From: <dan.j.williams@intel.com>
To: Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@linux.intel.com>,
Dan Williams <dan.j.williams@intel.com>,
"Kirill A . Shutemov" <kas@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
Rick Edgecombe <rick.p.edgecombe@intel.com>, <x86@kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-coco@lists.linux.dev>
Subject: Re: [PATCH v1 1/3] virt: tsm: Document size limits for outblob attributes
Date: Tue, 10 Feb 2026 18:15:11 -0800 [thread overview]
Message-ID: <698be62f7802_8c32100e2@dwillia2-mobl4.notmuch> (raw)
In-Reply-To: <20260211001712.1531955-2-sathyanarayanan.kuppuswamy@linux.intel.com>
Kuppuswamy Sathyanarayanan wrote:
> The configfs-tsm-report interface can fail with -EFBIG when the
> attestation report generated by a TSM provider exceeds internal
> maximums (TSM_REPORT_OUTBLOB_MAX). However, this error condition and
> its handling are not currently documented in the ABI.
>
> Userspace tools need to understand how to interpret various error
> conditions when reading attestation reports.
>
> Document that reads fail with -EFBIG when reports exceed size limits,
> with guidance on how to resolve them.
>
> Reviewed-by: Fang Peter <peter.fang@intel.com>
> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Looks good, I will change the subject to:
"configfs-tsm-report: Document size limits for outblob attributes"
next prev parent reply other threads:[~2026-02-11 2:15 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-11 0:17 [PATCH v1 0/3] Increase CoCo attestation report buffer size Kuppuswamy Sathyanarayanan
2026-02-11 0:17 ` [PATCH v1 1/3] virt: tsm: Document size limits for outblob attributes Kuppuswamy Sathyanarayanan
2026-02-11 2:15 ` dan.j.williams [this message]
2026-02-11 16:40 ` Kuppuswamy Sathyanarayanan
2026-02-11 20:48 ` dan.j.williams
2026-02-11 0:17 ` [PATCH v1 2/3] virt: tsm: Increase TSM_REPORT_OUTBLOB_MAX to 16MB Kuppuswamy Sathyanarayanan
2026-02-11 2:16 ` dan.j.williams
2026-02-11 0:17 ` [PATCH v1 3/3] virt: tdx-guest: Increase Quote buffer size to 128KB Kuppuswamy Sathyanarayanan
2026-02-11 2:19 ` dan.j.williams
2026-02-11 11:17 ` Kiryl Shutsemau
2026-02-11 18:40 ` Kuppuswamy Sathyanarayanan
2026-02-11 21:06 ` dan.j.williams
2026-02-11 21:13 ` Kuppuswamy Sathyanarayanan
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