add workaround for binutils optimization
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@ -0,0 +1,60 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Arjan van de Ven <arjan@linux.intel.com>
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Date: Wed, 6 Nov 2019 04:03:04 +0000
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Subject: [PATCH] add workaround for binutils optimization
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---
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arch/x86/Makefile | 9 ++++++---
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arch/x86/boot/compressed/Makefile | 2 +-
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2 files changed, 7 insertions(+), 4 deletions(-)
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diff --git a/arch/x86/Makefile b/arch/x86/Makefile
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index 65e5205..7cc0aad 100644
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--- a/arch/x86/Makefile
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+++ b/arch/x86/Makefile
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@@ -58,7 +58,7 @@ endif
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#
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53383
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#
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-KBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow
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+KBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -Wa,-mbranches-within-no-boundaries
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KBUILD_CFLAGS += $(call cc-option,-mno-avx,)
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ifeq ($(CONFIG_X86_32),y)
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@@ -201,8 +201,8 @@ avx512_instr :=$(call as-instr,vpmovm2b %k1$(comma)%zmm5,-DCONFIG_AS_AVX512=1)
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sha1_ni_instr :=$(call as-instr,sha1msg1 %xmm0$(comma)%xmm1,-DCONFIG_AS_SHA1_NI=1)
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sha256_ni_instr :=$(call as-instr,sha256msg1 %xmm0$(comma)%xmm1,-DCONFIG_AS_SHA256_NI=1)
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-KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr) $(avx512_instr) $(sha1_ni_instr) $(sha256_ni_instr)
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-KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr) $(avx512_instr) $(sha1_ni_instr) $(sha256_ni_instr)
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+KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr) $(avx512_instr) $(sha1_ni_instr) $(sha256_ni_instr) -Wa,-mbranches-within-no-boundaries
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+KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr) $(avx512_instr) $(sha1_ni_instr) $(sha256_ni_instr) -Wa,-mbranches-within-no-boundaries
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KBUILD_LDFLAGS := -m elf_$(UTS_MACHINE)
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@@ -214,6 +214,9 @@ KBUILD_LDFLAGS := -m elf_$(UTS_MACHINE)
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ifdef CONFIG_X86_64
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KBUILD_LDFLAGS += $(call ld-option, -z max-page-size=0x200000)
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endif
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+ifdef CONFIG_X86_64
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+KBUILD_LDFLAGS += $(call ld-option, -mbranches-within-no-boundaries)
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+endif
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# Speed up the build
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KBUILD_CFLAGS += -pipe
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diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
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index 466f66c..3eea18f 100644
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--- a/arch/x86/boot/compressed/Makefile
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+++ b/arch/x86/boot/compressed/Makefile
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@@ -39,7 +39,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
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KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
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KBUILD_CFLAGS += -Wno-pointer-sign
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-KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
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+KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ -Wa,-mbranches-within-no-boundaries
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GCOV_PROFILE := n
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UBSAN_SANITIZE :=n
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--
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https://clearlinux.org
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@ -18,7 +18,7 @@ Version: 4.19.78
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# upstream number is the number from PKT it consist in
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# YYMMDDHHMM a 10 length number
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%global upstreamnumber 1903221317
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Release: 95
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Release: 96
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License: GPL-2.0
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Summary: The Linux kernel
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Url: http://www.kernel.org/
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@ -1236,6 +1236,7 @@ Patch1180: 1180-ASoC-Intel-Skylake-Recover-BXT-FW-on-DSP-boot-timeou.patch
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# Clear Linux Series
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Patch9001: 9001-init-wait-for-partition-and-retry-scan.patch
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Patch9002: 9002-Add-boot-option-to-allow-unsigned-modules.patch
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Patch9003: 9003-add-workaround-for-binutils-optimization.patch
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%description
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The Linux IOT LTS2018 kernel.
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@ -2483,6 +2484,7 @@ Linux kernel build files and install script
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# Clear Linux Series
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%patch9001 -p1
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%patch9002 -p1
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%patch9003 -p1
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cp %{SOURCE1} .
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cp %{SOURCE2} .
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