From: Tom Lendacky <thomas.lendacky@amd.com>
To: "Kirill A. Shutemov" <kirill@shutemov.name>,
Borislav Petkov <bp@alien8.de>
Cc: linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
linux-kernel@vger.kernel.org, x86@kernel.org,
iommu@lists.linux-foundation.org, kvm@vger.kernel.org,
linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org,
linux-graphics-maintainer@vmware.com,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org,
Brijesh Singh <brijesh.singh@amd.com>,
Joerg Roedel <joro@8bytes.org>, Andi Kleen <ak@linux.intel.com>,
Sathyanarayanan Kuppuswamy
<sathyanarayanan.kuppuswamy@linux.intel.com>,
Tianyu Lan <Tianyu.Lan@microsoft.com>,
Christoph Hellwig <hch@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Will Deacon <will@kernel.org>
Subject: Re: [PATCH v3 5/8] x86/sme: Replace occurrences of sme_active() with cc_platform_has()
Date: Tue, 21 Sep 2021 16:43:59 -0500 [thread overview]
Message-ID: <00f52bf8-cbc6-3721-f40e-2f51744751b0@amd.com> (raw)
In-Reply-To: <20210921213401.i2pzaotgjvn4efgg@box.shutemov.name>
On 9/21/21 4:34 PM, Kirill A. Shutemov wrote:
> On Tue, Sep 21, 2021 at 11:27:17PM +0200, Borislav Petkov wrote:
>> On Wed, Sep 22, 2021 at 12:20:59AM +0300, Kirill A. Shutemov wrote:
>>> I still believe calling cc_platform_has() from __startup_64() is totally
>>> broken as it lacks proper wrapping while accessing global variables.
>>
>> Well, one of the issues on the AMD side was using boot_cpu_data too
>> early and the Intel side uses it too. Can you replace those checks with
>> is_tdx_guest() or whatever was the helper's name which would check
>> whether the the kernel is running as a TDX guest, and see if that helps?
>
> There's no need in Intel check this early. Only AMD need it. Maybe just
> opencode them?
Any way you can put a gzipped/bzipped copy of your vmlinux file somewhere
I can grab it from and take a look at it?
Thanks,
Tom
>
WARNING: multiple messages have this Message-ID (diff)
From: Tom Lendacky via iommu <iommu@lists.linux-foundation.org>
To: "Kirill A. Shutemov" <kirill@shutemov.name>,
Borislav Petkov <bp@alien8.de>
Cc: linux-efi@vger.kernel.org, Brijesh Singh <brijesh.singh@amd.com>,
kvm@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
dri-devel@lists.freedesktop.org,
platform-driver-x86@vger.kernel.org,
Will Deacon <will@kernel.org>,
linux-s390@vger.kernel.org, Andi Kleen <ak@linux.intel.com>,
x86@kernel.org, amd-gfx@lists.freedesktop.org,
Christoph Hellwig <hch@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
linux-graphics-maintainer@vmware.com,
Tianyu Lan <Tianyu.Lan@microsoft.com>,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v3 5/8] x86/sme: Replace occurrences of sme_active() with cc_platform_has()
Date: Tue, 21 Sep 2021 16:43:59 -0500 [thread overview]
Message-ID: <00f52bf8-cbc6-3721-f40e-2f51744751b0@amd.com> (raw)
In-Reply-To: <20210921213401.i2pzaotgjvn4efgg@box.shutemov.name>
On 9/21/21 4:34 PM, Kirill A. Shutemov wrote:
> On Tue, Sep 21, 2021 at 11:27:17PM +0200, Borislav Petkov wrote:
>> On Wed, Sep 22, 2021 at 12:20:59AM +0300, Kirill A. Shutemov wrote:
>>> I still believe calling cc_platform_has() from __startup_64() is totally
>>> broken as it lacks proper wrapping while accessing global variables.
>>
>> Well, one of the issues on the AMD side was using boot_cpu_data too
>> early and the Intel side uses it too. Can you replace those checks with
>> is_tdx_guest() or whatever was the helper's name which would check
>> whether the the kernel is running as a TDX guest, and see if that helps?
>
> There's no need in Intel check this early. Only AMD need it. Maybe just
> opencode them?
