From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753858AbeFDPHa (ORCPT ); Mon, 4 Jun 2018 11:07:30 -0400 Received: from mail-wr0-f195.google.com ([209.85.128.195]:40592 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753297AbeFDPH3 (ORCPT ); Mon, 4 Jun 2018 11:07:29 -0400 X-Google-Smtp-Source: ADUXVKIRHX5hWfcSFPuVKbgk9JjAVHY2FkXWOSSGx15mAyRRRqGZ678M0j56JERrvnABFrqo/3/uDA== Date: Mon, 4 Jun 2018 17:07:24 +0200 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , Peter Zijlstra , Andrew Morton Subject: [GIT PULL] x86/build changes for v4.18 Message-ID: <20180604150724.GA4588@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus, Please pull the latest x86-build-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-build-for-linus # HEAD: 1742ed2088ccc4ade3abd8fe888742dd0f1343f8 x86/build/vdso: Put generated linker scripts to $(obj)/ A handful of build system (Makefile, linker script) cleanups by Masahiro Yamada. Thanks, Ingo ------------------> Masahiro Yamada (4): x86/build: Remove no-op macro VMLINUX_SYMBOL() x86/build/vdso: Remove unused $(vobjs-nox32) in Makefile x86/build/vdso: Remove unnecessary export in Makefile x86/build/vdso: Put generated linker scripts to $(obj)/ arch/x86/entry/vdso/Makefile | 11 ++++------- arch/x86/kernel/vmlinux.lds.S | 4 ++-- arch/x86/um/vdso/Makefile | 4 ++-- 3 files changed, 8 insertions(+), 11 deletions(-) diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile index d998a487c9b1..261802b1cc50 100644 --- a/arch/x86/entry/vdso/Makefile +++ b/arch/x86/entry/vdso/Makefile @@ -44,14 +44,14 @@ obj-y += $(vdso_img_objs) targets += $(vdso_img_cfiles) targets += $(vdso_img_sodbg) $(vdso_img-y:%=vdso%.so) -export CPPFLAGS_vdso.lds += -P -C +CPPFLAGS_vdso.lds += -P -C VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \ -Wl,--no-undefined \ -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096 \ $(DISABLE_LTO) -$(obj)/vdso64.so.dbg: $(src)/vdso.lds $(vobjs) FORCE +$(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE $(call if_changed,vdso) HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi -I$(srctree)/arch/$(SUBARCH)/include/uapi @@ -100,11 +100,8 @@ VDSO_LDFLAGS_vdsox32.lds = -Wl,-m,elf32_x86_64 \ -Wl,-z,max-page-size=4096 \ -Wl,-z,common-page-size=4096 -# 64-bit objects to re-brand as x32 -vobjs64-for-x32 := $(filter-out $(vobjs-nox32),$(vobjs-y)) - # x32-rebranded versions -vobjx32s-y := $(vobjs64-for-x32:.o=-x32.o) +vobjx32s-y := $(vobjs-y:.o=-x32.o) # same thing, but in the output directory vobjx32s := $(foreach F,$(vobjx32s-y),$(obj)/$F) @@ -122,7 +119,7 @@ $(obj)/%.so: OBJCOPYFLAGS := -S $(obj)/%.so: $(obj)/%.so.dbg $(call if_changed,objcopy) -$(obj)/vdsox32.so.dbg: $(src)/vdsox32.lds $(vobjx32s) FORCE +$(obj)/vdsox32.so.dbg: $(obj)/vdsox32.lds $(vobjx32s) FORCE $(call if_changed,vdso) CPPFLAGS_vdso32.lds = $(CPPFLAGS_vdso.lds) diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 795f3a80e576..5e1458f609a1 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -117,11 +117,11 @@ SECTIONS #ifdef CONFIG_X86_64 . = ALIGN(PAGE_SIZE); - VMLINUX_SYMBOL(__entry_trampoline_start) = .; + __entry_trampoline_start = .; _entry_trampoline = .; *(.entry_trampoline) . = ALIGN(PAGE_SIZE); - VMLINUX_SYMBOL(__entry_trampoline_end) = .; + __entry_trampoline_end = .; ASSERT(. - _entry_trampoline == PAGE_SIZE, "entry trampoline is too big"); #endif diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile index 10003359e633..b2d6967262b2 100644 --- a/arch/x86/um/vdso/Makefile +++ b/arch/x86/um/vdso/Makefile @@ -23,14 +23,14 @@ $(obj)/vdso.o: $(obj)/vdso.so targets += vdso.so vdso.so.dbg vdso.lds $(vobjs-y) -export CPPFLAGS_vdso.lds += -P -C +CPPFLAGS_vdso.lds += -P -C VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \ -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096 $(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so -$(obj)/vdso.so.dbg: $(src)/vdso.lds $(vobjs) FORCE +$(obj)/vdso.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE $(call if_changed,vdso) $(obj)/%.so: OBJCOPYFLAGS := -S