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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Wei Liu <liuw@liuw.name>
Cc: xen-devel@lists.xensource.com,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: Re: [PATCH 2/2] libxc: enabling emulated MSI injection
Date: Thu, 26 May 2011 09:05:56 -0400	[thread overview]
Message-ID: <20110526130556.GA26618@dumpdata.com> (raw)
In-Reply-To: <BANLkTimbENZYPabSHNQh08XA-OYEsJ3XkA@mail.gmail.com>

> >> +    hypercall.op     = __HYPERVISOR_hvm_op;
> >> +    hypercall.arg[0] = HVMOP_inj_msi;
> >> +    hypercall.arg[1] = HYPERCALL_BUFFER_AS_ARG(arg);
> >> +
> >> +    arg->domid = dom;
> >> +    arg->addr  = addr;
> >> +    arg->data  = data;
> >
> > Shouldn't those be done before you make the HYPERCALL_BUFFER_AS_ARG
> > in case they get bounced?
> >
> 
> Hmm... I didn't think that far.
> 
> I just copy-and-edit from a previous hypercall. I think that should be OK then.

On a second look at the code, I believe you are right.

  reply	other threads:[~2011-05-26 13:05 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-26  3:09 [PATCH 2/2] libxc: enabling emulated MSI injection Wei Liu
2011-05-26 12:34 ` Konrad Rzeszutek Wilk
2011-05-26 12:56   ` Wei Liu
2011-05-26 13:05     ` Konrad Rzeszutek Wilk [this message]
2011-05-26 12:59   ` Wei Liu

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