Any way you can put a gzipped/bzipped copy of your vmlinux file somewhere
I can grab it from and take a look at it?
Thanks,
Tom
>
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Tom Lendacky <thomas.lendacky@amd.com>
To: "Kirill A. Shutemov" <kirill@shutemov.name>,
Borislav Petkov <bp@alien8.de>
Cc: Sathyanarayanan Kuppuswamy
<sathyanarayanan.kuppuswamy@linux.intel.com>,
linux-efi@vger.kernel.org, Brijesh Singh <brijesh.singh@amd.com>,
kvm@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
dri-devel@lists.freedesktop.org,
platform-driver-x86@vger.kernel.org,
Will Deacon <will@kernel.org>,
linux-s390@vger.kernel.org, Andi Kleen <ak@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>,
x86@kernel.org, amd-gfx@lists.freedesktop.org,
Christoph Hellwig <hch@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
linux-graphics-maintainer@vmware.com,
Tianyu Lan <Tianyu.Lan@microsoft.com>,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v3 5/8] x86/sme: Replace occurrences of sme_active() with cc_platform_has()
Date: Tue, 21 Sep 2021 16:43:59 -0500 [thread overview]
Message-ID: <00f52bf8-cbc6-3721-f40e-2f51744751b0@amd.com> (raw)
In-Reply-To: <20210921213401.i2pzaotgjvn4efgg@box.shutemov.name>
On 9/21/21 4:34 PM, Kirill A. Shutemov wrote:
> On Tue, Sep 21, 2021 at 11:27:17PM +0200, Borislav Petkov wrote:
>> On Wed, Sep 22, 2021 at 12:20:59AM +0300, Kirill A. Shutemov wrote:
>>> I still believe calling cc_platform_has() from __startup_64() is totally
>>> broken as it lacks proper wrapping while accessing global variables.
>>
>> Well, one of the issues on the AMD side was using boot_cpu_data too
>> early and the Intel side uses it too. Can you replace those checks with
>> is_tdx_guest() or whatever was the helper's name which would check
>> whether the the kernel is running as a TDX guest, and see if that helps?
>
> There's no need in Intel check this early. Only AMD need it. Maybe just
> opencode them?
Any way you can put a gzipped/bzipped copy of your vmlinux file somewhere
I can grab it from and take a look at it?
Thanks,
Tom
>
WARNING: multiple messages have this Message-ID (diff)
From: Tom Lendacky <thomas.lendacky@amd.com>
To: "Kirill A. Shutemov" <kirill@shutemov.name>,
Borislav Petkov <bp@alien8.de>
Cc: linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
linux-kernel@vger.kernel.org, x86@kernel.org,
iommu@lists.linux-foundation.org, kvm@vger.kernel.org,
linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org,
linux-graphics-maintainer@vmware.com,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org,
Brijesh Singh <brijesh.singh@amd.com>,
Joerg Roedel <joro@8bytes.org>, Andi Kleen <ak@linux.intel.com>,
Sathyanarayanan Kuppuswamy
<sathyanarayanan.kuppuswamy@linux.intel.com>,
Tianyu Lan <Tianyu.Lan@microsoft.com>,
Christoph Hellwig <hch@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Will Deacon <will@kernel.org>
Subject: Re: [PATCH v3 5/8] x86/sme: Replace occurrences of sme_active() with cc_platform_has()
Date: Tue, 21 Sep 2021 16:43:59 -0500 [thread overview]
Message-ID: <00f52bf8-cbc6-3721-f40e-2f51744751b0@amd.com> (raw)
In-Reply-To: <20210921213401.i2pzaotgjvn4efgg@box.shutemov.name>
On 9/21/21 4:34 PM, Kirill A. Shutemov wrote:
> On Tue, Sep 21, 2021 at 11:27:17PM +0200, Borislav Petkov wrote:
>> On Wed, Sep 22, 2021 at 12:20:59AM +0300, Kirill A. Shutemov wrote:
>>> I still believe calling cc_platform_has() from __startup_64() is totally
>>> broken as it lacks proper wrapping while accessing global variables.
>>
>> Well, one of the issues on the AMD side was using boot_cpu_data too
>> early and the Intel side uses it too. Can you replace those checks with
>> is_tdx_guest() or whatever was the helper's name which would check
>> whether the the kernel is running as a TDX guest, and see if that helps?
