From patchwork Wed Sep 25 15:01:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ard Biesheuvel X-Patchwork-Id: 830544 Received: from mail-wm1-f73.google.com (mail-wm1-f73.google.com [209.85.128.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 542C977117 for ; Wed, 25 Sep 2024 15:01:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727276518; cv=none; b=Mv5AzVzgt8tckZ7MkbQiZTdWChVYt2bNmgNQqbCj7A0be5nFS0q4VvvKkyTaloAURiLnCjBnKbo2wh4oaTZXTQZPFOpigT3aF6IXl1vMb9ZC7eWDfWutiAVM6DE/lkSRCx3D5Dj5wLOL1CystyqaKSqoclB7R9zO83XljVMlYKA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727276518; c=relaxed/simple; bh=rk1TLausu3D2x4uz05lRhrdTMxiTSLA2fDl1meeIK+I=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=DDcoyVdkDrzQ/p5oNaRlqiFugSnysijWN1fJHM3a5GY/7wYRwU+2GqhZRw88uUkH5NCLhy6NMOFstDmC49VqnQgBYTGSry5qY7yL51sqv/xt9MDza85M7wWai0SqMQKwAR3YnE8iG4+mvWdYGjiNL98rEBfwkXsOIYr81h3zP1o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--ardb.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=VFVz+AlT; arc=none smtp.client-ip=209.85.128.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--ardb.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="VFVz+AlT" Received: by mail-wm1-f73.google.com with SMTP id 5b1f17b1804b1-42cb940cd67so63317415e9.0 for ; Wed, 25 Sep 2024 08:01:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1727276515; x=1727881315; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=yjSReXj8XxN+J1aHSpg+bgY7XO8zJXJrh2uX1BeFRGQ=; b=VFVz+AlT0fVj8J3pb0uIJQLGxkYCKkAvLDgcAohPDUXmaMuk6UTbw4uq+CHcsEoRZ/ 5x5aSnW20fDUqHmuY3uMAA6I80/9rPDD/5xGciRxrWzTnMT2UtipActHUBezkRFpEjjj sOG059kJtCdOCKA5XBwzrZmIOIa5S/UmblboEdVQKaDLNiR6M6X2DIjGQ4+n7oN0yCPj sb6pNNvyVesjn3JTHhpQAoqB4ylt5fKdSAS0LSqxRycl+oVbZWRIh3MrNoaPcUJI0dRJ +onoD54UsA3PxnhIJe/kNKf8LKnhjzLE+eMh0qFTJDtNpVvQBt0X749C/T9XvKosb9xa ZuuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727276515; x=1727881315; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=yjSReXj8XxN+J1aHSpg+bgY7XO8zJXJrh2uX1BeFRGQ=; b=IeGBh98RloiaDymJ2Bbbi38ZGR4z/49GPLIo1SIH1IOB4pDylZa62eXpSl8TIXgOpS 6tRZZzCydrfD1IAcWZFdkGWLQoS+uQQi1ZUlSkjla/Q9dqhi3eE2g0iL5cI6PKjtXAQi 57Jm6EfVygHvUaUA+wMx/Y+NWrfRrsVef0zQPNnYU97oo/6bPJj4Sow7Fd9RnUyY3mw6 Y7y85++F4Ij2OF69WEON++qLhxjx5lc8sPFtApK8h62xX2VcRZNy6g9Uk6AS45y3Iu3W qE39oExV0FzLYqcUE9TWSnWEqv7frdrkx76QEGGhhaK8hkUM0ivb23WgYC4a1V6AT0Na NuuQ== X-Forwarded-Encrypted: i=1; AJvYcCWOHtC0B1VKTuXGseslV3b8GqwCUHEnJNOUNulnTrvHChRKz98omIjujukGY83QNDablYBq/LLg+F8=@vger.kernel.org X-Gm-Message-State: AOJu0YxytRGw4FWunmanaNUDot9Rm438KDuyStIvdnSCc3zWXQ8LXXgx EqLIZoaoUjqioSOaK6MZRBerp+48gIC2Np5VYlHz6aQxxndm2ZUenFwRoph5rdvtNrPv3Q== X-Google-Smtp-Source: AGHT+IGzIZ2o2YM9LwRx7GUBkPXP1nnHd93bOM06M/lDtcRNJJFbQb+/UGpm4f4GZO5kVPvAO8R9y3yP X-Received: from palermo.c.googlers.com ([fda3:e722:ac3:cc00:7b:198d:ac11:8138]) (user=ardb job=sendgmr) by 2002:a05:600c:214f:b0:42c:b32e:6ba7 with SMTP id 5b1f17b1804b1-42e9624246bmr34035e9.6.1727276514236; Wed, 25 Sep 2024 08:01:54 -0700 (PDT) Date: Wed, 25 Sep 2024 17:01:02 +0200 In-Reply-To: <20240925150059.3955569-30-ardb+git@google.com> Precedence: bulk X-Mailing-List: