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=VZmKgUrXb1CWgKB1HyBL/5+9n6yYyhIRbq0tcwH+DgBm05bb4oSOte69rK2KZ4lemg0D 7x/p+Ho6gCR4afYbInattUtPMVsQiy/tnbmtiJN5sMm07ADZpQDHkHo+NWkpLRmfGDkGe T4oIQQitzZJqKUob2w1xyZGgup92z4McZNWikGshHXAT35PkyUW+W/eSBOu+mFIyMaRdK 2Edyfi6pWaHV4LO4pQU/B9XzoU4RAHXumCpbWIf+7snDFfaEXXdarnyU4Dxm2zEzMW5hy EWTIrWlaf29tt4ICDGleZXUWN4ZVNKgDNwQyZCSpoS24Wa+ltPFg2WQSdUYJrJ+6YWQ== 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=zHD1bsrrs5hvkPSJ9F35tP2Bazx1nlrzZOk+5FfsFqwsz1r3ICWqFCfDP7foT6wDrHlX VyeqD9i/LNl4RrqTQHrbWl9hrrM7IiQu5ZHb2DvukAxcJgj/kf1IxiZAWOJocj44p4tT/ D973uAJ20VCClOgUQAxxhzVaY1nI2DS/njRQZsxy8Cd2t1llFyCVQKXsG+QU5HqhOWq7o MmHMySQ7kydzQnBeXBtHUFxZ91q4HeamgtQAimPVnjgKW5OjE2+yXLBmw7pfaZJcx28K/ UNt/eW31vS11as39cEcbTE5dzzCmRlAHpnckgdzw1duqrnCgzoheSc5rq0mFRtegmHg== 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=hs3J4h8C; 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 B7181606A323; Tue, 20 Oct 2026 17:37:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org B7181606A323 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=hs3J4h8C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1792517858; x=1824053858; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LT+IC68DFoWhCEiVuCUJvJbdsesQnL9TfpdLkDLQFfY=; b=hs3J4h8CefC7YvKTaUxFksCxEnoDo0o8C+4IRtZmLx5lOGKlDC2NjwAi VpVS14OdkS0chputMCcFVu87TIBNjsM5BObRb1Zkg3mIp2x5cXtB0tVYy 0EtIuaq0MszB/mHwDSD9ACV8VPtVo6COAydD7BV9sLwunwX7qLecgsn2Q jQ/2vnMK0ej6XiqhyUau6QsiKtr/6z0EoQUKoM68ARNDO46AehOkcp62J VxUBF1U1GxBKuqx3Gv2vr2cU/aLnmpLjk48sckYqL7gpmdyad9OuD1OJn iByR2IL6sHqxu3P2oi25MYltzsmZ7gwc4oObsc4LaJ83URKpF1QyeZiwd w==; X-CSE-ConnectionGUID: QVevI6H7RjO2vUmrplfmSA== X-CSE-MsgGUID: VgKFSGtZTySWANdDJKVZOg== X-IronPort-AV: E=McAfee;i="6800,10657,11941"; a="1240977" X-IronPort-AV: E=Sophos;i="6.27,168,1787036400"; d="scan'208";a="1240977" 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: linux-kernel@vger.kernel.org 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