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From: Dave Hansen <dave.hansen@intel.com>
To: Nataliia Bondarevska <bondarn@google.com>
Cc: "Reshetova, Elena" <elena.reshetova@intel.com>,
	"Annapurve, Vishal" <vannapurve@google.com>,
	"jarkko@kernel.org" <jarkko@kernel.org>,
	"seanjc@google.com" <seanjc@google.com>,
	"Huang, Kai" <kai.huang@intel.com>,
	"mingo@kernel.org" <mingo@kernel.org>,
	"linux-sgx@vger.kernel.org" <linux-sgx@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"x86@kernel.org" <x86@kernel.org>,
	"Mallick, Asit K" <asit.k.mallick@intel.com>,
	"Scarlata, Vincent R" <vincent.r.scarlata@intel.com>,
	"Cai, Chong" <chongc@google.com>,
	"Aktas, Erdem" <erdemaktas@google.com>,
	"Raynor, Scott" <scott.raynor@intel.com>
Subject: Re: [PATCH v15 0/5] Enable automatic SVN updates for SGX enclaves
Date: Mon, 29 Sep 2025 13:50:16 -0700	[thread overview]
Message-ID: <1881634c-7a19-4570-b7de-54ce50e76675@intel.com> (raw)
In-Reply-To: <CAFbLv2fPwV6u8HX=zKntVLwKeBsbEu62J49uC0kL237HDRiUfQ@mail.gmail.com>

On 9/29/25 13:33, Nataliia Bondarevska wrote:
>> Could someone please spend a few minutes to explain what this tag means?
> My apologies; I've clarified the details of the testing below.
> 
> The verification was performed on a SPR machine. The objective was to
> confirm the successful, runtime update of the CPUSVN using a targeted
> microcode package.
> Steps Taken:
>  - identified a microcode package version, designed to update CPUSVN
>    number on the machine;
>  - initiated a dynamic load of the package during OS runtime;
>  - confirmed the CPUSVN was upgraded post-load.

OK, so you're basically saying it managed to update the SVN on real
hardware. You also had to go run an enclave or at least open /dev/sgx,
right?

Also, does this tag mean, "I tested this in my company's environment and
this ABI is sufficient for us until the end of time?" Because there was
also some feedback on earlier work that this series as-is was going to
be insufficient.

  reply	other threads:[~2025-09-29 20:50 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-18  7:11 Elena Reshetova
2025-08-18  7:11 ` [PATCH v15 1/5] x86/sgx: Introduce functions to count the sgx_(vepc_)open() Elena Reshetova
2025-08-18  7:11 ` [PATCH v15 2/5] x86/cpufeatures: Add X86_FEATURE_SGX_EUPDATESVN feature flag Elena Reshetova
2025-08-18  7:11 ` [PATCH v15 3/5] x86/sgx: Define error codes for use by ENCLS[EUPDATESVN] Elena Reshetova
2025-08-18  7:11 ` [PATCH v15 4/5] x86/sgx: Implement ENCLS[EUPDATESVN] Elena Reshetova
2025-08-18  7:11 ` [PATCH v15 5/5] x86/sgx: Enable automatic SVN updates for SGX enclaves Elena Reshetova
2025-09-05 19:37 ` [PATCH v15 0/5] " Dave Hansen
2025-09-05 21:18   ` Vishal Annapurve
2025-09-29  7:17     ` Reshetova, Elena
2025-09-29 17:12       ` Nataliia Bondarevska
2025-09-29 17:35         ` Dave Hansen
2025-09-29 20:33           ` Nataliia Bondarevska
2025-09-29 20:50             ` Dave Hansen [this message]
2025-09-29 21:58               ` Nataliia Bondarevska

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