> -----Original Message-----
> From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
> Sent: Friday, April 7, 2017 04:27
> To: de...@linuxdriverproject.org; x...@kernel.org
> Cc: linux-ker...@vger.kernel.org; KY Srinivasan <k...@microsoft.com>;
> Haiyang Zhang <haiya...@microsoft.com>; Stephen Hemminger
> <sthem...@microsoft.com>; Thomas Gleixner <t...@linutronix.de>; Ingo
> Molnar <mi...@redhat.com>; H. Peter Anvin <h...@zytor.com>; Steven
> Rostedt <rost...@goodmis.org>; Jork Loeser <jork.loe...@microsoft.com>
> Subject: [PATCH 4/7] x86/hyperv: implement rep hypercalls
 
> diff --git a/arch/x86/include/asm/mshyperv.h
> b/arch/x86/include/asm/mshyperv.h index 9a5f58b..a2c996b 100644
> --- a/arch/x86/include/asm/mshyperv.h
> +++ b/arch/x86/include/asm/mshyperv.h
> @@ -4,6 +4,7 @@
>  #include <linux/types.h>
>  #include <linux/interrupt.h>
>  #include <linux/clocksource.h>
> +#include <linux/nmi.h>
>  #include <asm/hyperv.h>
> 
>  /*
> @@ -253,6 +254,26 @@ static inline u64 hv_do_fast_hypercall8(u16 code,
> u64 input1)  #endif  }
> 
> +static inline u64 hv_do_rep_hypercall(u16 code, u16 rep_count, void
> *input,
> +                                   void *output)
> +{
> +     union hv_hypercall_input hc_input = { .code = code,
> +                                           .rep_count = rep_count};

Is there a way to statically verify the re-count not to exceed 12 bits? Could a 
dynamic check be justified? Perhaps a function comment?

_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

Reply via email to