From: Ian Campbell <ian.campbell@citrix.com>
To: harry S <harry2845@gmail.com>
Cc: xen-devel@lists.xen.org
Subject: Re: [PATCH v8 0/13] remove maintenance interrupts
Date: Thu, 16 Oct 2014 10:11:38 +0100 [thread overview]
Message-ID: <1413450698.2012.5.camel@citrix.com> (raw)
In-Reply-To: <CAKRHqxZ1czeMk82U-9jx4sysy3cV5kVa5sW1Sfxm8yu9GOKR4A@mail.gmail.com>
On Thu, 2014-10-16 at 13:25 +0800, harry S wrote:
> I see. But I want to know if Xen can intercept the software interrupt
> without setting HCR.TGE to 1, or if we don't set the HCR.TGE, Xen
> doesn't need to handle software interrupt at all.
If you mean supervisor call (i.e. the result of executing an svc
instruction) then no, Xen isn't involved in that at all, it is all
internal to the guest.
> And in ARM does the supervisor call means the software interrupt?
I suppose so.
Ian.
next prev parent reply other threads:[~2014-10-16 9:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-16 5:25 [PATCH v8 0/13] remove maintenance interrupts harry S
2014-10-16 9:11 ` Ian Campbell [this message]
-- strict thread matches above, loose matches on Subject: below --
2014-10-17 2:18 harry S
2014-10-17 7:35 ` Ian Campbell
2014-10-15 4:12 harry S
2014-10-15 7:38 ` Ian Campbell
2014-05-22 12:31 Stefano Stabellini
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