linux-kernel - [tip:x86/cpu] kbuild: Raise the minimum required binutils version to 2.21

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Message-ID: <tip-1fb12b35e5ffe379d109b22cb3069830d0136d9a@git.kernel.org>
Date:   Sat, 22 Jun 2019 03:06:12 -0700
From:   "tip-bot for Chang S. Bae" <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tglx@...utronix.de, ravi.v.shankar@...el.com,
        linux-kernel@...r.kernel.org, chang.seok.bae@...el.com,
        hpa@...or.com, luto@...nel.org, torvalds@...ux-foundation.org,
        mingo@...nel.org, ak@...ux.intel.com, akpm@...ux-foundation.org
Subject: [tip:x86/cpu] kbuild: Raise the minimum required binutils version
 to 2.21

Commit-ID:  1fb12b35e5ffe379d109b22cb3069830d0136d9a
Gitweb:     https://git.kernel.org/tip/1fb12b35e5ffe379d109b22cb3069830d0136d9a
Author:     Chang S. Bae <chang.seok.bae@...el.com>
AuthorDate: Wed, 8 May 2019 03:02:19 -0700
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sat, 22 Jun 2019 11:38:51 +0200

kbuild: Raise the minimum required binutils version to 2.21

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

Suggested-by: Andi Kleen <ak@...ux.intel.com>
Signed-off-by: Chang S. Bae <chang.seok.bae@...el.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Andi Kleen <ak@...ux.intel.com>
Acked-by: Andrew Morton <akpm@...ux-foundation.org>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Ravi Shankar <ravi.v.shankar@...el.com>
Cc: Linux Torvalds <torvalds@...ux-foundation.org>
Cc: H. Peter Anvin <hpa@...or.com>
Link: https://lkml.kernel.org/r/1557309753-24073-5-git-send-email-chang.seok.bae@intel.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
 ----------