From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Piggin Subject: Re: [PATCH v4 1/6] KVM: MMU: introduce gfn_to_pfn_atomic() function Date: Sat, 3 Jul 2010 13:13:02 +1000 Message-ID: <20100703031302.GD11732@laptop> References: <4C2C9DC0.8050607@cn.fujitsu.com> <20100702164756.GA25969@amt.cnet> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Xiao Guangrong , Ingo Molnar , Avi Kivity , LKML , KVM list To: Marcelo Tosatti Return-path: Content-Disposition: inline In-Reply-To: <20100702164756.GA25969@amt.cnet> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On Fri, Jul 02, 2010 at 01:47:56PM -0300, Marcelo Tosatti wrote: > On Thu, Jul 01, 2010 at 09:53:04PM +0800, Xiao Guangrong wrote: > > Introduce gfn_to_pfn_atomic(), it's the fast path and can used in atomic > > context, the later patch will use it > > > > Signed-off-by: Xiao Guangrong > > --- > > arch/x86/mm/gup.c | 2 ++ > > include/linux/kvm_host.h | 1 + > > virt/kvm/kvm_main.c | 32 +++++++++++++++++++++++++------- > > 3 files changed, 28 insertions(+), 7 deletions(-) > > > > diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c > > index 738e659..0c9034b 100644 > > --- a/arch/x86/mm/gup.c > > +++ b/arch/x86/mm/gup.c > > @@ -6,6 +6,7 @@ > > */ > > #include > > #include > > +#include > > #include > > #include > > > > @@ -274,6 +275,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, > > > > return nr; > > } > > +EXPORT_SYMBOL_GPL(__get_user_pages_fast); > > > > /** > > * get_user_pages_fast() - pin user pages in memory > > This should be a separate patch (overlooked that before). Ingo, Nick, > can this go in through the kvm tree? I'm happy for it to be exported. Yes put it in a seperate patch and add an acked-by: me on it please. Beyond that I don't care what tree it goes through :) although Ingo might have an opinion