From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3B0D83A9622; Sat, 12 Sep 2026 18:38:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789238307; cv=none; b=a9Y/SXY8KYMI95W44jZOWBpq562x2/PS9TNM8Jhg/6F/Ib5lYqxQdovz/VqlD/mknImA8b7hwIrJzxtaQGrZuhC/YgRw5xORksaO8VbemF6ud64mjYqe1pSPo7VoOBHChhkDfXi9opV06AbZMfedlsFxQ6Jma77S4/CZFsRKYTI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789238307; c=relaxed/simple; bh=tiODtU+gAcRjVb+wSTvVmc2q5zOVZ3qN0/HV18sAR6c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ezChYhDZ/zuSXakmadU6IsGFBLHBLf6Z4gOCWhFE2fa5ZViFfR8DV4oahPbxZqH0mWdgxZje90fP7jctpx14u8fcrd7rS0tFqcPt1KwU9TJpnW+7D5VHq9BCyfUVNpc2AnhoSSbjj9VrVHNiDGMdOsVtJ+mO+L57M2bMc94DVNw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=1EM03nyq; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="1EM03nyq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E52E41F000FF; Sat, 12 Sep 2026 18:38:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789238305; bh=EEDyXzdr9jtGuawYf9IdHjTP4BH5Ah9LrHibkTYmnUk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=1EM03nyqBK0Ph1WMm/3vQa5wXWRxYSlXWXasa5A89oua+22SqtXhANaENnA6Nh+2u kS+fBCELxpSCPwjcZ/fcSDjVAoOUfwLIipzD/4/+chBCbFVFYHbec3UoPmrj0hj2E3 9OLF5Cwes7k8fd1O9HYjPp2jkpHmrWYKpG6GFkjg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hisam Mehboob , Thomas Gleixner , Sasha Levin Subject: [PATCH 5.15 434/935] selftests/rseq: Replace glibc-specific __GNUC_PREREQ with portable check Date: Sat, 12 Sep 2026 08:57:44 +0200 Message-ID: <20260912065536.783085714@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065526.833703348@linuxfoundation.org> References: <20260912065526.833703348@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hisam Mehboob [ Upstream commit d7b2769f8dba3e5f40d2a8a11988812d51160b17 ] Building the rseq selftests against musl libc fails because musl's does not provide the glibc-specific __GNUC_PREREQ macro: error: missing binary operator before token '(' Replace __GNUC_PREREQ(11, 1) with an equivalent check using __GNUC__ and __GNUC_MINOR__ directly. This pattern is portable across all C library implementations and is already used elsewhere in the tools/ tree (e.g., tools/include/linux/string.h). This also allows removing the #include , which was only needed for __GNUC_PREREQ. Fixes: 886ddfba933f ("selftests/rseq: Introduce thread pointer getters") Signed-off-by: Hisam Mehboob Signed-off-by: Thomas Gleixner Link: https://patch.msgid.link/20260618193724.589113-2-hisamshar@gmail.com Signed-off-by: Sasha Levin --- tools/testing/selftests/rseq/rseq-x86-thread-pointer.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/tools/testing/selftests/rseq/rseq-x86-thread-pointer.h b/tools/testing/selftests/rseq/rseq-x86-thread-pointer.h index d3133587d9968..5a29d6bec51f4 100644 --- a/tools/testing/selftests/rseq/rseq-x86-thread-pointer.h +++ b/tools/testing/selftests/rseq/rseq-x86-thread-pointer.h @@ -8,13 +8,11 @@ #ifndef _RSEQ_X86_THREAD_POINTER #define _RSEQ_X86_THREAD_POINTER -#include - #ifdef __cplusplus extern "C" { #endif -#if __GNUC_PREREQ (11, 1) +#if __GNUC__ > 11 || (__GNUC__ == 11 && __GNUC_MINOR__ >= 1) static inline void *rseq_thread_pointer(void) { return __builtin_thread_pointer(); -- 2.53.0