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From: Reinette Chatre <reinette.chatre@intel.com>
To: Sagi Shahar <sagis@google.com>, <linux-kselftest@vger.kernel.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	Shuah Khan <shuah@kernel.org>,
	"Sean Christopherson" <seanjc@google.com>,
	Ackerley Tng <ackerleytng@google.com>,
	Ryan Afranji <afranji@google.com>,
	Andrew Jones <ajones@ventanamicro.com>,
	Isaku Yamahata <isaku.yamahata@intel.com>,
	Erdem Aktas <erdemaktas@google.com>,
	Rick Edgecombe <rick.p.edgecombe@intel.com>,
	"Roger Wang" <runanwang@google.com>,
	Binbin Wu <binbin.wu@linux.intel.com>,
	"Oliver Upton" <oliver.upton@linux.dev>,
	"Pratik R. Sampat" <pratikrajesh.sampat@amd.com>,
	Ira Weiny <ira.weiny@intel.com>, Chao Gao <chao.gao@intel.com>,
	Chenyi Qiang <chenyi.qiang@intel.com>
Cc: <linux-kernel@vger.kernel.org>, <kvm@vger.kernel.org>
Subject: Re: [PATCH v12 07/23] KVM: selftests: Add kbuild definitons
Date: Thu, 30 Oct 2025 20:56:47 -0700	[thread overview]
Message-ID: <1fcab4ed-eee5-4fa8-9171-01ab35cde11e@intel.com> (raw)
In-Reply-To: <20251028212052.200523-8-sagis@google.com>

Hi Sagi,

typo in subject: definitons -> definitions

This is not actually a KVM selftest change though but an addition to
core tools. I do not know if such an addition can flow via the KVM tree but I
really do not think that it should be disguised as a KVM change as the
subject implies.

On 10/28/25 2:20 PM, Sagi Shahar wrote:
> Add kbuild.h that can be used by files under tools/

Similar to earlier feedback this is obvious from the patch self.

> 
> Definitions are taken from the original definitions at
> include/linux/kbuild.h

Always write in imperative mood.

> 
> This is needed to expose values from c code to assembly code.

I do not think this description is a strong motivation.
Another draft for consideration:

	Add the kbuild definitions to enable a tool to use
	the kbuild filechk_offset script to generate C header files
	containing structure member offset information.
	
	Tools depending on assembly code that operates on structures
	need to hardcode the offsets of structure members. The kernel's
	kbuild scripts can instead generate C header files with offset
	information for inclusion into assembly code. 

Reinette


  parent reply	other threads:[~2025-10-31  3:56 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-28 21:20 [PATCH v12 00/23] TDX KVM selftests Sagi Shahar
2025-10-28 21:20 ` [PATCH v12 01/23] KVM: selftests: Add macros so simplify creating VM shapes for non-default types Sagi Shahar
2025-10-29  1:13   ` Ira Weiny
2025-10-29  6:57   ` Binbin Wu
2025-10-31  3:42   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 02/23] KVM: selftests: Allocate pgd in virt_map() as necessary Sagi Shahar
2025-10-31  3:51   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 03/23] KVM: selftests: Expose functions to get default sregs values Sagi Shahar
2025-10-29  1:40   ` Ira Weiny
2025-10-31  3:43   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 04/23] KVM: selftests: Expose function to allocate guest vCPU stack Sagi Shahar
2025-10-29 13:24   ` Ira Weiny
2025-10-31  3:52   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 05/23] KVM: selftests: Update kvm_init_vm_address_properties() for TDX Sagi Shahar
2025-10-29 15:22   ` Ira Weiny
2025-10-31  3:53   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 06/23] KVM: selftests: Expose segment definitons to assembly files Sagi Shahar
2025-10-31  3:54   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 07/23] KVM: selftests: Add kbuild definitons Sagi Shahar
2025-10-29  7:43   ` Binbin Wu
2025-10-29 15:46     ` Ira Weiny
2025-10-29 15:55   ` Ira Weiny
2025-10-31  3:56   ` Reinette Chatre [this message]
2025-10-28 21:20 ` [PATCH v12 08/23] KVM: selftests: Define structs to pass parameters to TDX boot code Sagi Shahar
2025-10-29 16:37   ` Reinette Chatre
2025-10-30 14:20     ` Sean Christopherson
2025-10-31  4:01   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 09/23] KVM: selftests: Add " Sagi Shahar
2025-10-28 21:20 ` [PATCH v12 10/23] KVM: selftests: Set up TDX boot code region Sagi Shahar
2025-10-28 21:20 ` [PATCH v12 11/23] KVM: selftests: Set up TDX boot parameters region Sagi Shahar
2025-10-29  8:52   ` Binbin Wu
2025-10-29 21:01   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 12/23] KVM: selftests: Add helper to initialize TDX VM Sagi Shahar
2025-10-29 21:16   ` Ira Weiny
2025-10-29 23:01     ` Reinette Chatre
2025-10-30  1:25   ` Binbin Wu
2025-10-31  4:06   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 13/23] KVM: selftests: TDX: Use KVM_TDX_CAPABILITIES to validate TDs' attribute configuration Sagi Shahar
2025-10-29 21:19   ` Ira Weiny
2025-10-30  1:35   ` Binbin Wu
2025-10-28 21:20 ` [PATCH v12 14/23] KVM: selftests: Add helpers to init TDX memory and finalize VM Sagi Shahar
2025-10-29 21:27   ` Ira Weiny
2025-10-30  2:32   ` Binbin Wu
2025-10-31 15:58   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 15/23] KVM: selftests: Call TDX init when creating a new TDX vm Sagi Shahar
2025-10-30 22:20   ` Ira Weiny
2025-10-31 16:03   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 16/23] KVM: selftests: Setup memory regions for TDX on vm creation Sagi Shahar
2025-10-29 13:18   ` Ira Weiny
2025-10-30  6:01     ` Binbin Wu
2025-10-28 21:20 ` [PATCH v12 17/23] KVM: selftests: Call KVM_TDX_INIT_VCPU when creating a new TDX vcpu Sagi Shahar
2025-10-30  6:15   ` Binbin Wu
2025-10-28 21:20 ` [PATCH v12 18/23] KVM: selftests: Set entry point for TDX guest code Sagi Shahar
2025-10-31 16:03   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 19/23] KVM: selftests: Finalize TD memory as part of kvm_arch_vm_finalize_vcpus Sagi Shahar
2025-10-31 13:10   ` Ira Weiny
2025-10-31 16:05   ` Reinette Chatre
2025-10-28 21:20 ` [PATCH v12 20/23] KVM: selftests: Add support for TDX TDCALL from guest Sagi Shahar
2025-10-31 14:11   ` Ira Weiny
2025-10-31 15:15     ` Sean Christopherson
2025-10-31 15:58       ` Sagi Shahar
2025-10-31 16:12         ` Sean Christopherson
2025-10-31 16:01       ` Sean Christopherson
2025-10-28 21:20 ` [PATCH v12 21/23] KVM: selftests: Add wrapper for TDX MMIO " Sagi Shahar
2025-10-31 14:21   ` Ira Weiny
2025-10-28 21:20 ` [PATCH v12 22/23] KVM: selftests: Add ucall support for TDX Sagi Shahar
2025-10-31 14:38   ` Ira Weiny
2025-10-31 15:55   ` Sean Christopherson
2025-10-28 21:20 ` [PATCH v12 23/23] KVM: selftests: Add TDX lifecycle test Sagi Shahar

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