On i386, when CONFIG_PHYSICAL_START is very large, it causes a
confusing or misleading linker error message:

  ld: kernel image bigger than KERNEL_IMAGE_SIZE

so expand this message to include the possibility that the problem
could be due to CONFIG_PHYSICAL_START.

Signed-off-by: Randy Dunlap <rdun...@infradead.org>
Cc: x...@kernel.org
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: Borislav Petkov <b...@alien8.de>
Cc: "H. Peter Anvin" <h...@zytor.com>
---
 arch/x86/kernel/vmlinux.lds.S |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20201214.orig/arch/x86/kernel/vmlinux.lds.S
+++ linux-next-20201214/arch/x86/kernel/vmlinux.lds.S
@@ -458,7 +458,7 @@ SECTIONS
  * The ASSERT() sink to . is intentional, for binutils 2.14 compatibility:
  */
 . = ASSERT((_end - LOAD_OFFSET <= KERNEL_IMAGE_SIZE),
-          "kernel image bigger than KERNEL_IMAGE_SIZE");
+          "kernel image bigger than KERNEL_IMAGE_SIZE or CONFIG_PHYSICAL_START 
too large");
 
 #ifdef CONFIG_X86_64
 /*

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