Re: [patch 27/85] [PATCH 07/44] [CVE-2009-0029] System call wrapper infrastructure

From: Christian Borntraeger
Date: Fri Jan 16 2009 - 03:46:29 EST


Am Donnerstag 15 Januar 2009 schrieb Jiri Slaby:
> On 01/15/2009 10:59 PM, Greg KH wrote:
> > +
> > +#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
> > +
> > +#define SYSCALL_DEFINE(name) static inline long SYSC_##name
> > +#define SYSCALL_DEFINEx(x, name, ...)
\
> > + asmlinkage long sys_##name(__SC_DECL##x(__VA_ARGS__)); \
> > + static inline long SYSC_##name(__SC_DECL##x(__VA_ARGS__)); \
>
> Hmm, we don't support at least gcc 3.4.6 anymore :/. It seems to be the same
as in:

I see two possible quick fixes:
-funit-at-a-time will allow these inline constructs (tested with 3.4.6 on i386
with enabled syscall wrappers. x86_64 already sets this flag)

- dont use attribute __always_inline__ for these inlines but the standard
inline. The question is, how to convince cpp to not replace inline with
always_inline
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