From: Andi Kleen <andi@firstfloor.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Alok Kataria <akataria@vmware.com>,
Ingo Molnar <mingo@redhat.com>,
Guenter Roeck <linux@roeck-us.net>,
Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Andrew Morton <akpm@linux-foundation.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Bernd Petrovitsch <bernd@petrovitsch.priv.at>,
linux-watchdog@vger.kernel.org, Pedro Alves <palves@redhat.com>,
Pavel Machek <pavel@ucw.cz>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Michal Marek <mmarek@suse.cz>, Namhyung Kim <namhyung@gmail.com>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Waiman Long <Waiman.Long@hpe.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Jiri Slaby <jslaby@suse.cz>,
kvm@vger.kernel.org, x86@kernel.org,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Borislav Petkov <bp@alien8.de>,
Chris Wright <chrisw@sous-sol.org>,
Andy Lutomirski <luto@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Wim Van Sebroeck <wim@iguana.be>,
David Vrabel <david.vrabel@citrix.com>,
live-patching@vger.kernel.org, netdev@vger.kernel.org,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Gleb Natapov <gleb@kernel.org>,
Matt Fleming <matt@codeblueprint.co.uk>,
Chris J Arges <chris.j.arges@canonical.com>,
linux-kernel@vger.kernel.org, Borislav Petkov <bp@suse.de>,
Andi Kleen <andi@firstfloor.org>, Len Brown <len.brown@intel.com>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH 00/33] Compile-time stack metadata validation
Date: Mon, 15 Feb 2016 21:02:01 +0100 [thread overview]
Message-ID: <20160215200201.GN3696@two.firstfloor.org> (raw)
In-Reply-To: <CA+55aFzoPCd_LcSx1FUuEhSBYk2KrfzXGj-Vcn39W5bz=KuZhA@mail.gmail.com>
> > There are two ways to fix the warnings:
> >
> > 1. get rid of the thunks and call the C functions directly; or
>
> No. Not until gcc learns about per-function callibg conventions (so that it can
> be marked as not clobbering registers).
It does already for static functions in 5.x (with -fipa-ra).
And with LTO it can be used even somewhat globally.
Even older version supported it, for only for x86->SSE on 32bit, which
is useless for the kernel. But the new IPA-RA propagates which registers
are clobbered.
That said it will probably be a long time until we can drop support for
older compilers. So for now the manual method is still needed.
-Andi
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <andi-Vw/NltI1exuRpAAqCnN02g@public.gmane.org>
To: Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Cc: Josh Poimboeuf <jpoimboe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
Alok Kataria <akataria-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>,
Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>,
Anil S Keshavamurthy
<anil.s.keshavamurthy-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Herbert Xu
<herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Rusty Russell <rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org>,
Bernd Petrovitsch
<bernd-JY8rjfDgnXcb9sJ47jD7nuTv7YV0F9Eg@public.gmane.org>,
linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Pedro Alves <palves-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>,
Konrad Rzeszutek Wilk
<konrad.wilk-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
Michal Marek <mmarek-AlSwsSmVLrQ@public.gmane.org>,
Namhyung Kim <namhyung-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Jeremy Fitzhardinge <jeremy-TSDbQ3PG+2Y@public.gmane.org>,
Waiman Long <Waiman.Long-ZPxbGqLxI0U@public.gmane.org>,
"Rafael J. Wysocki"
<rafael.j.wysocki-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Jiri Slaby <jslaby-AlSwsSmVLrQ@public.gmane.org>,
kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
Arnaldo Carvalho de Melo
<acme-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Paolo Bonzini <pbonzini@redh
Subject: Re: [PATCH 00/33] Compile-time stack metadata validation
Date: Mon, 15 Feb 2016 21:02:01 +0100 [thread overview]
Message-ID: <20160215200201.GN3696@two.firstfloor.org> (raw)
In-Reply-To: <CA+55aFzoPCd_LcSx1FUuEhSBYk2KrfzXGj-Vcn39W5bz=KuZhA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
> > There are two ways to fix the warnings:
> >
> > 1. get rid of the thunks and call the C functions directly; or
>
> No. Not until gcc learns about per-function callibg conventions (so that it can
> be marked as not clobbering registers).
It does already for static functions in 5.x (with -fipa-ra).
And with LTO it can be used even somewhat globally.
Even older version supported it, for only for x86->SSE on 32bit, which
is useless for the kernel. But the new IPA-RA propagates which registers
are clobbered.
That said it will probably be a long time until we can drop support for
older compilers. So for now the manual method is still needed.
