-off-by: Ahsan Atta Reviewed-by: Giovanni Cabiddu Reviewed-by: Michal Witwicki Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/intel/qat/qat_common/adf_sriov.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/crypto/intel/qat/qat_common/adf_sriov.c b/drivers/crypto/intel/qat/qat_common/adf_sriov.c index c75d0b6cb0ad..31d1ef0cb1f5 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_sriov.c +++ b/drivers/crypto/intel/qat/qat_common/adf_sriov.c @@ -155,7 +155,6 @@ static int adf_do_enable_sriov(struct adf_accel_dev *accel_dev) if (!device_iommu_mapped(&GET_DEV(accel_dev))) { dev_warn(&GET_DEV(accel_dev), "IOMMU should be enabled for SR-IOV to work correctly\n"); - return -EINVAL; } if (adf_dev_started(accel_dev)) { -- 2.39.5