Hi sephe,


-----Original Message-----
From: <[email protected]> on behalf of Sepherosa Ziehau 
<[email protected]>
Date: 2016-04-10, Sunday at 20:28
To: <[email protected]>, <[email protected]>, 
<[email protected]>
Subject: svn commit: r297802 - head/sys/dev/hyperv/vmbus

>Author: sephe
>Date: Mon Apr 11 03:28:17 2016
>New Revision: 297802
>URL: https://svnweb.freebsd.org/changeset/base/297802
>
>Log:
>  hyperv: Identify Hyper-V features and recommends properly
>  
>  Features bits will be used to detect devices, e.g. timers, which
>  do not have corresponding event channels.
>  
>  ...
>  
>+      op = HV_CPU_ID_FUNCTION_HV_INTERFACE;
>+      do_cpuid(op, regs);
>+      if (regs[0] != 0x31237648 /* HV#1 */)
>+              return (false);

Could you make that a #defined constant, rather than a magic integer?

Thanks,

Ravi (rpokala@)

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