linux-kernel - Re: [PATCH 1/1] x86/hyper-V: Allocate the IDT entry early in boot

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Date:   Sat, 9 Sep 2017 14:04:02 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     kys@...rosoft.com
Cc:     x86@...nel.org, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
        olaf@...fle.de, apw@...onical.com, jasowang@...hat.com,
        tglx@...utronix.de, hpa@...or.com, mingo@...nel.org
Subject: Re: [PATCH 1/1] x86/hyper-V: Allocate the IDT entry early in boot

On Fri, Sep 08, 2017 at 04:15:57PM -0700, kys@...hange.microsoft.com wrote:
> From: "K. Y. Srinivasan" <kys@...rosoft.com>
> 
> Allocate the hypervisor callback IDT entry early in the boot sequence.
> 

I'm guessing this fixes a NULL dereference or something?  The changelog
doesn't really say why we are doing this.

regards,
dan carpenter