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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1770832829; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=5H33nLi0SoHivrTscJw2N5Ge+Jjpm7kzTnoeygJeNQU=; b=MpB3esIoRG/Pk8n7Ey+lMMX9zTymatrfj7NFIq99uDxthnPA2BrxhauKYGhMh+mF3eMbxy Ti3khkmfZfHasi5PprcIdAu2Wm3ULYSwz5e8wRnJbL+OBDiNHlUlt2DOdAG2WpQ8LDIhnX +UIkBSUCg2dq4X6eibgAiW8ATphnhbk= X-MC-Unique: Vhc6orHEMJ-LmT6S31ducw-1 X-Mimecast-MFC-AGG-ID: Vhc6orHEMJ-LmT6S31ducw_1770832825 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: Eduardo Habkost , Zhao Liu , Paolo Bonzini , Richard Henderson , Pierrick Bouvier , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Subject: [PATCH] docs: simplify DiamondRapids CPU docs Date: Wed, 11 Feb 2026 18:00:21 +0000 Message-ID: <20260211180021.1057478-1-berrange@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1770832877591154100 This aligns the first line of the docs with the style used for previous CPU models, and simplifies the text in the remaining docs. Signed-off-by: Daniel P. Berrang=C3=A9 Reviewed-by: Pierrick Bouvier Reviewed-by: Zhao Liu --- docs/system/cpu-models-x86.rst.inc | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/docs/system/cpu-models-x86.rst.inc b/docs/system/cpu-models-x8= 6.rst.inc index 3605d05a8c..9d4486c978 100644 --- a/docs/system/cpu-models-x86.rst.inc +++ b/docs/system/cpu-models-x86.rst.inc @@ -72,17 +72,13 @@ compatibility is required, use the newest CPU model tha= t is compatible across all desired hosts. =20 ``DiamondRapids`` - Intel Xeon Processor. + Intel Xeon Processor (DiamondRapids, 2025) =20 - Diamond Rapids product has a topology which differs from previous Xeon - products. It does not support SMT, but instead features a dual core - module (DCM) architecture. It also has core building blocks (CBB - die - level in CPU topology). The cache hierarchy is organized as follows: - L1 i/d cache is per thread, L2 cache is per DCM, and L3 cache is per - CBB. This cache topology can be emulated for DiamondRapids CPU model - using the smp-cache configuration as shown below: - - Example: + This does not include SMT but allows the module (dual core module + - DCM) and die (core building block - CBB) topology levels. The + cache hierarchy is L1 i/d cache per thread, L2 cache per module, + and L3 cache per die, which can be emulated using the smp-cache + option: =20 :: =20 --=20 2.53.0