>
> There's no need in Intel check this early. Only AMD need it. Maybe just
> opencode them?
Any way you can put a gzipped/bzipped copy of your vmlinux file somewhere
I can grab it from and take a look at it?
Thanks,
Tom
>
_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec
next prev parent reply other threads:[~2021-09-21 21:44 UTC|newest]
Thread overview: 233+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-08 22:58 [PATCH v3 0/8] Implement generic cc_platform_has() helper function Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky via iommu
2021-09-08 22:58 ` [PATCH v3 1/8] x86/ioremap: Selectively build arch override encryption functions Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky via iommu
2021-09-08 22:58 ` [PATCH v3 2/8] mm: Introduce a function to check for confidential computing features Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky via iommu
2021-09-09 7:35 ` Christophe Leroy
2021-09-09 7:35 ` Christophe Leroy
2021-09-09 7:35 ` Christophe Leroy
2021-09-09 7:35 ` Christophe Leroy
2021-09-10 15:02 ` Borislav Petkov
2021-09-10 15:02 ` Borislav Petkov
2021-09-10 15:02 ` Borislav Petkov
2021-09-10 15:02 ` Borislav Petkov
2021-09-10 15:02 ` Borislav Petkov
2021-09-08 22:58 ` [PATCH v3 3/8] x86/sev: Add an x86 version of cc_platform_has() Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky via iommu
2021-09-11 10:10 ` Borislav Petkov
2021-09-11 10:10 ` Borislav Petkov
2021-09-11 10:10 ` Borislav Petkov
2021-09-11 10:10 ` Borislav Petkov
2021-09-11 10:10 ` Borislav Petkov
2021-09-08 22:58 ` [PATCH v3 4/8] powerpc/pseries/svm: Add a powerpc " Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky via iommu
2021-09-09 7:40 ` Christophe Leroy
2021-09-09 7:40 ` Christophe Leroy
2021-09-09 7:40 ` Christophe Leroy
2021-09-09 7:40 ` Christophe Leroy
2021-09-14 11:58 ` Borislav Petkov
2021-09-14 11:58 ` Borislav Petkov
2021-09-14 11:58 ` Borislav Petkov
2021-09-14 11:58 ` Borislav Petkov
2021-09-14 11:58 ` Borislav Petkov
2021-09-14 14:47 ` Christophe Leroy
2021-09-14 14:47 ` Christophe Leroy
2021-09-14 14:47 ` Christophe Leroy
2021-09-14 14:47 ` Christophe Leroy
2021-09-14 14:47 ` Christophe Leroy
2021-09-14 14:56 ` Borislav Petkov
2021-09-14 14:56 ` Borislav Petkov
2021-09-14 14:56 ` Borislav Petkov
2021-09-14 14:56 ` Borislav Petkov
2021-09-14 14:56 ` Borislav Petkov
2021-09-15 0:28 ` Michael Ellerman
2021-09-15 0:28 ` Michael Ellerman
2021-09-15 0:28 ` Michael Ellerman
2021-09-15 0:28 ` Michael Ellerman
2021-09-15 0:28 ` Michael Ellerman
2021-09-15 10:08 ` Borislav Petkov
2021-09-15 10:08 ` Borislav Petkov
2021-09-15 10:08 ` Borislav Petkov
2021-09-15 10:08 ` Borislav Petkov
2021-09-15 10:08 ` Borislav Petkov
2021-09-15 17:18 ` Christophe Leroy
2021-09-15 17:18 ` Christophe Leroy
2021-09-15 17:18 ` Christophe Leroy
2021-09-15 17:18 ` Christophe Leroy
2021-09-15 17:18 ` Christophe Leroy
2021-09-15 18:47 ` Borislav Petkov
