From: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@linux.intel.com>
To: Kai Huang <kai.huang@intel.com>,
"Yao, Jiewen" <jiewen.yao@intel.com>,
"Nakajima, Jun" <jun.nakajima@intel.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" <x86@kernel.org>,
"H . Peter Anvin" <hpa@zytor.com>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
"Luck, Tony" <tony.luck@intel.com>,
Andi Kleen <ak@linux.intel.com>,
Wander Lairson Costa <wander@redhat.com>,
Isaku Yamahata <isaku.yamahata@gmail.com>,
"marcelo.cerri@canonical.com" <marcelo.cerri@canonical.com>,
"tim.gardner@canonical.com" <tim.gardner@canonical.com>,
"khalid.elmously@canonical.com" <khalid.elmously@canonical.com>,
"Cox, Philip" <philip.cox@canonical.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v8 2/5] x86/tdx: Add TDX Guest event notify interrupt support
Date: Mon, 27 Jun 2022 07:56:29 -0700 [thread overview]
Message-ID: <bceec213-4756-474b-6b91-51266e86c25a@linux.intel.com> (raw)
In-Reply-To: <9c7d99469179340eeecabaf3e9c414fc98900626.camel@intel.com>
On 6/27/22 4:21 AM, Kai Huang wrote:
> On Sat, 2022-06-25 at 15:35 +1200, Yao, Jiewen wrote:
>> Thank you, Jun.
>>
>> Yes. I confirmed that we will include below change to GHCI.next spec.
>>
>> ================
>> 3.5 TDG.VP.VMCALL<SetupEventNotifyInterrupt>
>>
>> From: "The host VMM should use SEAMCALL [TDWRVPS] leaf to inject an interrupt at the requested-interrupt vector into the TD via the posted-interrupt descriptor. "
>>
>> To: "The host VMM should use SEAMCALL [TDWRVPS] leaf to inject an interrupt at the requested-interrupt vector into the TD VCPU that executed TDG.VP.VMCALL <SetupEventNotifyInterrupt> via the posted-interrupt descriptor. "
>>
>
> Hi Sathy,
>
> With this change, I don't think we should use system vector anymore. Instead,
> we just need one non-migratable IRQ which has a fixed vector on a fixed cpu.
>
Yes. I will try your suggestion and make necessary changes in next version.
--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer
next prev parent reply other threads:[~2022-06-27 14:56 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-09 2:52 [PATCH v8 0/5] Add TDX Guest Attestation support Kuppuswamy Sathyanarayanan
2022-06-09 2:52 ` [PATCH v8 1/5] x86/tdx: Add TDX Guest attestation interface driver Kuppuswamy Sathyanarayanan
2022-06-24 16:51 ` Dave Hansen
2022-06-27 14:50 ` Sathyanarayanan Kuppuswamy
2022-06-27 17:24 ` Dave Hansen
2022-06-30 23:50 ` Sathyanarayanan Kuppuswamy
2022-07-05 12:07 ` Kai Huang
2022-07-05 18:45 ` Sathyanarayanan Kuppuswamy
2022-07-05 18:52 ` Dave Hansen
2022-07-05 21:21 ` Sathyanarayanan Kuppuswamy
2022-07-05 22:31 ` Kai Huang
2022-07-06 22:27 ` Sathyanarayanan Kuppuswamy
2022-07-06 22:59 ` Kai Huang
