Re: [Xen-devel] [PATCH 1/2] x86/pv: Fix bugs with the handling of int80_bounce

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 08/05/17 13:39, Jan Beulich wrote:
>>>> On 08.05.17 at 14:23, <andrew.cooper3@xxxxxxxxxx> wrote:
>> Overall, I expect that Xenolinux purposefully never asked for an
>> interrupt gate (as Xen would have rejected that in the 32bit case), and
>> this point was never considered at all when PVOps was developed, which
>> followed Linux's normal expectation that int80 was an interrupt gate.
> Yet I have a hard time seeing why 32-bit Linux needs it to be that
> way.

I don't understand what you mean by this.

Is it a counterpoint to my statement, or just an observation about the
way Linux chooses to set things up?

~Andrew

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel