lkml.org 
[lkml]   [2013]   [Aug]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] arm64: move elf notes into readonly segment
On Fri, Aug 23, 2013 at 04:16:42PM +0100, Mark Salter wrote:
> The current vmlinux.lds.S places the notes sections between the
> end of rw data and start of bss. This means that _edata doesn't
> really point to the end of data. Since notes are read-only, this
> patch moves them to the read-only segment so that _edata does
> point to the end of initialized rw data.
>
> Signed-off-by: Mark Salter <msalter@redhat.com>
> ---
> arch/arm64/kernel/vmlinux.lds.S | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
> index f5e5574..f8ab9d8 100644
> --- a/arch/arm64/kernel/vmlinux.lds.S
> +++ b/arch/arm64/kernel/vmlinux.lds.S
> @@ -71,6 +71,7 @@ SECTIONS
>
> RO_DATA(PAGE_SIZE)
> EXCEPTION_TABLE(8)
> + NOTES
> _etext = .; /* End of text and rodata section */
>
> . = ALIGN(PAGE_SIZE);
> @@ -122,8 +123,6 @@ SECTIONS
> }
> _edata_loc = __data_loc + SIZEOF(.data);
>
> - NOTES
> -
> BSS_SECTION(0, 0, 0)
> _end = .;

The _edata is set before NOTES, so I don't fully understand where the
problem is.

--
Catalin


\
 
 \ /
  Last update: 2013-08-27 14:01    [W:0.054 / U:0.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site