From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 385092BCF9; Thu, 11 Apr 2024 18:25:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712859903; cv=none; b=c4oOjAi1f/b1vRszMvaOXcppWNcxOsXJFZAeLKSC5Ba47Yh7uYRDTqCnJwVO5iHvZ8v6rmMLDzXzA+VWUDS76kEJBptfgVUxyoOi+GwYlQ44i3sYHDg5qnwxGBWDwqXJS+o9iSL6tvYAROARzCBZ2QfnaweJqBQYDRK65Kuh/hs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712859903; c=relaxed/simple; bh=c2g0tbUCqfPKXbZUyvRm01VrhJY6EMVcc1wcJ3a0Ym0=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Rgeagb8HhXGEUQgj7qk+M6gOnUS7KMoPQldUlwAn+k+6nO0CwUbSxJ1jhl6V8O9/Dpwb7m0oq2/lArCWY+hVex+RFCikg/jI6Q1HSxevFUk7Cao5CxEXirsVDswqLMR0skC3rBngWGpb1P7HjkhM5mzCK4TnC8+M6Ax0GHYKwW8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=HXwVDBYw; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="HXwVDBYw" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1712859902; x=1744395902; h=date:from:to:cc:subject:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=c2g0tbUCqfPKXbZUyvRm01VrhJY6EMVcc1wcJ3a0Ym0=; b=HXwVDBYwjzoa7OLJXyu0+WjdeCyW1HwL3j8ClOAYiBlQpbzutB2DEMiH 9ppQunxR22MivraSiVHpQ3Aq1tgOh4OUcGAAV+rqnmr6iv9VPVXnSs1xo UA8+GfHF1pNqFuYChJrxAv0/H+XSLi8RIqaoX4/9P7qoeSTgDL79++S12 j9KJRCkdXZ6cWX865I+dZXH/pBNaBR+iJ8xQJVFtIxZ6A54z50Y7FMFTO LU6tZTaa4b34YzQQEYZsRV3e+njJb+TZThJR0eAeP14pHz0n8/CjGI4j1 TV1XwtCyocjed3cpTfpdie1CgDgwqzH6EAIUbI4jQ7SYkwy5u6lazCpE5 w==; X-CSE-ConnectionGUID: +oITaEHjQ1u24PElUBtbTQ== X-CSE-MsgGUID: QIbuvSixQIWCu4Qejlnxlw== X-IronPort-AV: E=McAfee;i="6600,9927,11041"; a="8514939" X-IronPort-AV: E=Sophos;i="6.07,193,1708416000"; d="scan'208";a="8514939" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Apr 2024 11:25:01 -0700 X-CSE-ConnectionGUID: 3QOiQzoGR0OiHwTo7hCQqQ== X-CSE-MsgGUID: GUYxnY+LQ9+gm23AkhcO6A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,193,1708416000"; d="scan'208";a="51936865" Received: from jacob-builder.jf.intel.com (HELO jacob-builder) ([10.54.39.125]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Apr 2024 11:25:01 -0700 Date: Thu, 11 Apr 2024 11:29:32 -0700 From: Jacob Pan To: Thomas Gleixner Cc: LKML , X86 Kernel , Peter Zijlstra , iommu@lists.linux.dev, Lu Baolu , kvm@vger.kernel.org, Dave Hansen , Joerg Roedel , "H. Peter Anvin" , Borislav Petkov , Ingo Molnar , Paul Luse , Dan Williams , Jens Axboe , Raj Ashok , "Tian, Kevin" , maz@kernel.org, seanjc@google.com, Robin Murphy , jim.harris@samsung.com, a.manzanares@samsung.com, Bjorn Helgaas , guang.zeng@intel.com, robert.hoo.linux@gmail.com, jacob.jun.pan@linux.intel.com, xin3.li@intel.com Subject: Re: [PATCH v2 08/13] x86/irq: Install posted MSI notification handler Message-ID: <20240411112932.6b1a4dbb@jacob-builder> In-Reply-To: <87bk6f262i.ffs@tglx> References: <20240405223110.1609888-1-jacob.jun.pan@linux.intel.com> <20240405223110.1609888-9-jacob.jun.pan@linux.intel.com> <87bk6f262i.ffs@tglx> Organization: OTC X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-pc-linux-gnu) 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=US-ASCII Content-Transfer-Encoding: 7bit Hi Thomas, On Thu, 11 Apr 2024 18:54:29 +0200, Thomas Gleixner wrote: > On Fri, Apr 05 2024 at 15:31, Jacob Pan wrote: > > > > #ifdef CONFIG_SMP > > diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c > > index fc37c8d83daf..f445bec516a0 100644 > > --- a/arch/x86/kernel/idt.c > > +++ b/arch/x86/kernel/idt.c > > @@ -163,6 +163,9 @@ static const __initconst struct idt_data > > apic_idts[] = { # endif > > INTG(SPURIOUS_APIC_VECTOR, > > asm_sysvec_spurious_apic_interrupt), INTG(ERROR_APIC_VECTOR, > > asm_sysvec_error_interrupt), +# ifdef > > CONFIG_X86_POSTED_MSI > > + INTG(POSTED_MSI_NOTIFICATION_VECTOR, > > asm_sysvec_posted_msi_notification), +# endif > > #endif > > }; > > Obviously lacks FRED support... Good point, forgot FRED is merged :) Will add an entry to entry_fred.c. I would not be able to test performance though. Thanks, Jacob