From: Andy Lutomirski <luto@kernel.org>
To: "Chang S. Bae" <chang.seok.bae@intel.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: 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>,
Markus T Metzger <markus.t.metzger@intel.com>,
Ravi Shankar <ravi.v.shankar@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
Linux Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH v5 03/13] kbuild: Raise the minimum required binutils version to 2.21
Date: Fri, 1 Feb 2019 18:45:44 -0800 [thread overview]
Message-ID: <CALCETrVcY4VhOX5DG7dwoy6RgiQ3iZCZ_h_dXP_5RuuRuoChfQ@mail.gmail.com> (raw)
In-Reply-To: <20190201205319.15995-4-chang.seok.bae@intel.com>
On Fri, Feb 1, 2019 at 12:54 PM Chang S. Bae <chang.seok.bae@intel.com> wrote:
>
> It helps to use some new instructions directly in inline assembly.
akpm, can you ack this patch? AFAIK you are the only, or at least
most vocal, user of ancient userspace to build new kernels. Are you
okay with this?
>
> 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
>
next prev parent reply other threads:[~2019-02-02 2:46 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-01 20:53 [PATCH v5 00/13] x86: Enable FSGSBASE instructions Chang S. Bae
2019-02-01 20:53 ` [PATCH v5 01/13] taint: Introduce a new taint flag (insecure) Chang S. Bae
2019-02-02 2:42 ` Andy Lutomirski
2019-02-05 21:21 ` Andrew Morton
2019-02-05 22:46 ` Randy Dunlap
2019-02-05 23:07 ` hpa
2019-02-01 20:53 ` [PATCH v5 02/13] x86/fsgsbase/64: Add 'unsafe_fsgsbase' to enable CR4.FSGSBASE Chang S. Bae
2019-02-01 20:53 ` [PATCH v5 03/13] kbuild: Raise the minimum required binutils version to 2.21 Chang S. Bae
2019-02-02 2:45 ` Andy Lutomirski [this message]
2019-02-05 0:08 ` Andrew Morton
2019-02-01 20:53 ` [PATCH v5 04/13] x86/fsgsbase/64: Add intrinsics for FSGSBASE instructions Chang S. Bae
2019-02-02 2:52 ` Andy Lutomirski
2019-02-01 20:53 ` [PATCH v5 04/13] x86/fsgsbase/64: Add intrinsics/macros " Chang S. Bae
2019-02-01 20:53 ` [PATCH v5 05/13] x86/fsgsbase/64: Enable FSGSBASE instructions in the helper functions Chang S. Bae
2019-02-02 2:57 ` Andy Lutomirski
2019-02-01 20:53 ` [PATCH v5 06/13] x86/fsgsbase/64: Preserve FS/GS state in __switch_to() if FSGSBASE is on Chang S. Bae
2019-02-01 20:53 ` [PATCH v5 07/13] x86/fsgsbase/64: When copying a thread, use the FSGSBASE instructions if available Chang S. Bae
2019-02-02 17:28 ` Andy Lutomirski
2019-02-01 20:53 ` [PATCH v5 08/13] x86/fsgsbase/64: Introduce the FIND_PERCPU_BASE macro Chang S. Bae
2019-02-02 17:17 ` Andy Lutomirski
2019-02-13 18:46 ` Bae, Chang Seok
2019-02-01 20:53 ` [PATCH v5 09/13] x86/fsgsbase/64: Use the per-CPU base as GSBASE at the paranoid_entry Chang S. Bae
2019-02-01 20:53 ` [PATCH v5 10/13] selftests/x86/fsgsbase: Test WRGSBASE Chang S. Bae
2019-02-01 20:53 ` [PATCH v5 11/13] x86/fsgsbase/64: Enable FSGSBASE by default and add a chicken bit Chang S. Bae
2019-02-01 20:53 ` [PATCH v5 12/13] x86/elf: Enumerate kernel FSGSBASE capability in AT_HWCAP2 Chang S. Bae
2019-02-01 20:53 ` [PATCH v5 13/13] x86/fsgsbase/64: Add documentation for FSGSBASE Chang S. Bae
2019-02-01 23:02 ` [PATCH v5 00/13] x86: Enable FSGSBASE instructions Andi Kleen
2019-02-02 2:43 ` Andy Lutomirski
2019-02-05 6:26 ` hpa
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