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From cc087b11462af9f971a2c090d07e8d780a867b50 Mon Sep 17 00:00:00 2001
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From: Kairui Song <kasong@redhat.com>
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Date: Wed, 29 Jan 2020 13:38:19 +0800
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Subject: [PATCH] kexec-tools: Remove duplicated variable declarations
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When building kexec-tools for Fedora 32, following error is observed:
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/usr/bin/ld: kexec/arch/x86_64/kexec-bzImage64.o:(.bss+0x0): multiple definition of `bzImage_support_efi_boot';
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kexec/arch/i386/kexec-bzImage.o:(.bss+0x0): first defined here
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/builddir/build/BUILD/kexec-tools-2.0.20/kexec/arch/arm/../../fs2dt.h:33: multiple definition of `my_debug';
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kexec/fs2dt.o:/builddir/build/BUILD/kexec-tools-2.0.20/kexec/fs2dt.h:33: first defined here
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/builddir/build/BUILD/kexec-tools-2.0.20/kexec/arch/arm64/kexec-arm64.h:68: multiple definition of `arm64_mem';
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kexec/fs2dt.o:/builddir/build/BUILD/kexec-tools-2.0.20/././kexec/arch/arm64/kexec-arm64.h:68: first defined here
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/builddir/build/BUILD/kexec-tools-2.0.20/kexec/arch/arm64/kexec-arm64.h:54: multiple definition of `initrd_size';
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kexec/fs2dt.o:/builddir/build/BUILD/kexec-tools-2.0.20/././kexec/arch/arm64/kexec-arm64.h:54: first defined here
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/builddir/build/BUILD/kexec-tools-2.0.20/kexec/arch/arm64/kexec-arm64.h:53: multiple definition of `initrd_base';
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kexec/fs2dt.o:/builddir/build/BUILD/kexec-tools-2.0.20/././kexec/arch/arm64/kexec-arm64.h:53: first defined here
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And apparently, these variables are wrongly declared multiple times. So
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remove duplicated declaration.
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Signed-off-by: Kairui Song <kasong@redhat.com>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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---
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kexec/arch/arm64/kexec-arm64.h | 6 +++---
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kexec/arch/ppc64/kexec-elf-ppc64.c | 2 --
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kexec/arch/x86_64/kexec-bzImage64.c | 1 -
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kexec/fs2dt.h | 2 +-
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4 files changed, 4 insertions(+), 7 deletions(-)
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diff --git a/kexec/arch/arm64/kexec-arm64.h b/kexec/arch/arm64/kexec-arm64.h
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index 628de79..ed447ac 100644
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--- a/kexec/arch/arm64/kexec-arm64.h
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+++ b/kexec/arch/arm64/kexec-arm64.h
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@@ -50,8 +50,8 @@ int zImage_arm64_load(int argc, char **argv, const char *kernel_buf,
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void zImage_arm64_usage(void);
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-off_t initrd_base;
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-off_t initrd_size;
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+extern off_t initrd_base;
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+extern off_t initrd_size;
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/**
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* struct arm64_mem - Memory layout info.
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@@ -65,7 +65,7 @@ struct arm64_mem {
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};
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#define arm64_mem_ngv UINT64_MAX
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-struct arm64_mem arm64_mem;
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+extern struct arm64_mem arm64_mem;
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uint64_t get_phys_offset(void);
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uint64_t get_vp_offset(void);
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diff --git a/kexec/arch/ppc64/kexec-elf-ppc64.c b/kexec/arch/ppc64/kexec-elf-ppc64.c
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index 3510b70..695b8b0 100644
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--- a/kexec/arch/ppc64/kexec-elf-ppc64.c
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+++ b/kexec/arch/ppc64/kexec-elf-ppc64.c
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@@ -44,8 +44,6 @@
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uint64_t initrd_base, initrd_size;
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unsigned char reuse_initrd = 0;
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const char *ramdisk;
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-/* Used for enabling printing message from purgatory code */
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-int my_debug = 0;
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int elf_ppc64_probe(const char *buf, off_t len)
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{
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diff --git a/kexec/arch/x86_64/kexec-bzImage64.c b/kexec/arch/x86_64/kexec-bzImage64.c
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index 8edb3e4..ba8dc48 100644
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--- a/kexec/arch/x86_64/kexec-bzImage64.c
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+++ b/kexec/arch/x86_64/kexec-bzImage64.c
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@@ -42,7 +42,6 @@
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#include <arch/options.h>
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static const int probe_debug = 0;
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-int bzImage_support_efi_boot;
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int bzImage64_probe(const char *buf, off_t len)
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{
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diff --git a/kexec/fs2dt.h b/kexec/fs2dt.h
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index 7633273..fe24931 100644
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--- a/kexec/fs2dt.h
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+++ b/kexec/fs2dt.h
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@@ -30,7 +30,7 @@ extern struct bootblock bb[1];
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/* Used for enabling printing message from purgatory code
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* Only has implemented for PPC64 */
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-int my_debug;
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+extern int my_debug;
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extern int dt_no_old_root;
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void reserve(unsigned long long where, unsigned long long length);
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--
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2.7.5
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