svn commit: r297802 - head/sys/dev/hyperv/vmbus

[Ravi Pokala]

Hi sephe,



-----Original Message-----
From: <owner-src-committers at freebsd.org> on behalf of Sepherosa Ziehau <sephe at FreeBSD.org>
Date: 2016-04-10, Sunday at 20:28
To: <src-committers at freebsd.org>, <svn-src-all at freebsd.org>, <svn-src-head at freebsd.org>
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@)