From: Matt Fleming <matt@console-pimps.org>
To: Jan Beulich <JBeulich-IBi9RG/b67k@public.gmane.org>
Cc: Matt Fleming
<matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
Dan Carpenter
<dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Nathan Zimmer <nzimmer-sJ/iWh9BUns@public.gmane.org>,
Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>,
kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
Subject: Re: [patch] x86/efi: use GFP_ATOMIC under spin_lock
Date: Mon, 10 Mar 2014 16:10:06 +0000 [thread overview]
Message-ID: <20140310161006.GA30582@console-pimps.org> (raw)
In-Reply-To: <531DAA7602000078001224EF-ce6RLXgGx+vWGUEhTRrCg1aTQe2KTcn/@public.gmane.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
WARNING: multiple messages have this Message-ID (diff)
From: Matt Fleming <matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
To: Jan Beulich <JBeulich-IBi9RG/b67k@public.gmane.org>
Cc: Matt Fleming
<matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
Dan Carpenter
<dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Nathan Zimmer <nzimmer-sJ/iWh9BUns@public.gmane.org>,
Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>,
kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
Subject: Re: [patch] x86/efi: use GFP_ATOMIC under spin_lock
Date: Mon, 10 Mar 2014 16:10:06 +0000 [thread overview]
Message-ID: <20140310161006.GA30582@console-pimps.org> (raw)
In-Reply-To: <531DAA7602000078001224EF-ce6RLXgGx+vWGUEhTRrCg1aTQe2KTcn/@public.gmane.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
next prev parent reply other threads:[~2014-03-10 16:10 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-07 11:20 [patch] x86/efi: use GFP_ATOMIC under spin_lock Dan Carpenter
2014-03-07 11:20 ` Dan Carpenter
[not found] ` <20140307112055.GE2351-mgFCXtclrQlZLf2FXnZxJA@public.gmane.org>
2014-03-07 12:10 ` Ingo Molnar
2014-03-07 12:10 ` Ingo Molnar
[not found] ` <20140307121022.GA32575-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-03-07 12:25 ` Dan Carpenter
2014-03-07 12:25 ` Dan Carpenter
2014-03-09 6:48 ` Ingo Molnar
2014-03-09 6:48 ` Ingo Molnar
2014-03-09 7:14 ` Dan Carpenter
2014-03-09 7:14 ` Dan Carpenter
2014-03-09 16:20 ` Matt Fleming
2014-03-09 16:20 ` Matt Fleming
2014-03-09 16:31 ` Matthew Garrett
2014-03-09 16:31 ` Matthew Garrett
[not found] ` <20140309163141.GA18824-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2014-03-09 18:50 ` Matt Fleming
2014-03-09 18:50 ` Matt Fleming
2014-03-09 19:00 ` Matthew Garrett
2014-03-09 19:00 ` Matthew Garrett
[not found] ` <20140309190053.GA29555-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2014-03-10 9:10 ` Matt Fleming
2014-03-10 9:10 ` Matt Fleming
[not found] ` <20140309185028.GB10262-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-03-10 7:27 ` Jan Beulich
2014-03-10 7:27 ` Jan Beulich
2014-03-10 7:37 ` Ingo Molnar
2014-03-10 7:37 ` Ingo Molnar
2014-03-10 7:45 ` Jan Beulich
2014-03-10 7:53 ` Ingo Molnar
2014-03-10 7:53 ` Ingo Molnar
2014-03-10 8:22 ` Jan Beulich
2014-03-10 10:43 ` Matt Fleming
[not found] ` <20140310104328.GG10262-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-03-10 11:05 ` Jan Beulich
2014-03-10 11:05 ` Jan Beulich
[not found] ` <531DAA7602000078001224EF-ce6RLXgGx+vWGUEhTRrCg1aTQe2KTcn/@public.gmane.org>
2014-03-10 16:10 ` Matt Fleming [this message]
2014-03-10 16:10 ` Matt Fleming
2014-03-14 23:02 ` Matt Fleming
2014-03-14 23:02 ` Matt Fleming
2014-03-10 9:12 ` Matt Fleming
2014-03-10 7:26 ` Jan Beulich
2014-03-10 17:07 ` Dan Carpenter
2014-03-10 17:07 ` Dan Carpenter
2014-03-09 7:36 ` Dan Carpenter
2014-03-09 7:36 ` Dan Carpenter
2014-03-10 16:47 ` H. Peter Anvin
2014-03-10 16:47 ` H. Peter Anvin
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