2022-07-18 22:52 ` Sathyanarayanan Kuppuswamy
2022-06-09 2:52 ` [PATCH v8 2/5] x86/tdx: Add TDX Guest event notify interrupt support Kuppuswamy Sathyanarayanan
2022-06-20 12:33 ` Kai Huang
2022-06-20 15:44 ` Sathyanarayanan Kuppuswamy
2022-06-23 9:46 ` Kai Huang
2022-06-23 10:24 ` Kai Huang
2022-06-24 22:23 ` Sathyanarayanan Kuppuswamy
2022-06-24 23:41 ` Nakajima, Jun
2022-06-25 3:35 ` Yao, Jiewen
2022-06-27 11:21 ` Kai Huang
2022-06-27 14:56 ` Sathyanarayanan Kuppuswamy [this message]
2022-07-14 0:46 ` Sathyanarayanan Kuppuswamy
2022-07-14 10:42 ` Kai Huang
2022-07-14 20:55 ` Sathyanarayanan Kuppuswamy
2022-07-14 23:58 ` Kai Huang
2022-06-09 2:52 ` [PATCH v8 3/5] x86/mm: Make tdx_enc_status_changed() vmalloc address compatible Kuppuswamy Sathyanarayanan
2022-06-09 2:52 ` [PATCH v8 4/5] x86/mm: Add noalias variants of set_memory_*crypted() functions Kuppuswamy Sathyanarayanan
2022-06-24 13:19 ` Dave Hansen
2022-06-27 15:12 ` Kirill A. Shutemov
2022-06-27 18:24 ` Dave Hansen
2022-06-28 1:15 ` Kai Huang
2022-07-05 15:29 ` Kirill A. Shutemov
2022-07-18 14:22 ` Sathyanarayanan Kuppuswamy
2022-07-19 16:13 ` Kirill A. Shutemov
2022-07-19 17:10 ` Sathyanarayanan Kuppuswamy
2022-07-19 21:55 ` Kirill A. Shutemov
2022-07-20 14:56 ` Sathyanarayanan Kuppuswamy
2022-07-20 16:17 ` Kirill A. Shutemov
2022-07-20 16:58 ` Sathyanarayanan Kuppuswamy
2022-06-09 2:52 ` [PATCH v8 5/5] x86/tdx: Add Quote generation support Kuppuswamy Sathyanarayanan
2022-06-14 12:30 ` Wander Lairson Costa
2022-06-14 12:58 ` Sathyanarayanan Kuppuswamy
2022-07-21 16:08 ` Dave Hansen
2022-07-21 16:42 ` Sathyanarayanan Kuppuswamy
2022-07-21 16:49 ` Dave Hansen
2022-07-21 16:54 ` Sathyanarayanan Kuppuswamy
2022-07-21 17:02 ` Dave Hansen
2022-07-21 17:16 ` Sathyanarayanan Kuppuswamy
2022-07-21 17:19 ` Dave Hansen
2022-07-21 18:31 ` Sathyanarayanan Kuppuswamy
2022-07-21 18:42 ` Isaku Yamahata
2022-07-21 18:52 ` Dave Hansen
2022-07-21 18:57 ` Sathyanarayanan Kuppuswamy
2022-07-21 19:23 ` Dave Hansen
2022-07-21 22:08 ` Sathyanarayanan Kuppuswamy
2022-07-21 23:16 ` Kai Huang
2022-07-21 23:32 ` Kai Huang
2022-07-22 0:27 ` Dave Hansen
2022-07-22 19:05 ` Isaku Yamahata
2022-07-22 19:13 ` Dave Hansen
2022-07-22 21:18 ` Sathyanarayanan Kuppuswamy
2022-07-22 21:24 ` Dave Hansen
2022-07-25 20:19 ` Nakajima, Jun
2022-07-25 20:23 ` Dave Hansen
2022-07-25 21:56 ` Nakajima, Jun
2022-07-25 22:06 ` Sathyanarayanan Kuppuswamy
2022-08-09 6:20 ` Guorui Yu
2022-11-21 2:04 ` Guorui Yu
2022-11-21 2:26 ` Dave Hansen
2023-01-07 0:58 ` Erdem Aktas
2022-07-25 11:05 ` Kai Huang
2022-06-24 18:24 ` [PATCH v8 0/5] Add TDX Guest Attestation support Dave Hansen
2022-06-27 14:51 ` Sathyanarayanan Kuppuswamy
2022-06-27 18:51 ` Dave Hansen
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