From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=198.175.65.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792517860; b=Aqw72Il+eWKll1ppodeuSSuXW+xmRcaoUJKwGUmRb6/4hh29QqZlDfzHRhgYbdHc2q0Y +gc8UHWZ+vNxr8H9ygM/X1HJ/HYYG147UMLHwgjdf4f8bf+s1qA+g43T7ZYwCUn5pBJ1a EqJsbp/dtql0H8xdcWVKtx4XZmszu4VAXpPQB2AMj3/huPT5Yk0mfYLVgc9G5JEma7x+0 TMuvI8ef9/yCD2Mna/rHChjsK80XiKiNtNRNkAEIx+cWIdMKECjJ0q7bb7cZxZqsJSC+q qK5EBW9eHGPmPbF3v92bxk1I2W/mG6WxQ4BJijhAcsM6IufvBDon5BPSqLVcoj41Mjg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792517860; h=DMARC-Filter:DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID: X-IronPort-AV:X-IronPort-AV:Received:X-CSE-ConnectionGUID: X-CSE-MsgGUID:X-ExtLoop1:X-IronPort-AV:Received:From:To:Cc:Subject: Date:Message-ID:X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; bh=TKkOlr8jhwPsaGpPmPHJTkYY5YSC6yQCu+UpabW7Ryk=; b=ek1NndpYQDzqllpN5Xg6IrlLe7+9i9Tqdd1UjIF6zmsEKFVMPuVq3e41+BU39fC9xCOl OPSIXV/1DQzEVTq0hkVzpntOH8bUwwtbqXcOCD3tTFozTETNSGx+XTbGxs+QeVFJMe5fu SBe8rtGXK3K/f3vdydkYJLYpGnBfZM81/DDaxVdUjfdlHtNDhO9Pr3L6vHfygunsFzQKl e5eYJsYngCIIeYjK/rIhrUkHVbSiE8xHIPEKGj6f2R9TqRAQXfIK5rh2RBxRXlhVzMVYp bCq+jO/E6e64w7MF/xpj1PeMxEtlh6Mva+voqdj/CMNGJSrNHf7x4tK7c6RL84x1SDw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=T0MBG7cx; arc=none smtp.remote-ip=198.175.65.18 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2FA4560A3806 for ; Tue, 20 Oct 2026 17:37:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 2FA4560A3806 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=T0MBG7cx DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1792517859; x=1824053859; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LT+IC68DFoWhCEiVuCUJvJbdsesQnL9TfpdLkDLQFfY=; b=T0MBG7cxlA2UBKzkzKjgqa7cL7Vg4Vk3WWgZb/EykQ/sjeaFWMfXhyRR t/V/IKUTio1wBGb0CVNnSesivDBBqIy78RakmgcHIlqM8kn5muSGUCwqF YAwZmmk4O5WnggoRxXx4laIyQbniam4+54TWyOPvtkVIiWVDI+uwuldu0 J8lkwO0V7moLScs8Jwaj1ysbvhuZRL1tP6+kzHEujuSOWdLHnMY7nag5k PTc5Iyqg7f0MA62Ed3+dxJCqR2dyyeplLNvbEVqUWPGCev87Iv8ugP5yM oidNlLg2Ka12X9P9haimhyrTba+mI+RNo1rm15Jhpvbz446T0gYIk7WY7 w==; X-CSE-ConnectionGUID: fYOeE+BxS72J3vxiShx7SA== X-CSE-MsgGUID: ZW3W5FfnRu6y2eYEHjgIgw== X-IronPort-AV: E=McAfee;i="6800,10657,11941"; a="1240979" X-IronPort-AV: E=Sophos;i="6.27,168,1787036400"; d="scan'208";a="1240979" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2026 10:37:38 -0700 X-CSE-ConnectionGUID: WWnwPJbtStKN75lp7RYfhg== X-CSE-MsgGUID: HfTLR9KCTPefXawqQbOVdQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,168,1787036400"; d="scan'208";a="2875812" Received: from pavel-dev.sc.intel.com (HELO pepopov-mobl2.amr.corp.intel.com) ([10.3.206.11]) by orviesa009.jf.intel.com with ESMTP; 20 Oct 2026 10:37:38 -0700 From: Pavel Popov To: Bjorn Helgaas , Logan Gunthorpe Cc: Pavel Popov , Leon Romanovsky , Lukas Wunner , Jim Chow , Radu Rugina , Alexey Makhalov , Wei Liu , Michael Kelley , Nathan Ciobanu , bcm-kernel-feedback-list@broadcom.com, virtualization@lists.linux.dev, linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 1/2] PCI/P2PDMA: Move CONFIG_X86 #ifdef out of cpu_supports_p2pdma() Date: Tue, 20 Oct 2026 10:37:35 -0700 Message-ID: <20261020173736.81755-2-pavel.e.popov@intel.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20261020173736.81755-1-pavel.e.popov@intel.com> References: <20261020173736.81755-1-pavel.e.popov@intel.com> X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit cpu_supports_p2pdma() has an #ifdef CONFIG_X86 block inside the function body. Put the whole function under #ifdef CONFIG_X86 instead, with a stub returning false for !CONFIG_X86. No functional change. Suggested-by: Logan Gunthorpe Signed-off-by: Pavel Popov --- drivers/pci/p2pdma.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c index 9334eb314663..6b4f0843b404 100644 --- a/drivers/pci/p2pdma.c +++ b/drivers/pci/p2pdma.c @@ -519,18 +519,23 @@ static void seq_buf_print_bus_devfn(struct seq_buf *buf, struct pci_dev *pdev) seq_buf_printf(buf, "%s;", pci_name(pdev)); } +#ifdef CONFIG_X86 static bool cpu_supports_p2pdma(void) { -#ifdef CONFIG_X86 struct cpuinfo_x86 *c = &cpu_data(0); /* Any AMD CPU whose family ID is Zen or newer supports p2pdma */ if (c->x86_vendor == X86_VENDOR_AMD && c->x86 >= 0x17) return true; -#endif return false; } +#else /* !CONFIG_X86 */ +static bool cpu_supports_p2pdma(void) +{ + return false; +} +#endif /* CONFIG_X86 */ static const struct pci_p2pdma_whitelist_entry { unsigned short vendor; -- 2.53.0