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From: Sathyanarayanan Kuppuswamy  <sathyanarayanan.kuppuswamy@linux.intel.com>
To: Wander Lairson Costa <wander@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, Shuah Khan <shuah@kernel.org>,
	Jonathan Corbet <corbet@lwn.net>,
	"H . Peter Anvin" <hpa@zytor.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
	Tony Luck <tony.luck@intel.com>, Kai Huang <kai.huang@intel.com>,
	Isaku Yamahata <isaku.yamahata@gmail.com>,
	marcelo.cerri@canonical.com, tim.gardner@canonical.com,
	khalid.elmously@canonical.com, philip.cox@canonical.com,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-doc@vger.kernel.org
Subject: Re: [PATCH v17 2/3] virt: Add TDX guest driver
Date: Wed, 9 Nov 2022 07:37:30 -0800	[thread overview]
Message-ID: <6cab73d3-4d56-8069-f0f1-d47346c7bd15@linux.intel.com> (raw)
In-Reply-To: <ccbbb331-80c5-75bf-cd5d-82748ad63a60@linux.intel.com>



On 11/9/22 7:36 AM, Sathyanarayanan Kuppuswamy wrote:
> TDG.MR.TDCALL expects reportdata and tdreport buffers to be size aligned. So,
> allocating them together with sizeof(struct tdx report req) will not work. We
> can get around this by allocating a slightly larger buffer size. However, because
> it is not a time-critical path, I believe that allocating two separate buffers
> for input/output is simpler.

I mean't TDG.MR.REPORT TDCALL.

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer

  reply	other threads:[~2022-11-09 15:42 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-04  3:23 [PATCH v17 0/3] Add TDX Guest Attestation support Kuppuswamy Sathyanarayanan
2022-11-04  3:23 ` [PATCH v17 1/3] x86/tdx: Add a wrapper to get TDREPORT from the TDX Module Kuppuswamy Sathyanarayanan
2022-11-10 15:16   ` Wander Lairson Costa
2022-11-11 18:35   ` Dave Hansen
2022-11-15  0:33     ` Sathyanarayanan Kuppuswamy
2022-11-15  0:54       ` Dave Hansen
2022-11-16  6:25         ` Sathyanarayanan Kuppuswamy
2022-11-04  3:23 ` [PATCH v17 2/3] virt: Add TDX guest driver Kuppuswamy Sathyanarayanan
2022-11-09 14:24   ` Wander Lairson Costa
2022-11-09 15:36     ` Sathyanarayanan Kuppuswamy
2022-11-09 15:37       ` Sathyanarayanan Kuppuswamy [this message]
2022-11-10 15:17   ` Wander Lairson Costa
2022-11-04  3:23 ` [PATCH v17 3/3] selftests: tdx: Test TDX attestation GetReport support Kuppuswamy Sathyanarayanan
2022-11-10 15:17   ` Wander Lairson Costa
2022-11-10  3:41 ` [PATCH v17 0/3] Add TDX Guest Attestation support Sathyanarayanan Kuppuswamy

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