2021-09-15 18:47 ` Borislav Petkov
2021-09-15 18:47 ` Borislav Petkov
2021-09-15 18:47 ` Borislav Petkov
2021-09-15 18:47 ` Borislav Petkov
2021-09-16 7:35 ` Christoph Hellwig
2021-09-16 7:35 ` Christoph Hellwig
2021-09-16 7:35 ` Christoph Hellwig
2021-09-16 7:35 ` Christoph Hellwig
2021-09-16 7:35 ` Christoph Hellwig
2021-09-16 11:51 ` Michael Ellerman
2021-09-16 11:51 ` Michael Ellerman
2021-09-16 11:51 ` Michael Ellerman
2021-09-16 11:51 ` Michael Ellerman
2021-09-16 11:51 ` Michael Ellerman
2021-09-08 22:58 ` [PATCH v3 5/8] x86/sme: Replace occurrences of sme_active() with cc_platform_has() Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky via iommu
2021-09-14 18:24 ` Borislav Petkov
2021-09-14 18:24 ` Borislav Petkov
2021-09-14 18:24 ` Borislav Petkov
2021-09-14 18:24 ` Borislav Petkov
2021-09-14 18:24 ` Borislav Petkov
2021-09-20 19:23 ` Kirill A. Shutemov
2021-09-20 19:23 ` Kirill A. Shutemov
2021-09-20 19:23 ` Kirill A. Shutemov
2021-09-20 19:23 ` Kirill A. Shutemov
2021-09-20 19:23 ` Kirill A. Shutemov
2021-09-21 17:04 ` Tom Lendacky
2021-09-21 17:04 ` Tom Lendacky
2021-09-21 17:04 ` Tom Lendacky
2021-09-21 17:04 ` Tom Lendacky
2021-09-21 17:04 ` Tom Lendacky via iommu
2021-09-21 17:47 ` Borislav Petkov
2021-09-21 17:47 ` Borislav Petkov
2021-09-21 17:47 ` Borislav Petkov
2021-09-21 17:47 ` Borislav Petkov
2021-09-21 17:47 ` Borislav Petkov
2021-09-21 21:20 ` Kirill A. Shutemov
2021-09-21 21:20 ` Kirill A. Shutemov
2021-09-21 21:20 ` Kirill A. Shutemov
2021-09-21 21:20 ` Kirill A. Shutemov
2021-09-21 21:20 ` Kirill A. Shutemov
2021-09-21 21:27 ` Borislav Petkov
2021-09-21 21:27 ` Borislav Petkov
2021-09-21 21:27 ` Borislav Petkov
2021-09-21 21:27 ` Borislav Petkov
2021-09-21 21:27 ` Borislav Petkov
2021-09-21 21:34 ` Kirill A. Shutemov
2021-09-21 21:34 ` Kirill A. Shutemov
2021-09-21 21:34 ` Kirill A. Shutemov
2021-09-21 21:34 ` Kirill A. Shutemov
2021-09-21 21:34 ` Kirill A. Shutemov
2021-09-21 21:43 ` Tom Lendacky [this message]
2021-09-21 21:43 ` Tom Lendacky
2021-09-21 21:43 ` Tom Lendacky
2021-09-21 21:43 ` Tom Lendacky
2021-09-21 21:43 ` Tom Lendacky via iommu
2021-09-21 21:58 ` Kirill A. Shutemov
2021-09-21 21:58 ` Kirill A. Shutemov
2021-09-21 21:58 ` Kirill A. Shutemov
2021-09-21 21:58 ` Kirill A. Shutemov
2021-09-21 21:58 ` Kirill A. Shutemov
2021-09-22 13:40 ` Tom Lendacky
2021-09-22 13:40 ` Tom Lendacky
2021-09-22 13:40 ` Tom Lendacky
2021-09-22 13:40 ` Tom Lendacky
2021-09-22 13:40 ` Tom Lendacky via iommu
2021-09-22 14:30 ` Kirill A. Shutemov
2021-09-22 14:30 ` Kirill A. Shutemov
2021-09-22 14:30 ` Kirill A. Shutemov
2021-09-22 14:30 ` Kirill A. Shutemov
2021-09-22 14:30 ` Kirill A. Shutemov
2021-09-22 19:52 ` Borislav Petkov
2021-09-22 19:52 ` Borislav Petkov
2021-09-22 19:52 ` Borislav Petkov
2021-09-22 19:52 ` Borislav Petkov
2021-09-22 19:52 ` Borislav Petkov
2021-09-22 21:05 ` Kirill A. Shutemov
2021-09-22 21:05 ` Kirill A. Shutemov
2021-09-22 21:05 ` Kirill A. Shutemov
