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Date:      Sat, 6 May 2017 20:55:28 +0300
From:      Konstantin Belousov <kostikbel@gmail.com>
To:        Mahdi Mokhtari <mmokhi@FreeBSD.org>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r317884 - head/sys/compat/linprocfs
Message-ID:  <20170506175528.GZ1622@kib.kiev.ua>
In-Reply-To: <201705061737.v46Hb1Aq067178@repo.freebsd.org>

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On Sat, May 06, 2017 at 05:37:01PM +0000, Mahdi Mokhtari wrote:
> +	do_cpuid(0x80000006, cache_size);

Executing CPUID instruction on i386 without checking for CPUID support
panics the kernel. Also, it is worth ensuring that the requested leaf is
supported, otherwise nonsensical data would be printed.


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