Re: [PATCH] (updated, rolled up) make section names compatible with -ffunction-sections -fdata-sections

[David Howells <dhowells@redhat.com>]

Denys Vlasenko <vda.linux@googlemail.com> wrote:

> The purpose of these patches is to make kernel buildable
> with "gcc -ffunction-sections -fdata-sections".
> 
> The problem is that with -ffunction-sections -fdata-sections gcc
> creates sections like .text.head and .data.nosave
> whenever someone has innocuous code like this:
> 
> static void head(...) {...}
> 
> or this:
> 
> int f(...) { static int nosave; ... }
> 
> somewhere in the kernel.
> 
> Kernel linker script is confused by such names and puts these sections
> in wrong places.
> 
> This patch renames all "magic" section names used by kernel
> to not have this format, eliminating the possibility of such collisions.
> 
> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

Acked-by: David Howells <dhowells@redhat.com> [FRV and MN10300]