linux-kernel - Re: [patch 1/7] x86/pci: Remove duplicate defines

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Date:   Tue, 27 Jun 2017 15:57:14 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Peter Anvin <hpa@...or.com>, Borislav Petkov <bp@...en8.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Stephane Eranian <eranian@...gle.com>,
        Andi Kleen <ak@...ux.intel.com>, linux-pci@...r.kernel.org
Subject: Re: [patch 1/7] x86/pci: Remove duplicate defines

[+cc linux-pci]

On Thu, Mar 16, 2017 at 10:50:03PM +0100, Thomas Gleixner wrote:
> For some historic reason these defines are duplicated. Remove them.

Duplicated in arch/x86/include/asm/pci.h and
arch/x86/include/asm/pci_x86.h, I guess.

Good to remove the duplication, for sure.  I wonder why we didn't see
duplicate definition warnings.

> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> ---
>  arch/x86/include/asm/pci.h |    8 +-------
>  1 file changed, 1 insertion(+), 7 deletions(-)
> 
> --- a/arch/x86/include/asm/pci.h
> +++ b/arch/x86/include/asm/pci.h
> @@ -76,14 +76,8 @@ static inline bool is_vmd(struct pci_bus
>  
>  extern unsigned int pcibios_assign_all_busses(void);
>  extern int pci_legacy_init(void);
> -# ifdef CONFIG_ACPI
> -#  define x86_default_pci_init pci_acpi_init
> -# else
> -#  define x86_default_pci_init pci_legacy_init
> -# endif
>  #else
> -# define pcibios_assign_all_busses()	0
> -# define x86_default_pci_init		NULL
> +static inline int pcibios_assign_all_busses(void) { return 0; }
>  #endif
>  
>  extern unsigned long pci_mem_start;
> 
>