From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 C1BA91643B for ; Thu, 5 Mar 2026 01:50:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772675426; cv=none; b=l82aZWpryAWvcp4nEppkUW6YLj0FM3EKHnlVbl8Cjw7Uk/Q47Bqy3Nj9Dk33TUUEEAhRjXjdhEzr2A94AQ0TLt8awj35qDJfyCftsQKc1SD/se1fgM6e+J6fbqN9fALhrSe0lpTHxtqfYluk2TYneDcfBBD24zFKdvv7ocnI2Xs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772675426; c=relaxed/simple; bh=6XenjEFbgCsNbNahIN0nRsl0RREHKOxIJncSB/bYAxY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=UGRM/eimwVhAMJ4tORCX5qZMaAH+RsMcHFvuCroF/UHbpsCLF5oU6Ff/9icbE7ORXScIiQ7vjPs7aEhgR4h8QOvSZ3NuZFDsl05krnHc2lFqBBXLZgIyLiEv/gNjj2i/aNUh2F1Kcqweg8MN5nEdAEYH1wy+cvd1bKFoiiA+mPU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=jwgsrYrY; arc=none smtp.client-ip=192.198.163.17 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) header.d=intel.com header.i=@intel.com header.b="jwgsrYrY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772675424; x=1804211424; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=6XenjEFbgCsNbNahIN0nRsl0RREHKOxIJncSB/bYAxY=; b=jwgsrYrYj1FjG6wByafw3SVAzs/uUDNdpjxOMpxCzqFxk4+VIL5TPOpL fLkP1bV2IMqgYsx/Y7Jk1oG5T8wAucn96o7c7REbVq1wJVD0ZsDvKVJ9f lLoZVsjTNQhRr3TTdNCOrZqlwyQ/twdXCHkKW4r1jRnig1Kao2BO1l5Yr hCYK2Pd6T4OYvmosjLtsrExH7yI0KoD1/ihbnbyAbokvq3/XD678jwTJk 0tKXccAvyfabiEmrY0YwfWxtONc53veUmdn9zyhyac/h9oecVcogD2n8j QmK7HR0STGHQ1SUQYefR4dSoRLD3Zl7tG5oQXYNqRtyfl9wUWsCr5S+E1 g==; X-CSE-ConnectionGUID: XDyRYKDBQ62EsMQsGo1WpQ== X-CSE-MsgGUID: Th8AT1wBRGGzouJCUitvHg== X-IronPort-AV: E=McAfee;i="6800,10657,11719"; a="73665459" X-IronPort-AV: E=Sophos;i="6.21,325,1763452800"; d="scan'208";a="73665459" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2026 17:50:18 -0800 X-CSE-ConnectionGUID: gz0vQlFtQh6SUHmpLGvffw== X-CSE-MsgGUID: awafH/+BQKKQXvHD8LnX8Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,325,1763452800"; d="scan'208";a="223487856" Received: from lkp-server01.sh.intel.com (HELO f27a57aa7a36) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 04 Mar 2026 17:50:03 -0800 Received: from kbuild by f27a57aa7a36 with local (Exim 4.98.2) (envelope-from ) id 1vxxqh-000000004yn-1aHW; Thu, 05 Mar 2026 01:49:59 +0000 Date: Thu, 5 Mar 2026 09:49:53 +0800 From: kernel test robot To: Thanos Makatos , "seanjc@google.com" Cc: oe-kbuild-all@lists.linux.dev, "pbonzini@redhat.com" , John Levon , "kvm@vger.kernel.org" , Thanos Makatos Subject: Re: [PATCH] KVM: optionally post write on ioeventfd write Message-ID: <202603050920.Lmf80GaE-lkp@intel.com> References: <20260302122826.2572-1-thanos.makatos@nutanix.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260302122826.2572-1-thanos.makatos@nutanix.com> Hi Thanos, kernel test robot noticed the following build errors: [auto build test ERROR on kvm/queue] [also build test ERROR on kvm/next linus/master v7.0-rc2 next-20260304] [cannot apply to kvm/linux-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Thanos-Makatos/KVM-optionally-post-write-on-ioeventfd-write/20260302-204031 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue patch link: https://lore.kernel.org/r/20260302122826.2572-1-thanos.makatos%40nutanix.com patch subject: [PATCH] KVM: optionally post write on ioeventfd write config: i386-allnoconfig (https://download.01.org/0day-ci/archive/20260305/202603050920.Lmf80GaE-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260305/202603050920.Lmf80GaE-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202603050920.Lmf80GaE-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/linux/kvm_host.h:40, from arch/x86/events/intel/core.c:17: >> include/uapi/linux/kvm.h:669:1: error: static assertion failed: "bad size" 669 | _Static_assert(sizeof(struct kvm_ioeventfd) == 1 << 6, "bad size"); | ^~~~~~~~~~~~~~ vim +669 include/uapi/linux/kvm.h 659 660 struct kvm_ioeventfd { 661 __u64 datamatch; 662 __u64 addr; /* legal pio/mmio address */ 663 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 664 __s32 fd; 665 __u32 flags; 666 void __user *post_addr; /* address to write to if POST_WRITE is set */ 667 __u8 pad[24]; 668 }; > 669 _Static_assert(sizeof(struct kvm_ioeventfd) == 1 << 6, "bad size"); 670 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki