From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 5E221152197; Mon, 22 Apr 2024 17:50:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713808238; cv=none; b=R+Zn/kE4wVMONVMk5jkB/+NkZUXWVSubYxiOXXBvf6iTwxTm+LBc2cYiywDt1YcryeP0mxuw/CD0ElkpuD/+AACQ8PWwGMi9IVfD0lIMQ/fPkkXuXURJtymcFaIy5OZWS/O26J7LPDQpZXRwxhxYw2MSjG2A7SQ9JvDbOpl7ibs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713808238; c=relaxed/simple; bh=Qw/XTx7VLmthJ54XYfaELgIcf7RnZMS2pyeRWr1PD90=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=RaWslKgrLngLFKEg6bXXtGjQodBUCoxVR1LZyBbIYu6riQWMxhrOvGGKOrmsSfhlJj5n7pz6n/FBUy3ipBK78C38GzcrgNksdL4nCOSGwDFNKQ++1UWcfgHT0prbS/xCfwkmmdLckCfpYQodPopWDtUPf0WZoYWcsHmz0rqWzOk= 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=ZipYcwWS; arc=none smtp.client-ip=198.175.65.20 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="ZipYcwWS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713808235; x=1745344235; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Qw/XTx7VLmthJ54XYfaELgIcf7RnZMS2pyeRWr1PD90=; b=ZipYcwWSDnUvQ+p3thVKxnR0KgjG7Pn9TfPbbjD2m3bVSRrxfNKaupgG nHfmPl3pEf0dqBGtLYgfMhGP8doEpwGr5Acah+5cJZeRAMT8j8B7mgC6p eXgp5ubuwgDUBLH97he+pcY2zYlKzkdXZMLcBpvR/ymMJKEO/+PMm441B JPgvslgfZJ/86IXhkhjkg9AAm1PPPEP3Nkd1UBSNLooENgd5jyw7NFw/x 4JNbpt41/cEAXLmNsL67hVXm1kHYglRn55SDqVl+/sVd4OwXjugtk5Z4N ynb+T8wJxC1ozsS6pVTiPs+tCXGdH8ydXiq92JJUPbx/dAohBn2uJpu7A Q==; X-CSE-ConnectionGUID: XL1wmoxjRmyAW3OEyojiJg== X-CSE-MsgGUID: RCTNhaV7QOGEeklY9JGJVw== X-IronPort-AV: E=McAfee;i="6600,9927,11052"; a="9191158" X-IronPort-AV: E=Sophos;i="6.07,221,1708416000"; d="scan'208";a="9191158" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Apr 2024 10:50:35 -0700 X-CSE-ConnectionGUID: IeyaIZ5ORR+2ySyY7QiO9g== X-CSE-MsgGUID: zwNY0vCbQoS3GTyZeOJhfA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,221,1708416000"; d="scan'208";a="24142083" Received: from ls.sc.intel.com (HELO localhost) ([172.25.112.31]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Apr 2024 10:50:34 -0700 Date: Mon, 22 Apr 2024 10:50:33 -0700 From: Isaku Yamahata To: Paolo Bonzini Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, isaku.yamahata@intel.com, xiaoyao.li@intel.com, binbin.wu@linux.intel.com, seanjc@google.com, rick.p.edgecombe@intel.com, isaku.yamahata@linux.intel.com Subject: Re: [PATCH 6/6] KVM: selftests: x86: Add test for KVM_PRE_FAULT_MEMORY Message-ID: <20240422175033.GL3596705@ls.amr.corp.intel.com> References: <20240419085927.3648704-1-pbonzini@redhat.com> <20240419085927.3648704-7-pbonzini@redhat.com> 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-Disposition: inline In-Reply-To: <20240419085927.3648704-7-pbonzini@redhat.com> On Fri, Apr 19, 2024 at 04:59:27AM -0400, Paolo Bonzini wrote: > From: Isaku Yamahata > > Add a test case to exercise KVM_PRE_FAULT_MEMORY and run the guest to access the > pre-populated area. It tests KVM_PRE_FAULT_MEMORY ioctl for KVM_X86_DEFAULT_VM > and KVM_X86_SW_PROTECTED_VM. > > Signed-off-by: Isaku Yamahata > Message-ID: <32427791ef42e5efaafb05d2ac37fa4372715f47.1712785629.git.isaku.yamahata@intel.com> > Signed-off-by: Paolo Bonzini > --- > tools/include/uapi/linux/kvm.h | 8 + > tools/testing/selftests/kvm/Makefile | 1 + > .../selftests/kvm/pre_fault_memory_test.c | 146 ++++++++++++++++++ > 3 files changed, 155 insertions(+) > create mode 100644 tools/testing/selftests/kvm/pre_fault_memory_test.c > > diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h > index c3308536482b..4d66d8afdcd1 100644 > --- a/tools/include/uapi/linux/kvm.h > +++ b/tools/include/uapi/linux/kvm.h > @@ -2227,4 +2227,12 @@ struct kvm_create_guest_memfd { > __u64 reserved[6]; > }; > > +#define KVM_PRE_FAULT_MEMORY _IOWR(KVMIO, 0xd5, struct kvm_pre_fault_memory) > + > +struct kvm_pre_fault_memory { > + __u64 gpa; > + __u64 size; > + __u64 flags; nitpick: catch up for struct update. + __u64 padding[5]; > +}; > + > #endif /* __LINUX_KVM_H */ -- Isaku Yamahata