linux-kernel - Re: [PATCH v12 03/23] KVM: selftests: Expose functions to get default sregs values

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Message-ID: <681ae106-85ee-4f6a-b0c5-37555f53df87@intel.com>
Date: Thu, 30 Oct 2025 20:43:04 -0700
From: Reinette Chatre <reinette.chatre@...el.com>
To: Sagi Shahar <sagis@...gle.com>, <linux-kselftest@...r.kernel.org>, "Paolo
 Bonzini" <pbonzini@...hat.com>, Shuah Khan <shuah@...nel.org>, "Sean
 Christopherson" <seanjc@...gle.com>, Ackerley Tng <ackerleytng@...gle.com>,
	Ryan Afranji <afranji@...gle.com>, Andrew Jones <ajones@...tanamicro.com>,
	Isaku Yamahata <isaku.yamahata@...el.com>, Erdem Aktas
	<erdemaktas@...gle.com>, Rick Edgecombe <rick.p.edgecombe@...el.com>, "Roger
 Wang" <runanwang@...gle.com>, Binbin Wu <binbin.wu@...ux.intel.com>, "Oliver
 Upton" <oliver.upton@...ux.dev>, "Pratik R. Sampat"
	<pratikrajesh.sampat@....com>, Ira Weiny <ira.weiny@...el.com>, Chao Gao
	<chao.gao@...el.com>, Chenyi Qiang <chenyi.qiang@...el.com>
CC: <linux-kernel@...r.kernel.org>, <kvm@...r.kernel.org>
Subject: Re: [PATCH v12 03/23] KVM: selftests: Expose functions to get default
 sregs values

Hi Sagi,

On 10/28/25 2:20 PM, Sagi Shahar wrote:
> TDX can't set sregs values directly using KVM_SET_SREGS. Expose the
> default values of certain sregs used by TDX VMs so they can be set
> manually.
> 
> Reviewed-by: Binbin Wu <binbin.wu@...ux.intel.com>
> Signed-off-by: Sagi Shahar <sagis@...gle.com>
> ---
>  .../selftests/kvm/include/x86/processor.h     | 33 +++++++++++++++++++
>  .../testing/selftests/kvm/lib/x86/processor.c | 12 +++----
>  2 files changed, 38 insertions(+), 7 deletions(-)
> 
> diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/testing/selftests/kvm/include/x86/processor.h
> index dd21e11e1908..9caeb3de7df6 100644
> --- a/tools/testing/selftests/kvm/include/x86/processor.h
> +++ b/tools/testing/selftests/kvm/include/x86/processor.h
> @@ -27,6 +27,10 @@ extern uint64_t guest_tsc_khz;
>  #define MAX_NR_CPUID_ENTRIES 100
>  #endif
>  
> +#ifndef NUM_INTERRUPTS
> +#define NUM_INTERRUPTS 256
> +#endif
> +

Can this duplicate snippet now be dropped from
tools/testing/selftests/kvm/lib/x86/processor.c ?

Reinette