linux-efi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240925150059.3955569-30-ardb+git@google.com> X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 X-Developer-Signature: v=1; a=openpgp-sha256; l=1869; i=ardb@kernel.org; h=from:subject; bh=Etb53DEUMtJxbS45M94XzvcBugumXuKFZ3M2B/KYBNo=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JIe2L6jquDX165ub5J178W1mVH21S/GxP0fqUgljlqYpRR x60nEvpKGVhEONgkBVTZBGY/ffdztMTpWqdZ8nCzGFlAhnCwMUpABPRa2RkeBV2XNd/yacJf4IS mc47ex9ud90aJbN1Uf8PDSuxLfrPTjD8rwhuEVogxe0Xov++IjA4keVg55+fz6JEZeM/B04o0/B nBgA= X-Mailer: git-send-email 2.46.0.792.g87dc391469-goog Message-ID: <20240925150059.3955569-32-ardb+git@google.com> Subject: [RFC PATCH 02/28] Documentation: Bump minimum GCC version to 8.1 From: Ard Biesheuvel To: linux-kernel@vger.kernel.org Cc: Ard Biesheuvel , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Uros Bizjak , Dennis Zhou , Tejun Heo , Christoph Lameter , Mathieu Desnoyers , Paolo Bonzini , Vitaly Kuznetsov , Juergen Gross , Boris Ostrovsky , Greg Kroah-Hartman , Arnd Bergmann , Masahiro Yamada , Kees Cook , Nathan Chancellor , Keith Packard , Justin Stitt , Josh Poimboeuf , Arnaldo Carvalho de Melo , Namhyung Kim , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , linux-doc@vger.kernel.org, linux-pm@vger.kernel.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org, linux-efi@vger.kernel.org, linux-arch@vger.kernel.org, linux-sparse@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-perf-users@vger.kernel.org, rust-for-linux@vger.kernel.org, llvm@lists.linux.dev From: Ard Biesheuvel Bump the minimum GCC version to 8.1 to gain unconditional support for referring to the per-task stack cookie using a symbol rather than relying on the fixed offset of 40 bytes from %GS, which requires elaborate hacks to support. Signed-off-by: Ard Biesheuvel Acked-by: Arnd Bergmann Acked-by: Miguel Ojeda Acked-by: Mark Rutland --- Documentation/admin-guide/README.rst | 2 +- Documentation/process/changes.rst | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/admin-guide/README.rst b/Documentation/admin-guide/README.rst index f2bebff6a733..3dda41923ed6 100644 --- a/Documentation/admin-guide/README.rst +++ b/Documentation/admin-guide/README.rst @@ -259,7 +259,7 @@ Configuring the kernel Compiling the kernel -------------------- - - Make sure you have at least gcc 5.1 available. + - Make sure you have at least gcc 8.1 available. For more information, refer to :ref:`Documentation/process/changes.rst `. - Do a ``make`` to create a compressed kernel image. It is also possible to do diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst index 00f1ed7c59c3..59b7d3d8a577 100644 --- a/Documentation/process/changes.rst +++ b/Documentation/process/changes.rst @@ -29,7 +29,7 @@ you probably needn't concern yourself with pcmciautils. ====================== =============== ======================================== Program Minimal version Command to check the version ====================== =============== ======================================== -GNU C 5.1 gcc --version +GNU C 8.1 gcc --version Clang/LLVM (optional) 13.0.1 clang --version Rust (optional) 1.78.0 rustc --version bindgen (optional) 0.65.1 bindgen --version