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Date: Mon, 14 Dec 2020 16:02:32 -0800 From: Randy Dunlap <rdunlap@...radead.org> To: linux-kernel@...r.kernel.org Cc: Randy Dunlap <rdunlap@...radead.org>, x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, "H. Peter Anvin" <hpa@...or.com> Subject: [PATCH -next] x86: vmlinux.lds.S: explain link error better when PHYSICAL_START is LARGE 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 <rdunlap@...radead.org> Cc: x86@...nel.org Cc: Thomas Gleixner <tglx@...utronix.de> Cc: Ingo Molnar <mingo@...hat.com> Cc: Borislav Petkov <bp@...en8.de> Cc: "H. Peter Anvin" <hpa@...or.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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