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Re: [Xen-devel] evtchn_upcall_mask

from [Chris Wright] [Permanent Link][Original]
To: Hollis Blanchard <hollisb@xxxxxxxxxx>
Subject: Re: [Xen-devel] evtchn_upcall_mask
From: Chris Wright <chrisw@xxxxxxxxxxxx>
Date: Fri, 9 Jun 2006 16:04:58 -0700
Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-ppc-devel <xen-ppc-devel@xxxxxxxxxxxxxxxxxxx>
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* Hollis Blanchard (hollisb@xxxxxxxxxx) wrote:
> So I'd like to abstract users of evtchn_upcall_mask in Xen (and Linux,
> mini-os, etc) into set/get accessors. On PPC and IA64, the accessors
> would deal directly with the register state, and the field itself
> wouldn't even exist.

Is local_irq_disable() not enough abstraction in Linux?  Oh, I see,
you mean for both sides of the fence.  From your description that makes
perfect sense to me.

thanks,
-chris

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