[PATCH 01/14] x86, boot: align the .bss section in the decompressor

Cyrill Gorcunov gorcunov at gmail.com
Fri May 8 13:15:56 EDT 2009


[H. Peter Anvin - Fri, May 08, 2009 at 10:03:34AM -0700]
| Cyrill Gorcunov wrote:
| > | 
| > | diff --git a/arch/x86/boot/compressed/vmlinux.lds.S b/arch/x86/boot/compressed/vmlinux.lds.S
| > | index 0d26c92..27c168d 100644
| > | --- a/arch/x86/boot/compressed/vmlinux.lds.S
| > | +++ b/arch/x86/boot/compressed/vmlinux.lds.S
| > | @@ -42,6 +42,7 @@ SECTIONS
| > |  		*(.data.*)
| > |  		_edata = . ;
| > |  	}
| > | +	. = ALIGN(32);
| > |  	.bss : {
| > |  		_bss = . ;
| > |  		*(.bss)
| > | -- 
| > | 1.6.0.6
| > | 
| > 
| > Hi Peter, should not it be ALIGN(8) rather? I thought
| > we keep these sections as tight as possible in a sake
| > of limitation of setup code size. Perhaps I miss something.
| > 
| 
| This isn't the setup code at all.  This is the actual kernel, although
| in its compressed form.  Furthermore, this is the bss, so it doesn't
| affect the compressed image size.
| 
| 	-hpa
| 

yeah, unfortunately I reveal that when my mail already gone.
though I don't understand why 32 is there... could you please?

	-- Cyrill



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