Re: [Minios-devel] [PATCH] minios: fix build issue with xen_*mb defines

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Juergen Gross, on Wed 28 Sep 2016 11:50:04 +0200, wrote:
> Commit e35295d724d64e6e025ec31c2e510e448b8641d1 ("mini-os: fix builds
> with uncommon config settings") introduced a bug which will break
> the build, as xc_minios.c will have defined those macros via
> xc_private.h.
> 
> Fix this by defining the macros only if compiling a minios source.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Acked-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>

> ---
>  include/x86/os.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/x86/os.h b/include/x86/os.h
> index 0f5dd6c..fbc2eeb 100644
> --- a/include/x86/os.h
> +++ b/include/x86/os.h
> @@ -511,14 +511,14 @@ static __inline__ unsigned long __ffs(unsigned long 
> word)
>  #error "Unsupported architecture"
>  #endif
>  
> -#endif /* ifdef __INSIDE_MINIOS */
> -
>  /********************* common i386 and x86_64  ****************************/
>  #define xen_mb()  mb()
>  #define xen_rmb() rmb()
>  #define xen_wmb() wmb()
>  #define xen_barrier() asm volatile ( "" : : : "memory")
>  
> +#endif /* ifdef __INSIDE_MINIOS */
> +
>  #define wrmsr(msr,val1,val2) \
>        __asm__ __volatile__("wrmsr" \
>                             : /* no outputs */ \
> -- 
> 2.6.6
> 

-- 
Samuel
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