• Greg Ungerer's avatar
    m68k: add missing SOFTIRQENTRY_TEXT linker section · 969de098
    Greg Ungerer authored
    Commit be7635e7 ("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 commit 229a7186 ("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: default avatarGreg Ungerer <gerg@linux-m68k.org>
    969de098
vmlinux-std.lds 1.21 KB