From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793831806; b=tCLw6eB05IgMu04wN7UeKB/0beipxH0dTR60w0bfNH7DjbDX2V2ecDR7aGkYyjgyIqL/ gB3hcZg0VdUZY9/2yfudTr5qECS4kf7O+CuLrAtEeZhgiDbfYfWC4pbz8/OIxlHiVbReS +nPZyVC/pweB0x0jUdUKRJYuME6CYqWe4jdoaUe9wnl6icEi1otHS1Ed3REs5PlbdaEcB BOQpVlTvtxKnM5bn0seT4bJnPCjLQi3LnpDeuemcSyTZjwFcswGjv+cVwd4eqvSI+hpXF ywThGajO3Zx8P68QmzYRWpJZBQMpK3QC1HghdYACFnXl48ilr4Q/ggO1oWVgN5vAoig== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793831806; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=ykv065ZGtlKQ+fhAkRS8DC6a4DUXfS/wsBQAR1Qkm6k=; b=p8unU+rwiMCbiLjzdvqYKkGdJ9Du44zT6igEapUK2xe9HoG2SaxBUmFieHdbmtET5L+g Xoh6/iwALyKd0YCVs7zx481PeXOm1G6aipXWFr/qqKHw1mNyiWal3YIFyI2Mcwol79ItZ A6V2kT/qfeauVvK7vh2dG1UCc+mSsGvuVBcCxIxpUFyDelcBwu12L0wIoBh51BtkFta6N N4RNTQCbYw8qi1iTtzsF+ZDCQO5WrWvnf18UkhWFr7xS1pP/knGLYGbGDBHo5+CBLltxT cQvKjoFGIIaLztcNRaldBJJBhQWdwWNi1q6+0bbCbN0THO8Mx6JOsXYz7cZ7/Iauxrg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=qSrHx4hq; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AB55B606A336; Wed, 4 Nov 2026 22:36:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=qSrHx4hq Received: by smtp.kernel.org (Postfix) with ESMTPSA id 495951F000C1; Wed, 4 Nov 2026 22:36:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793831805; bh=ykv065ZGtlKQ+fhAkRS8DC6a4DUXfS/wsBQAR1Qkm6k=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=qSrHx4hq/+JuaqHwD30TYVOFxq8BAOAuNOZTILeov8s+DZVF8JuKjYDx54Xn5Z6F1 P8IxE7Q2U/Bs58E1qt1xGGGbSgiFfkkLBdDaLM1dE78bK0lHdv7qHESPS9XXXGEMwn NCpNqDUkXaW7vaPxYVwDj2GZHYGsPU9rhxf4Quys= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Rick Edgecombe , Sean Christopherson , "Borislav Petkov (AMD)" Subject: [PATCH 6.18 0923/1005] x86/cpuid: Mark CPUID function 0x23 as being indexed Date: Wed, 4 Nov 2026 16:10:56 -0500 Message-ID: <20261104211109.001468285@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261104211043.516122098@linuxfoundation.org> References: <20261104211043.516122098@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: patches@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sean Christopherson commit 108775fa28fe04a16f19a828a779689f3d0ea9f0 upstream. Add function 0x23 to the set of CPUID functions that are indexed, as per the SDM and the many sub-leafs defined in leaf_types.h. Closes: https://lore.kernel.org/all/213d614fe73e183a230c8f4e0c8fa1cc3d45df39.camel@intel.com Reported-by: Rick Edgecombe Signed-off-by: Sean Christopherson Signed-off-by: Borislav Petkov (AMD) Tested-by: Rick Edgecombe Cc: stable@vger.kernel.org Link: https://patch.msgid.link/20261022210134.612848-2-seanjc@google.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/include/asm/cpuid/api.h | 1 + 1 file changed, 1 insertion(+) --- a/arch/x86/include/asm/cpuid/api.h +++ b/arch/x86/include/asm/cpuid/api.h @@ -180,6 +180,7 @@ static __always_inline bool cpuid_functi case 0x1d: case 0x1e: case 0x1f: + case 0x23: case 0x24: case 0x8000001d: return true;