linux-kernel - Re: [PATCH v9 06/19] KVM: selftests: Expose segment definitons to assembly files

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Message-ID: <68a77bd5bc524_2a6d02294f2@iweiny-mobl.notmuch>
Date: Thu, 21 Aug 2025 15:04:37 -0500
From: Ira Weiny <ira.weiny@...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>, Reinette Chatre <reinette.chatre@...el.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 v9 06/19] KVM: selftests: Expose segment definitons to
 assembly files

NIT:

Sagi Shahar wrote:
> Move kernel segment definitons to a separate file which can be included
                      ^^^^^^^^^^
		      definitions

And in the subject.

Otherwise seems reasonable.

Reviewed-by: Ira Weiny <ira.weiny@...el.com>

> from assembly files.
> 
> Signed-off-by: Sagi Shahar <sagis@...gle.com>
> ---
>  .../selftests/kvm/include/x86/processor_asm.h        | 12 ++++++++++++
>  tools/testing/selftests/kvm/lib/x86/processor.c      |  5 +----
>  2 files changed, 13 insertions(+), 4 deletions(-)
>  create mode 100644 tools/testing/selftests/kvm/include/x86/processor_asm.h
> 
> diff --git a/tools/testing/selftests/kvm/include/x86/processor_asm.h b/tools/testing/selftests/kvm/include/x86/processor_asm.h
> new file mode 100644
> index 000000000000..7e5386a85ca8
> --- /dev/null
> +++ b/tools/testing/selftests/kvm/include/x86/processor_asm.h
> @@ -0,0 +1,12 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Used for storing defines used by both processor.c and assembly code.
> + */
> +#ifndef SELFTEST_KVM_PROCESSOR_ASM_H
> +#define SELFTEST_KVM_PROCESSOR_ASM_H
> +
> +#define KERNEL_CS	0x8
> +#define KERNEL_DS	0x10
> +#define KERNEL_TSS	0x18
> +
> +#endif  // SELFTEST_KVM_PROCESSOR_ASM_H
> diff --git a/tools/testing/selftests/kvm/lib/x86/processor.c b/tools/testing/selftests/kvm/lib/x86/processor.c
> index 6dbf40cbbc2a..4802fc81bea7 100644
> --- a/tools/testing/selftests/kvm/lib/x86/processor.c
> +++ b/tools/testing/selftests/kvm/lib/x86/processor.c
> @@ -7,6 +7,7 @@
>  #include "test_util.h"
>  #include "kvm_util.h"
>  #include "processor.h"
> +#include "processor_asm.h"
>  #include "sev.h"
>  #include "tdx/tdx_util.h"
>  
> @@ -14,10 +15,6 @@
>  #define NUM_INTERRUPTS 256
>  #endif
>  
> -#define KERNEL_CS	0x8
> -#define KERNEL_DS	0x10
> -#define KERNEL_TSS	0x18
> -
>  vm_vaddr_t exception_handlers;
>  bool host_cpu_is_amd;
>  bool host_cpu_is_intel;
> -- 
> 2.51.0.rc1.193.gad69d77794-goog
>