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Re: [PATCH v8 5/5] xen/x86: switch x86 to use generic implemetation of bug.h



On Tue, 2023-03-28 at 19:38 +0300, Oleksii wrote:
> On Tue, 2023-03-28 at 18:38 +0300, Oleksii wrote:
> > offsets.s arch/x86/x86_64/asm-offsets.c
> > In file included from ./include/public/domctl.h:21,
> >                  from ./include/public/sysctl.h:18,
> >                  from ./arch/x86/include/asm/cpuid.h:14,
> >                  from ./arch/x86/include/asm/cpufeature.h:10,
> >                  from ./arch/x86/include/asm/system.h:7,
> >                  from ./arch/x86/include/asm/atomic.h:5,
> >                  from ./include/xen/gdbstub.h:24,
> >                  from ./arch/x86/include/asm/debugger.h:10,
> >                  from ./include/xen/debugger.h:24,
> >                  from ./arch/x86/include/asm/bug.h:6,
> >                  from ./include/xen/bug.h:15,
> >                  from ./arch/x86/include/asm/alternative.h:7,
> >                  from ./arch/x86/include/asm/bitops.h:8,
> >                  from ./include/xen/bitops.h:106,
> >                  from ./arch/x86/include/asm/smp.h:8,
> >                  from ./include/xen/smp.h:4,
> >                  from ./include/xen/perfc.h:7,
> >                  from arch/x86/x86_64/asm-offsets.c:9:
> And again the problem is that x86's <asm/bug.h> includes
> <xen/debugger.h> which somewhere inside uses BUG() which will be
> defined after we will back for x86's <asm/bug.h> to <xen/bug.h> where
> BUG() is defined.
> 
> So it looks like we can't include to <asm/bug.h> something that will
> use functionality defined in <xen/bug.h>...
> 
> Thereby I don't see better option that include <xen/debugger.h> in
> <common/bug.c> instead of <asm/bug.h>

Or as an option we can include <xen/bug.h> in <asm/bug.h> instead of
include <asm/bug.h> in <xen/bug.h> it will allow us to resolve an
issue...

Do you think this option will be better?

~ Oleksii

 


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