From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Fleming Subject: Re: [patch] x86/efi: use GFP_ATOMIC under spin_lock Date: Mon, 10 Mar 2014 16:10:06 +0000 Message-ID: <20140310161006.GA30582@console-pimps.org> References: <20140309161946.GA10262@console-pimps.org> <20140309163141.GA18824@srcf.ucam.org> <20140309185028.GB10262@console-pimps.org> <531D7786020000780012230D@nat28.tlf.novell.com> <20140310073753.GA4658@gmail.com> <531D7BA80200007800122349@nat28.tlf.novell.com> <20140310075306.GB4939@gmail.com> <531D84670200007800122375@nat28.tlf.novell.com> <20140310104328.GG10262@console-pimps.org> <531DAA7602000078001224EF@nat28.tlf.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <531DAA7602000078001224EF-ce6RLXgGx+vWGUEhTRrCg1aTQe2KTcn/@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jan Beulich Cc: Matt Fleming , Ingo Molnar , x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Thomas Gleixner , Dan Carpenter , Ingo Molnar , Nathan Zimmer , Matthew Garrett , kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "H. Peter Anvin" List-Id: linux-efi@vger.kernel.org On Mon, 10 Mar, at 11:05:10AM, Jan Beulich wrote: > > Not sure why you call them useless. If wired up properly, they > would be useful on systems where they work. They're useless in the sense that they have no users in the kernel currently. > Which kernel functions? Perhaps just a misunderstanding - I > gave that example with the actual hypervisor in mind, not the > kernel side code sitting on top. The kernel, after all, can't > directly call EFI runtime code when running on top of Xen. OK, that's my bad, I misunderstood what you were saying. -- Matt Fleming, Intel Open Source Technology Center