Re: [PATCH 6/7] Add /sys/kernel/notes

[Jeremy Fitzhardinge]

Roland McGrath wrote:
> The earlier patches in this series change the linker script to place it
> appropriately and set the phdr.  It's allocated when its input sections are
> allocated.  Current builds I've seen don't have any input note sections at
> all.  My motivation is for the ld --build-id support, which generates an
> allocated note section as if it were input.
>   

OK, I see.

> > I have a patch to always do this, and also convert all the note 
> > generation to C code rather than asm.  If your patch works for you, 
> > however, it should be completely orthogonal.
> >     
>
> What note generation do you mean?  The only explicit notes in asm that I
> know of are in the vDSO images, not in vmlinux.  This patch has nothing to
> do with any vDSO image's generation.
>   

I'm adding other notes for Xen, so I have some in my tree.  But the vdso 
ones could also be generated in C rather than asm.   I'm not sure what 
stage the patch to convert vsyscall-notes to using linux/elfnote.h is 
at; I think its in Andi's tree.

   J
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