2021-09-22 21:05 ` Kirill A. Shutemov
2021-09-22 21:05 ` Kirill A. Shutemov
2021-09-23 18:21 ` Borislav Petkov
2021-09-23 18:21 ` Borislav Petkov
2021-09-23 18:21 ` Borislav Petkov
2021-09-23 18:21 ` Borislav Petkov
2021-09-23 18:21 ` Borislav Petkov
2021-09-24 9:41 ` Kirill A. Shutemov
2021-09-24 9:41 ` Kirill A. Shutemov
2021-09-24 9:41 ` Kirill A. Shutemov
2021-09-24 9:41 ` Kirill A. Shutemov
2021-09-24 9:41 ` Kirill A. Shutemov
2021-09-24 9:51 ` Borislav Petkov
2021-09-24 9:51 ` Borislav Petkov
2021-09-24 9:51 ` Borislav Petkov
2021-09-24 9:51 ` Borislav Petkov
2021-09-24 9:51 ` Borislav Petkov
2021-09-24 13:31 ` Tom Lendacky
2021-09-24 13:31 ` Tom Lendacky
2021-09-24 13:31 ` Tom Lendacky
2021-09-24 13:31 ` Tom Lendacky
2021-09-24 13:31 ` Tom Lendacky via iommu
2021-09-08 22:58 ` [PATCH v3 6/8] x86/sev: Replace occurrences of sev_active() " Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky via iommu
2021-09-08 22:58 ` [PATCH v3 7/8] x86/sev: Replace occurrences of sev_es_active() " Tom Lendacky via iommu
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` [PATCH v3 8/8] treewide: Replace the use of mem_encrypt_active() " Tom Lendacky via iommu
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-08 22:58 ` Tom Lendacky
2021-09-09 7:25 ` Christophe Leroy
2021-09-09 7:25 ` Christophe Leroy
2021-09-09 7:25 ` Christophe Leroy
2021-09-09 7:25 ` Christophe Leroy
2021-09-09 7:25 ` Christophe Leroy
2021-09-09 13:10 ` Tom Lendacky via iommu
2021-09-09 13:10 ` Tom Lendacky
2021-09-09 13:10 ` Tom Lendacky
2021-09-09 13:10 ` Tom Lendacky
2021-09-09 13:10 ` Tom Lendacky
2021-09-09 7:32 ` [PATCH v3 0/8] Implement generic cc_platform_has() helper function Christian Borntraeger
2021-09-09 7:32 ` Christian Borntraeger
2021-09-09 7:32 ` Christian Borntraeger
2021-09-09 7:32 ` Christian Borntraeger
2021-09-09 7:32 ` Christian Borntraeger
2021-09-09 13:01 ` Tom Lendacky
2021-09-09 13:01 ` Tom Lendacky
2021-09-09 13:01 ` Tom Lendacky
2021-09-09 13:01 ` Tom Lendacky
2021-09-09 13:01 ` Tom Lendacky via iommu
2021-09-15 16:46 ` Borislav Petkov
2021-09-15 16:46 ` Borislav Petkov
2021-09-15 16:46 ` Borislav Petkov
2021-09-15 16:46 ` Borislav Petkov
2021-09-15 16:46 ` Borislav Petkov
2021-09-15 17:26 ` Kuppuswamy, Sathyanarayanan
2021-09-15 17:26 ` Kuppuswamy, Sathyanarayanan
2021-09-15 17:26 ` Kuppuswamy, Sathyanarayanan
2021-09-15 17:26 ` Kuppuswamy, Sathyanarayanan
2021-09-15 17:26 ` Kuppuswamy, Sathyanarayanan
2021-09-16 15:02 ` Borislav Petkov
2021-09-16 15:02 ` Borislav Petkov
2021-09-16 15:02 ` Borislav Petkov
2021-09-16 15:02 ` Borislav Petkov
2021-09-16 15:02 ` Borislav Petkov
2021-09-16 18:38 ` Kuppuswamy, Sathyanarayanan
2021-09-16 18:38 ` Kuppuswamy, Sathyanarayanan
2021-09-16 18:38 ` Kuppuswamy, Sathyanarayanan
2021-09-16 18:38 ` Kuppuswamy, Sathyanarayanan
2021-09-16 18:38 ` Kuppuswamy, Sathyanarayanan
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