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From: "Nikunj A. Dadhania" <nikunj@amd.com>
To: Tom Lendacky <thomas.lendacky@amd.com>,
	Dionna Amalie Glaze <dionnaglaze@google.com>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
	kvm@vger.kernel.org, bp@alien8.de, mingo@redhat.com,
	tglx@linutronix.de, dave.hansen@linux.intel.com,
	pgonda@google.com, seanjc@google.com, pbonzini@redhat.com
Subject: Re: [PATCH v5 05/14] virt: sev-guest: Add vmpck_id to snp_guest_dev struct
Date: Thu, 2 Nov 2023 09:33:44 +0530	[thread overview]
Message-ID: <5b005b81-792a-4338-8085-e064c273f887@amd.com> (raw)
In-Reply-To: <57b904e1-9a17-9203-e275-4b5a31ca8a71@amd.com>

On 10/30/2023 10:42 PM, Tom Lendacky wrote:
> On 10/30/23 11:16, Dionna Amalie Glaze wrote:
>> On Sun, Oct 29, 2023 at 11:38 PM Nikunj A Dadhania <nikunj@amd.com> wrote:

>>> @@ -656,32 +674,14 @@ static const struct file_operations snp_guest_fops = {
>>>          .unlocked_ioctl = snp_guest_ioctl,
>>>   };
>>>
>>> -static u8 *get_vmpck(int id, struct snp_secrets_page_layout *layout, u32 **seqno)
>>> +bool snp_assign_vmpck(struct snp_guest_dev *dev, int vmpck_id)
>>>   {
>>> -       u8 *key = NULL;
>>> +       if (WARN_ON(vmpck_id > 3))
>>> +               return false;
>>
>> The vmpck_id is an int for some reason, so < 0 is also a problem. Can
>> we not use unsigned int?

Yes, I will update that in my next revision,

Thanks
Nikunj


  reply	other threads:[~2023-11-02  4:04 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-30  6:36 [PATCH v5 00/14] Add Secure TSC support for SNP guests Nikunj A Dadhania
2023-10-30  6:36 ` [PATCH v5 01/14] virt: sev-guest: Use AES GCM crypto library Nikunj A Dadhania
2023-10-30 17:51   ` Tom Lendacky
2023-11-02  3:33     ` Nikunj A. Dadhania
2023-10-30  6:36 ` [PATCH v5 02/14] virt: sev-guest: Move mutex to SNP guest device structure Nikunj A Dadhania
2023-10-30  6:36 ` [PATCH v5 03/14] virt: sev-guest: Replace dev_dbg with pr_debug Nikunj A Dadhania
2023-10-30  6:36 ` [PATCH v5 04/14] virt: sev-guest: Add SNP guest request structure Nikunj A Dadhania
2023-10-30 18:16   ` Tom Lendacky
2023-11-02  4:01     ` Nikunj A. Dadhania
2023-10-30  6:36 ` [PATCH v5 05/14] virt: sev-guest: Add vmpck_id to snp_guest_dev struct Nikunj A Dadhania
2023-10-30 16:16   ` Dionna Amalie Glaze
2023-10-30 17:12     ` Tom Lendacky
2023-11-02  4:03       ` Nikunj A. Dadhania [this message]
2023-10-30 18:26   ` Tom Lendacky
2023-10-30  6:36 ` [PATCH v5 06/14] x86/sev: Cache the secrets page address Nikunj A Dadhania
2023-10-30  6:36 ` [PATCH v5 07/14] x86/sev: Move and reorganize sev guest request api Nikunj A Dadhania
2023-10-30 19:16   ` Tom Lendacky
2023-11-02  4:28     ` Nikunj A. Dadhania
2023-11-02 14:17       ` Tom Lendacky
2023-10-30  6:36 ` [PATCH v5 08/14] x86/mm: Add generic guest initialization hook Nikunj A Dadhania
2023-10-30 17:23   ` Dave Hansen
2023-11-02  4:30     ` Nikunj A. Dadhania
2023-10-30 19:19   ` Tom Lendacky
2023-11-02  5:08     ` Nikunj A. Dadhania
2023-10-30  6:36 ` [PATCH v5 09/14] x86/sev: Add Secure TSC support for SNP guests Nikunj A Dadhania
2023-10-30 16:46   ` Dionna Amalie Glaze
2023-11-02  5:13     ` Nikunj A. Dadhania
2023-10-30 20:26   ` Tom Lendacky
2023-11-02  5:36     ` Nikunj A. Dadhania
2023-11-02 14:29       ` Tom Lendacky
2023-11-02  5:41     ` Nikunj A. Dadhania
2023-11-02 10:36       ` Kirill A. Shutemov
2023-11-06 10:45         ` Nikunj A. Dadhania
2023-11-06 13:00           ` Kirill A. Shutemov
2023-10-30  6:36 ` [PATCH v5 10/14] x86/sev: Change TSC MSR behavior for Secure TSC enabled guests Nikunj A Dadhania
2023-10-30  6:36 ` [PATCH v5 11/14] x86/sev: Prevent RDTSC/RDTSCP interception " Nikunj A Dadhania
2023-10-30 20:32   ` Tom Lendacky
2023-11-02  5:47     ` Nikunj A. Dadhania
2023-10-30  6:36 ` [PATCH v5 12/14] x86/kvmclock: Skip kvmclock when Secure TSC is available Nikunj A Dadhania
2023-10-30 21:00   ` Tom Lendacky
2023-11-02  5:39     ` Nikunj A. Dadhania
2023-10-30  6:36 ` [PATCH v5 13/14] x86/tsc: Mark Secure TSC as reliable clocksource Nikunj A Dadhania
2023-10-30 17:18   ` Dave Hansen
2023-11-02  5:53     ` Nikunj A. Dadhania
2023-11-02 10:33       ` Kirill A. Shutemov
2023-11-02 12:07         ` Nikunj A. Dadhania
2023-11-02 12:16           ` Nikunj A. Dadhania
2023-11-02 12:38             ` Kirill A. Shutemov
2023-11-06 11:53               ` Nikunj A. Dadhania
2023-11-06 13:03                 ` Kirill A. Shutemov
2023-10-30  6:36 ` [PATCH v5 14/14] x86/sev: Enable Secure TSC for SNP guests Nikunj A Dadhania

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