[PATCH 1/3] ARM: zImage: ensure it is always a multiple of 64 bits in size

Russell King - ARM Linux linux at arm.linux.org.uk
Mon Jun 13 21:24:54 EST 2011


On Sun, Jun 12, 2011 at 02:06:38AM -0400, Nicolas Pitre wrote:
> diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in
> index ea80abe..6c02db1 100644
> --- a/arch/arm/boot/compressed/vmlinux.lds.in
> +++ b/arch/arm/boot/compressed/vmlinux.lds.in
> @@ -47,6 +47,9 @@ SECTIONS
>    .got			: { *(.got) }
>    _got_end = .;
>    .got.plt		: { *(.got.plt) }
> +
> +  /* ensure the zImage file size is always a multiple of 64 bits */
> +  .pad			: { BYTE(0); . = ALIGN(8); }

Why add a byte before aligning?  Isn't merely aligning to 64-bit sufficient?


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