Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   "Chang S. Bae" <chang.seok.bae@intel.com>
To:     Andy Lutomirski <luto@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@kernel.org>,
        "H . Peter Anvin" <hpa@zytor.com>, Andi Kleen <ak@linux.intel.com>
Cc:     Markus T Metzger <markus.t.metzger@intel.com>,
        Ravi Shankar <ravi.v.shankar@intel.com>,
        "Chang S . Bae" <chang.seok.bae@intel.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Linux Torvalds <torvalds@linux-foundation.org>
Subject: [PATCH v5 03/13] kbuild: Raise the minimum required binutils version to 2.21
Date:   Fri,  1 Feb 2019 12:53:08 -0800
Message-Id: <20190201205319.15995-4-chang.seok.bae@intel.com>
In-Reply-To: <20190201205319.15995-1-chang.seok.bae@intel.com>
References: <20190201205319.15995-1-chang.seok.bae@intel.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

It helps to use some new instructions directly in inline assembly.

Suggested-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Linux Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
---
 Documentation/process/changes.rst | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst
index 18735dc460a0..0a18075c485e 100644
--- a/Documentation/process/changes.rst
+++ b/Documentation/process/changes.rst
@@ -31,7 +31,7 @@ you probably needn't concern yourself with isdn4k-utils.
 ====================== ===============  ========================================
 GNU C                  4.6              gcc --version
 GNU make               3.81             make --version
-binutils               2.20             ld -v
+binutils               2.21             ld -v
 flex                   2.5.35           flex --version
 bison                  2.0              bison --version
 util-linux             2.10o            fdformat --version
@@ -77,9 +77,7 @@ You will need GNU make 3.81 or later to build the kernel.
 Binutils
 --------
 
-The build system has, as of 4.13, switched to using thin archives (`ar T`)
-rather than incremental linking (`ld -r`) for built-in.a intermediate steps.
-This requires binutils 2.20 or newer.
+Binutils 2.21 or newer is needed to build the kernel.
 
 pkg-config
 ----------
-- 
2.19.1