Re: [PATCH 14/23] make section names compatible with-ffunction-sections -fdata-sections: parisc

[David Woodhouse]

On Wed, 2008-07-02 at 17:55 +0300, Adrian Bunk wrote:
> On Wed, Jul 02, 2008 at 09:41:47AM +0100, David Woodhouse wrote:
> > On Wed, 2008-07-02 at 02:00 +0200, Denys Vlasenko wrote:
> > > On Wednesday 02 July 2008 01:41, James Bottomley wrote:
> > > > On Wed, 2008-07-02 at 02:39 +0200, Denys Vlasenko wrote:
> > > > > The purpose of this patch is to make kernel buildable
> > > > > with "gcc -ffunction-sections -fdata-sections".
> > > > > This patch fixes parisc architecture.
> > > > > 
> > > > > Signed-off-by: Denys Vlasenko <vda.linux@xxxxxxxxxxxxxx>
> > > > 
> > > > Um ... if you look at the Makefile you'll see we already build parisc
> > > > with -ffunction-sections; we have to: our relative jumps are too small
> > > > to guarantee finding the stubs in large files.
> > > > 
> > > > Since our text is -ffunction-sections compatible already, I question the
> > > > need for transformations like this:
> > 
> > We've been building FR-V kernels with --gc-sections for a long time,
> > too.
> >...
> 
> Is there any specific reason why it's not done in the upstream kernel?

Isn't it? I thought it was.

Or maybe we were only doing that before we added MMU support. I remember
the exception tables complicate matters a little.

-- 
dwmw2

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