linux-kernel - Re: powerpc32: missing accessors to pgprot

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Message-ID: <1418119994.13358.43.camel@kernel.crashing.org>
Date:	Tue, 09 Dec 2014 21:13:14 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	LEROY Christophe <christophe.leroy@....fr>,
	Paul Mackerras <paulus@...ba.org>, scottwood@...escale.com,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: powerpc32: missing accessors to pgprot_t objects

On Tue, 2014-12-09 at 21:06 +1100, Michael Ellerman wrote:
> On Mon, 2014-08-12 at 14:16:29 UTC, LEROY Christophe wrote:
> > Compilation with #define STRICT_MM_TYPECHECKS in arch/powerpc/include/asm/page.h
> > fails due to missing use of pgprot_val() when using pgprot_t objects.
> 
> Any idea when this broke? Recently, or has it gone unnoticed for a long time?

Probably a very long time...

Now the reason we didn't leave STRICT_MM_TYPECHECKS enable back in the
day is that gcc was doing a terrible job at compiling it resulting in
bloated inefficient code.

I wouldn't be surprised if that is all fixed...

Cheers,
Ben.


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