From nobody Thu Apr 9 20:26:03 2026 Received: from jpms-ob02.noc.sony.co.jp (jpms-ob02.noc.sony.co.jp [211.125.140.165]) (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 B625A36E476 for ; Fri, 6 Mar 2026 05:57:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.125.140.165 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772776625; cv=none; b=QP91n3bAZErVWb3CoOvdFbi7lm2qAKgx6ES1vAd+g9pFMUCk5XMgeiqqqEFKKLBFZ/cK5NZY57rNW+W3luLQKFCDEXcGV/St7D1Lly7teYjIQ+lCRP33E9T4XSW7WMBj0yZsB1KWdCw2jQLlU67bmD9ca4qK/baymAnJvrVBAeU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772776625; c=relaxed/simple; bh=uiV4rk5EKeV++io1RaCRGPEh00hXCDIFP3hjlD5F5CA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=AuW7IDQFuPoS8rVfvTTv5ETMVHXRWtvEg32fg64fbAVd18awgySrgoUi3+9eisuv/98oSdhb1nRgv3OZki5Yyex7MTU69pej28h4VA+sLa7zvImuAvw6etA2q5/xAkiL6RbXt7o7yNt3AJCGJOUAuhSe8nCHEIel7/so0KP6GFw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sony.com; spf=pass smtp.mailfrom=sony.com; dkim=pass (2048-bit key) header.d=sony.com header.i=@sony.com header.b=EYp0ZHx8; arc=none smtp.client-ip=211.125.140.165 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sony.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sony.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sony.com header.i=@sony.com header.b="EYp0ZHx8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sony.com; s=s1jp; t=1772776624; x=1804312624; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=+7cfVWuilX4Z41IOVnb/3k/iGBPBdYAh162SPnNPUwo=; b=EYp0ZHx849fjITxb55RX5CJEIxc7lTf+EE3Byf89J0B/mNIi85EJc2cC PpLuK++MGXTATMwcS9GuboU7S8X3qcS795HIepmuX12QNJHwildiwY0ad n1PKhLeCM9XB9PULo5ecoPjsZEdJhAM9t/Yhdd85eLFctXhXpLxGstqPV G+tDM5utSODNKoWPiyHEyUsMWD2ZnUqo71A5AQ4I9DPrDvbvFmWHVt3as 5KZOs9/LvtkHFHVw32Qowra5Zjfj3/RipORSkW3G9EaOLFGrvJP1ASNX5 IE0p+cebDDRXxKiCu9VlUJUQYOkJawlefK62SlwUodigP5CNPgFrtOPq/ g==; Received: from unknown (HELO jpmta-ob1.noc.sony.co.jp) ([IPv6:2001:cf8:0:6e7::6]) by jpms-ob02.noc.sony.co.jp with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Mar 2026 14:46:50 +0900 X-IronPort-AV: E=Sophos;i="6.23,104,1770562800"; d="scan'208";a="619082193" Received: from unknown (HELO [127.0.1.1]) ([IPv6:2001:cf8:1:573:0:dddd:6b3e:119e]) by jpmta-ob1.noc.sony.co.jp with ESMTP; 06 Mar 2026 14:46:50 +0900 From: Shashank Balaji Date: Fri, 06 Mar 2026 14:46:29 +0900 Subject: [PATCH v2 2/2] x86/defconfig: Add CONFIG_IRQ_REMAP Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260306-x2apic-fix-v2-2-bee99c12efa3@sony.com> References: <20260306-x2apic-fix-v2-0-bee99c12efa3@sony.com> In-Reply-To: <20260306-x2apic-fix-v2-0-bee99c12efa3@sony.com> To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Suresh Siddha Cc: Ingo Molnar , linux-kernel@vger.kernel.org, Jan Kiszka , Sohil Mehta , Andrew Cooper , Shashank Balaji , Rahul Bukte , Daniel Palmer , Tim Bird X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1257; i=shashank.mahadasyam@sony.com; h=from:subject:message-id; bh=uiV4rk5EKeV++io1RaCRGPEh00hXCDIFP3hjlD5F5CA=; b=owGbwMvMwCU2bX1+URVTXyjjabUkhsxVWZ78mwXeuv1+2Gm1+vHLKct7936Q2XC0yLLHuu+Z3 aTKA31hHaUsDGJcDLJiiiylStW/9q4IWtJz5rUizBxWJpAhDFycAjCRSf8YGR47ZNgfulimcKlA 6pDaHt+N0Wp+Blm9Caq8TsUf4lIKLRj+6Wi6BbLs5FqRssCCUVVbaX5urP715etvs++YcOLp+0s fOQE= X-Developer-Key: i=shashank.mahadasyam@sony.com; a=openpgp; fpr=75227BFABDA852A48CCCEB2196AF6F727A028E55 x2apic is enabled in the defconfig, and interrupt remapping is an architect= ural dependency of x2apic as per the Intel SDM: Routing of device interrupts to local APIC units operating in x2APIC mode requires use of the interrupt-remapping architecture specified in the Intel=C2=AE Virtualization Technology for Directed I/O (Revision 1.3 and/or later versions). Enable CONFIG_IRQ_REMAP in defconfig so that a defconfig kernel on bare met= al actually uses x2apic. Co-developed-by: Rahul Bukte Signed-off-by: Rahul Bukte Signed-off-by: Shashank Balaji Acked-by: Thomas Gleixner Reviewed-by: Sohil Mehta --- Changes in v2: - Mention the SDM (based on Andrew and Jan's discussion) --- arch/x86/configs/x86_64_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_de= fconfig index 7d7310cdf8b0..269f7d808be4 100644 --- a/arch/x86/configs/x86_64_defconfig +++ b/arch/x86/configs/x86_64_defconfig @@ -230,6 +230,7 @@ CONFIG_EEEPC_LAPTOP=3Dy CONFIG_AMD_IOMMU=3Dy CONFIG_INTEL_IOMMU=3Dy # CONFIG_INTEL_IOMMU_DEFAULT_ON is not set +CONFIG_IRQ_REMAP=3Dy CONFIG_EXT4_FS=3Dy CONFIG_EXT4_FS_POSIX_ACL=3Dy CONFIG_EXT4_FS_SECURITY=3Dy --=20 2.43.0