linux-kernel - Re: [Xen-devel] [PATCH] xen: privcmd: schedule() after private hypercall when non CONFIG

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Date:	Tue, 2 Dec 2014 11:11:18 +0000
From:	David Vrabel <david.vrabel@...rix.com>
To:	"Luis R. Rodriguez" <mcgrof@...e.com>,
	David Vrabel <david.vrabel@...rix.com>
CC:	Juergen Gross <jgross@...e.com>, Joerg Roedel <jroedel@...e.de>,
	<kvm@...r.kernel.org>, Davidlohr Bueso <dbueso@...e.de>,
	Peter Zijlstra <peterz@...radead.org>, <x86@...nel.org>,
	Oleg Nesterov <oleg@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Jan Beulich <JBeulich@...e.com>,
	<xen-devel@...ts.xenproject.org>, <boris.ostrovsky@...cle.com>,
	Borislav Petkov <bp@...e.de>, Olaf Hering <ohering@...e.de>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [Xen-devel] [PATCH] xen: privcmd: schedule() after private	hypercall
 when non CONFIG_PREEMPT

On 01/12/14 22:36, Luis R. Rodriguez wrote:
> 
> Then I do agree its a fair analogy (and find this obviously odd that how
> widespread cond_resched() is), we just don't have an equivalent for IRQ
> context, why not avoid the special check then and use this all the time in the
> middle of a hypercall on the return from an interrupt (e.g., the timer
> interrupt)?

http://lists.xen.org/archives/html/xen-devel/2014-02/msg01101.html

David
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