[0/4] Enable deadcode elimination at link time

Message ID	20181106133935.GB30658@n2100.armlinux.org.uk (mailing list archive)
Headers	show Return-Path: <linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org> Date: Tue, 6 Nov 2018 13:39:35 +0000 From: Russell King - ARM Linux <linux@armlinux.org.uk> To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 0/4] Enable deadcode elimination at link time Message-ID: <20181106133935.GB30658@n2100.armlinux.org.uk> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) Precedence: list Cc: linux-efi@vger.kernel.org, Ard Biesheuvel <ard.biesheuvel@linaro.org> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org
Series	Enable deadcode elimination at link time \| expand [0/4] Enable deadcode elimination at link time [1/4] EFI stub: remove -fdata-sections [2/4] ARM: mark critical data with KEEP() [3/4] ARM: merge -fdata-sections BSS data to .bss section [4/4] ARM: enable LD_DEAD_CODE_DATA_ELIMINATION

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20181106133935.GB30658@n2100.armlinux.org.uk (mailing list archive)

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Date: Tue, 6 Nov 2018 13:39:35 +0000
From: Russell King - ARM Linux <linux@armlinux.org.uk>
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/4] Enable deadcode elimination at link time
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Series

Enable deadcode elimination at link time | expand

Message

Russell King (Oracle) Nov. 6, 2018, 1:39 p.m. UTC

This series enables elimination of dead code from the kernel at link
time.  The changes are mostly ARM specific, except for one change in
EFI as the EFI stub must not be compiled with -fdata-sections.

 arch/arm/Kconfig                       |  1 +
 arch/arm/boot/compressed/vmlinux.lds.S |  2 +-
 arch/arm/kernel/vmlinux.lds.S          | 10 +++++-----
 arch/arm/kernel/vmlinux.lds.h          | 18 +++++++++---------
 drivers/firmware/efi/libstub/Makefile  |  2 +-
 5 files changed, 17 insertions(+), 16 deletions(-)