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From: "Nikunj A. Dadhania" <nikunj@amd.com>
To: Tom Lendacky <thomas.lendacky@amd.com>,
	linux-kernel@vger.kernel.org, bp@alien8.de, x86@kernel.org,
	kvm@vger.kernel.org
Cc: mingo@redhat.com, tglx@linutronix.de,
	dave.hansen@linux.intel.com, pgonda@google.com,
	seanjc@google.com, pbonzini@redhat.com
Subject: Re: [PATCH v11 17/20] x86/sev: Allow Secure TSC feature for SNP guests
Date: Mon, 16 Sep 2024 11:53:02 +0530	[thread overview]
Message-ID: <fe7c8dcb-4936-2b70-4033-0ca730da10a0@amd.com> (raw)
In-Reply-To: <ddd3dfe3-986d-4433-13c4-c65c15673e9a@amd.com>



On 9/13/2024 10:23 PM, Tom Lendacky wrote:
> On 7/31/24 10:08, Nikunj A Dadhania wrote:
>> Now that all the required plumbing is done for enabling SNP Secure TSC
>> feature, add Secure TSC to SNP features present list.
> 
> So I think this should be the last patch in the series after the TSC is
> marked reliable, kvmclock is bypassed, etc. This way everything is in
> place when the guest is allowed to run with Secure TSC.

Sure, I can re-arrange that. I had re-arranged it in this order so the
TSC related problems are visible after SecureTSC is enabled and fix them.

> 
>>
>> Signed-off-by: Nikunj A Dadhania <nikunj@amd.com>
>> Tested-by: Peter Gonda <pgonda@google.com>
> 
> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>

Regards
Nikunj

  reply	other threads:[~2024-09-16  6:23 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-31 15:07 [PATCH v11 00/20] Add Secure TSC support for SNP guests Nikunj A Dadhania
2024-07-31 15:07 ` [PATCH v11 01/20] virt: sev-guest: Replace dev_dbg with pr_debug Nikunj A Dadhania
2024-07-31 15:07 ` [PATCH v11 02/20] virt: sev-guest: Rename local guest message variables Nikunj A Dadhania
2024-09-13 17:22   ` Tom Lendacky
2024-07-31 15:07 ` [PATCH v11 03/20] virt: sev-guest: Fix user-visible strings Nikunj A Dadhania
2024-09-13 17:26   ` Tom Lendacky
2024-07-31 15:07 ` [PATCH v11 04/20] virt: sev-guest: Ensure the SNP guest messages do not exceed a page Nikunj A Dadhania
2024-07-31 15:07 ` [PATCH v11 05/20] virt: sev-guest: Use AES GCM crypto library Nikunj A Dadhania
2024-07-31 15:07 ` [PATCH v11 06/20] x86/sev: Handle failures from snp_init() Nikunj A Dadhania
2024-08-27 11:32   ` Borislav Petkov
2024-08-28  4:47     ` Nikunj A. Dadhania
2024-08-28  9:49       ` Borislav Petkov
2024-08-28 10:16         ` Nikunj A. Dadhania
2024-08-28 10:23           ` Borislav Petkov
2024-07-31 15:07 ` [PATCH v11 07/20] x86/sev: Cache the secrets page address Nikunj A Dadhania
2024-07-31 15:07 ` [PATCH v11 08/20] virt: sev-guest: Consolidate SNP guest messaging parameters to a struct Nikunj A Dadhania
2024-09-04 14:31   ` Borislav Petkov
2024-09-05  4:35     ` Nikunj A. Dadhania
2024-07-31 15:08 ` [PATCH v11 09/20] virt: sev-guest: Reduce the scope of SNP command mutex Nikunj A Dadhania
2024-09-12 21:54   ` Tom Lendacky
2024-09-13  4:26     ` Nikunj A. Dadhania
2024-09-13 14:06       ` Tom Lendacky
2024-07-31 15:08 ` [PATCH v11 10/20] virt: sev-guest: Carve out SNP message context structure Nikunj A Dadhania
2024-09-13 15:52   ` Tom Lendacky
2024-07-31 15:08 ` [PATCH v11 11/20] x86/sev: Carve out and export SNP guest messaging init routines Nikunj A Dadhania
2024-09-13 15:53   ` Tom Lendacky
2024-07-31 15:08 ` [PATCH v11 12/20] x86/sev: Relocate SNP guest messaging routines to common code Nikunj A Dadhania
2024-09-13 16:27   ` Tom Lendacky
2024-09-16  4:42     ` Nikunj A. Dadhania
2024-07-31 15:08 ` [PATCH v11 13/20] x86/cc: Add CC_ATTR_GUEST_SECURE_TSC Nikunj A Dadhania
2024-09-13 15:21   ` Tom Lendacky
2024-09-16  4:53     ` Nikunj A. Dadhania
2024-07-31 15:08 ` [PATCH v11 14/20] x86/sev: Add Secure TSC support for SNP guests Nikunj A Dadhania
2024-09-13 16:29   ` Tom Lendacky
2024-07-31 15:08 ` [PATCH v11 15/20] x86/sev: Change TSC MSR behavior for Secure TSC enabled guests Nikunj A Dadhania
2024-07-31 15:08 ` [PATCH v11 16/20] x86/sev: Prevent RDTSC/RDTSCP interception " Nikunj A Dadhania
2024-09-13 16:49   ` Tom Lendacky
2024-07-31 15:08 ` [PATCH v11 17/20] x86/sev: Allow Secure TSC feature for SNP guests Nikunj A Dadhania
2024-09-13 16:53   ` Tom Lendacky
2024-09-16  6:23     ` Nikunj A. Dadhania [this message]
2024-07-31 15:08 ` [PATCH v11 18/20] x86/sev: Mark Secure TSC as reliable clocksource Nikunj A Dadhania
2024-09-13 16:59   ` Tom Lendacky
2024-07-31 15:08 ` [PATCH v11 19/20] x86/kvmclock: Skip kvmclock when Secure TSC is available Nikunj A Dadhania
2024-09-13 17:19   ` Tom Lendacky
2024-09-13 17:30   ` Sean Christopherson
2024-09-16 15:20     ` Nikunj A. Dadhania
2024-09-18 12:07       ` Sean Christopherson
2024-09-20  5:15         ` Nikunj A. Dadhania
2024-09-20  7:21           ` Sean Christopherson
2024-09-20  8:54             ` Nikunj A. Dadhania
2024-09-25  8:53               ` Nikunj A. Dadhania
2024-09-25 12:55                 ` Sean Christopherson
2024-09-30  6:27                   ` Nikunj A. Dadhania
2024-09-30 21:20                     ` Thomas Gleixner
2024-10-01  4:26                       ` Nikunj A. Dadhania
2024-10-01 14:36                         ` Nikunj A. Dadhania
2024-07-31 15:08 ` [PATCH v11 20/20] x86/cpu/amd: Do not print FW_BUG for Secure TSC Nikunj A Dadhania
2024-09-13 17:21   ` Tom Lendacky
2024-09-13 17:42   ` Jim Mattson
2024-09-16 11:40     ` Nikunj A. Dadhania
2024-09-16 20:21       ` Jim Mattson
2024-08-14  4:14 ` [PATCH v11 00/20] Add Secure TSC support for SNP guests Nikunj A. Dadhania

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