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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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969de0988b
Commitbe7635e728("arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections") added a new linker section, SOFTIRQENTRY_TEXT, to the linker scripts for most architectures. It didn't add it to any of the linker scripts for the m68k architecture. This was not really a problem because it is only defined if either of CONFIG_FUNCTION_GRAPH_TRACER or CONFIG_KASAN are enabled - which can never be true for m68k. However commit229a718605("irq: Make the irqentry text section unconditional") means that SOFTIRQENTRY_TEXT is now always defined. So on m68k we now end up with a separate ELF section for .softirqentry.text instead of it being part of the .text section. On some m68k targets in some configurations this can also cause a fatal link error: LD vmlinux /usr/local/bin/../m68k-uclinux/bin/ld.real: section .softirqentry.text loaded at [0000000010de10c0,0000000010de12dd] overlaps section .rodata loaded at [0000000010de10c0,0000000010e0fd67] To fix add in the missing SOFTIRQENTRY_TEXT section into the m68k linker scripts. I noticed that m68k is also missing the IRQENTRY_TEXT section, so this patch also adds an entry for that too. Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
96 lines
1.5 KiB
Plaintext
96 lines
1.5 KiB
Plaintext
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* vmlinux.lds.S -- master linker script for m68knommu arch
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*
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* (C) Copyright 2002-2012, Greg Ungerer <gerg@snapgear.com>
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*
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* This linker script is equipped to build either ROM loaded or RAM
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* run kernels.
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*/
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#if defined(CONFIG_RAMKERNEL)
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#define KTEXT_ADDR CONFIG_KERNELBASE
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#endif
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#if defined(CONFIG_ROMKERNEL)
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#define KTEXT_ADDR CONFIG_ROMSTART
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#define KDATA_ADDR CONFIG_KERNELBASE
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#define LOAD_OFFSET KDATA_ADDR + (ADDR(.text) + SIZEOF(.text))
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#endif
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#include <asm/page.h>
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#include <asm/thread_info.h>
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#include <asm-generic/vmlinux.lds.h>
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OUTPUT_ARCH(m68k)
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ENTRY(_start)
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jiffies = jiffies_64 + 4;
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SECTIONS {
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#ifdef CONFIG_ROMVEC
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. = CONFIG_ROMVEC;
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.romvec : {
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__rom_start = .;
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_romvec = .;
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*(.romvec)
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*(.data..initvect)
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}
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#endif
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. = KTEXT_ADDR;
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_text = .;
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_stext = .;
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.text : {
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HEAD_TEXT
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TEXT_TEXT
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IRQENTRY_TEXT
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SOFTIRQENTRY_TEXT
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SCHED_TEXT
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CPUIDLE_TEXT
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LOCK_TEXT
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*(.fixup)
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. = ALIGN(16);
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}
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_etext = .;
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#ifdef KDATA_ADDR
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. = KDATA_ADDR;
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#endif
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_sdata = .;
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RO_DATA_SECTION(PAGE_SIZE)
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RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE)
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_edata = .;
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EXCEPTION_TABLE(16)
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NOTES
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. = ALIGN(PAGE_SIZE);
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__init_begin = .;
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INIT_TEXT_SECTION(PAGE_SIZE)
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INIT_DATA_SECTION(16)
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PERCPU_SECTION(16)
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.m68k_fixup : {
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__start_fixup = .;
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*(.m68k_fixup)
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__stop_fixup = .;
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}
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.init.data : {
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. = ALIGN(PAGE_SIZE);
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__init_end = .;
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}
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BSS_SECTION(0, 0, 0)
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_end = .;
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STABS_DEBUG
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.comment 0 : { *(.comment) }
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/* Sections to be discarded */
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DISCARDS
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}
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