From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 44A9E606A32A for ; Tue, 10 Nov 2026 09:56:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.a=rsa-sha256 header.s=default header.b=R8qGFG/8 Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1xQiae-0003k2-UQ; Tue, 10 Nov 2026 04:56:32 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xQiab-0003jD-CG for qemu-devel@nongnu.org; Tue, 10 Nov 2026 04:56:29 -0500 Received: from linux.microsoft.com ([13.77.154.182]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1xQiaZ-0004nX-K4 for qemu-devel@nongnu.org; Tue, 10 Nov 2026 04:56:28 -0500 Received: from laptop.localdomain (unknown [81.196.141.39]) by linux.microsoft.com (Postfix) with ESMTPSA id 3BAE320B7169; Tue, 10 Nov 2026 01:56:21 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 3BAE320B7169 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1794304583; bh=ntLjdW/MmqC2nG46W/sqXowqt4r14nluTg+4QyLOY9E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R8qGFG/81FDZehjs0Ms7Po71YdBbKW/u9oJUzXGHB3tn0SprV+HgRQiWZ6YabZ7Uc s2Hr3mjJ4RGEVHzZ70ZHKK294+FdEsZEVCBLtHn+OsIByGocgH7IShrF7xikjwixdB sEsJAdPPfBaKrkIzX5gAkzFuK2LKujJhpDgNNJ0Q= From: =?UTF-8?q?Doru=20Bl=C3=A2nzeanu?= To: qemu-devel@nongnu.org Cc: Wei Liu , Magnus Kulke , Zhao Liu , Paolo Bonzini , Wei Liu , =?UTF-8?q?Doru=20Bl=C3=A2nzeanu?= , =?UTF-8?q?Doru=20Bl=C3=A2nzeanu?= , Magnus Kulke Subject: [PATCH v2 1/3] i386/cpu.c: Adjust minimum xlevel to 0x8000_001E when TOPOEXT is enabled Date: Tue, 10 Nov 2026 11:56:15 +0200 Message-ID: <20261110095617.50713-2-dblanzeanu@linux.microsoft.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20261110095617.50713-1-dblanzeanu@linux.microsoft.com> References: <20261110095617.50713-1-dblanzeanu@linux.microsoft.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=13.77.154.182; envelope-from=dblanzeanu@linux.microsoft.com; helo=linux.microsoft.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 This ensures the guests can discover the AMD cache and processor topology leaves when TOPOEXT feature is enabled. Signed-off-by: Doru Blânzeanu --- target/i386/cpu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index eab0d5a4d4..e443132ce9 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -9911,6 +9911,11 @@ void x86_cpu_expand_features(X86CPU *cpu, Error **errp) x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000000A); } + /* TOPOEXT requires CPUID[0x8000001D] and CPUID[0x8000001E] */ + if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_TOPOEXT) { + x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000001E); + } + /* SEV requires CPUID[0x8000001F] */ if (sev_enabled()) { x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000001F); -- 2.54.0