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=1794049842; b=DdeF5wsh6bZkic+3EwMKB55LDypLbBCqBWfXRFNfMMS0CkqesAXGw1fXiYj14Bmc0GSr wpjPD7ex7UsQRQhLFAaqT8HqG7W2kmasbni9Eq7wFTAAJrIR+YGm3kQ6Ze8SqYBRbpKAZ eeyEPFDsX/qnIp5LhwKCQObKmKhvZQYzIOQALHBeU51kSG7PLPRta/hNJVk0zjLxiwDYm +mcdfDjAFBHVIiJr44tQ6dnHOGBit9szJAWOOAYDP7VF0AUa4jC4Q7mgAKjzam6n2wz8+ r72YA+1orgIEKlKvzBbqZ0RuiWIy9ZEVFT/tcfN00ZG2BKuv1EBksbm192pawvlAHaw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794049842; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=vLXotQ3F33qfC3IvtWIIPpMohP45Rw0jShDsSjR2xTo=; b=Eaoj85KzmEUP4NslnVYSfeNP8pHLKtI8bYIAW/6+CAcnitbyfw7I+6A4Op78uvZbGILG hll9fcmOTHv7KlmwrbJEu7X8oerFgTxT2/gfEsqKO06inGhz8GDIjgxY6wU1GxKmgGI7a oNEnRVg+wvsUJFa0bRPKwV9HwWFvppeBD+9fIj0ahvwPsyD+/+0hzik0HgucO0RYC1BPf GfBPem3jfUAxx5W+lXv96ercWXLLKTGDwtmCPPeI/X6VFOQxDFid1i27EaxmyCOIFbLse pNG65CzsWL7QS58tN7KBwf+AtGxjebk7TqFK6GIFCBFRTDE+hVOFVo6ae9LdOunPZcQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=KTNtnm0Q; 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 272C7606A326 for ; Sat, 7 Nov 2026 11:10:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=KTNtnm0Q Received: by smtp.kernel.org (Postfix) with ESMTPSA id 885E31F008A1; Sat, 7 Nov 2026 11:10:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794049842; bh=vLXotQ3F33qfC3IvtWIIPpMohP45Rw0jShDsSjR2xTo=; h=From:To:Cc:Subject:Date; b=KTNtnm0QNwk+/jZRhBSaMFWVfHuWwVkh/lVJbcmtWKHaD6YRP2XBDjEBcNE0r8aqp hYq6a6zUyTteslz0SMWvE85B5YgmMMwfGc60WUzsiR1HaQAKHjXJECe0MOmoinZj3H kaDApbLKUdk/nSz+Pe4wvx5SnJhYvwHtFbDQ/gkqlQJcgO99ZSVe23TXrldbken99o 24uJCmNuxCbm+3uR4zTgF5esBhpMXOxzOEed9RuwBZB24hi0/FcyJvQjgOKSLIM/UT nLFN/Tl0ho7trF9ThXABYKb0nvuOISgsh5ZpUl2xhiZgm4TTtShG7SNm2X/ywHcK/f ju4uHX/Wy3lFg== From: Sasha Levin To: seanjc@google.com, rick.p.edgecombe@intel.com, bp@alien8.de Cc: stable@vger.kernel.org Subject: FAILED: patch "[PATCH] x86/cpuid: Mark CPUID function 0x23 as being indexed" failed to apply to 5.15-stable tree Date: Sat, 7 Nov 2026 06:10:40 -0500 Message-ID: <20261107061040-failed-5.15-108775fa28fe@kernel.org> X-Mailer: git-send-email 2.53.0 X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 108775fa28fe04a16f19a828a779689f3d0ea9f0 # git commit -s git send-email --to '' --in-reply-to '20261107061040-failed-5.15-108775fa28fe@kernel.org' --subject-prefix 'PATCH 5.15.y' 'HEAD^..' Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From 108775fa28fe04a16f19a828a779689f3d0ea9f0 Mon Sep 17 00:00:00 2001 From: Sean Christopherson Date: Thu, 22 Oct 2026 14:01:32 -0700 Subject: [PATCH] x86/cpuid: Mark CPUID function 0x23 as being indexed 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 --- arch/x86/include/asm/cpuid/api.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/include/asm/cpuid/api.h b/arch/x86/include/asm/cpuid/api.h index 2d9f3d4d63de6..759b12d94bbfe 100644 --- a/arch/x86/include/asm/cpuid/api.h +++ b/arch/x86/include/asm/cpuid/api.h @@ -181,6 +181,7 @@ static __always_inline bool cpuid_function_is_indexed(u32 function) case 0x1d: case 0x1e: case 0x1f: + case 0x23: case 0x24: case 0x8000001d: return true; -- 2.53.0