-Andi
--
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next prev parent reply other threads:[~2016-02-15 20:02 UTC|newest]
Thread overview: 156+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-21 22:49 [PATCH 00/33] Compile-time stack metadata validation Josh Poimboeuf
2016-01-21 22:49 ` Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 01/33] x86/stacktool: " Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 02/33] kbuild/stacktool: Add CONFIG_STACK_VALIDATION option Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 03/33] x86/stacktool: Enable stacktool on x86_64 Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 04/33] x86/stacktool: Add STACKTOOL_IGNORE_FUNC macro Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 05/33] x86/xen: Add stack frame dependency to hypercall inline asm calls Josh Poimboeuf
2016-02-23 8:55 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:45 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 06/33] x86/asm/xen: Set ELF function type for xen_adjust_exception_frame() Josh Poimboeuf
2016-02-23 8:56 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:45 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 07/33] x86/asm/xen: Create stack frames in xen-asm.S Josh Poimboeuf
2016-02-23 8:56 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:45 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 08/33] x86/paravirt: Add stack frame dependency to PVOP inline asm calls Josh Poimboeuf
2016-02-23 8:56 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:46 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 09/33] x86/paravirt: Create a stack frame in PV_CALLEE_SAVE_REGS_THUNK Josh Poimboeuf
2016-02-23 8:57 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:46 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 10/33] x86/amd: Set ELF function type for vide() Josh Poimboeuf
2016-02-23 8:57 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:46 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 11/33] x86/asm/crypto: Move .Lbswap_mask data to .rodata section Josh Poimboeuf
2016-02-23 8:58 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:47 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 12/33] x86/asm/crypto: Move jump_table " Josh Poimboeuf
2016-02-23 8:58 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:47 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 13/33] x86/asm/crypto: Simplify stack usage in sha-mb functions Josh Poimboeuf
2016-02-23 8:59 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:47 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 14/33] x86/asm/crypto: Don't use rbp as a scratch register Josh Poimboeuf
2016-02-23 8:59 ` [tip:x86/debug] x86/asm/crypto: Don't use RBP " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:48 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 15/33] x86/asm/crypto: Create stack frames in crypto functions Josh Poimboeuf
2016-02-23 8:59 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:48 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 16/33] x86/asm/entry: Create stack frames in thunk functions Josh Poimboeuf
2016-02-23 9:00 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:48 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 17/33] x86/asm/acpi: Create a stack frame in do_suspend_lowlevel() Josh Poimboeuf
2016-02-23 9:00 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-23 11:39 ` Pavel Machek
2016-02-25 5:49 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 18/33] x86/asm: Create stack frames in rwsem functions Josh Poimboeuf
2016-02-23 9:01 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:49 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 19/33] x86/asm/efi: Create a stack frame in efi_call() Josh Poimboeuf
2016-02-23 9:01 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:49 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 20/33] x86/asm/power: Create stack frames in hibernate_asm_64.S Josh Poimboeuf
2016-02-23 9:01 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:50 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 21/33] x86/uaccess: Add stack frame output operand in get_user inline asm Josh Poimboeuf
2016-02-23 9:02 ` [tip:x86/debug] x86/uaccess: Add stack frame output operand in get_user() " =?UTF-8?B?dGlwLWJvdCBmb3IgQ2hyaXMgSiBBcmdlcyA8dGlwYm90QHp5dG9yLmNvbT4=?=
2016-02-25 5:50 ` tip-bot for Chris J Arges
2016-01-21 22:49 ` [PATCH 22/33] x86/asm/bpf: Annotate callable functions Josh Poimboeuf
2016-02-23 9:02 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:50 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 23/33] x86/asm/bpf: Create stack frames in bpf_jit.S Josh Poimboeuf
2016-01-22 2:44 ` Alexei Starovoitov
2016-01-22 3:55 ` Josh Poimboeuf
2016-01-22 4:18 ` Alexei Starovoitov
2016-01-22 7:36 ` Ingo Molnar
2016-01-22 15:58 ` Josh Poimboeuf
2016-01-22 17:18 ` Alexei Starovoitov
2016-01-22 17:36 ` Josh Poimboeuf
2016-01-22 17:40 ` Alexei Starovoitov
2016-02-23 9:03 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:51 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 24/33] x86/kprobes: Get rid of kretprobe_trampoline_holder() Josh Poimboeuf
2016-01-21 23:42 ` 平松雅巳 / HIRAMATU，MASAMI
2016-02-23 9:03 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:51 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 25/33] x86/kvm: Set ELF function type for fastop functions Josh Poimboeuf
2016-01-22 10:05 ` Paolo Bonzini
2016-02-23 9:03 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:51 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 26/33] x86/kvm: Add stack frame dependency to test_cc() inline asm Josh Poimboeuf
2016-01-22 10:05 ` Paolo Bonzini
2016-01-22 16:02 ` Josh Poimboeuf
2016-01-22 16:16 ` [PATCH v16.1 26/33] x86/kvm: Make test_cc() always inline Josh Poimboeuf
2016-02-23 9:04 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:52 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 27/33] watchdog/hpwdt: Create stack frame in asminline_call() Josh Poimboeuf
2016-02-23 9:04 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:52 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 28/33] x86/locking: Create stack frame in PV unlock Josh Poimboeuf
2016-02-23 9:05 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:52 ` tip-bot for Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 29/33] x86/stacktool: Add directory and file whitelists Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 30/33] x86/xen: Add xen_cpuid() to stacktool whitelist Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 31/33] bpf: Add __bpf_prog_run() " Josh Poimboeuf
2016-01-21 22:57 ` Daniel Borkmann
2016-01-22 2:55 ` Alexei Starovoitov
2016-01-22 4:13 ` Josh Poimboeuf
2016-01-22 17:19 ` Alexei Starovoitov
2016-01-21 22:49 ` [PATCH 32/33] sched: Add __schedule() " Josh Poimboeuf
2016-01-21 22:49 ` [PATCH 33/33] x86/kprobes: Add kretprobe_trampoline() " Josh Poimboeuf
2016-01-22 17:43 ` [PATCH 00/33] Compile-time stack metadata validation Chris J Arges
2016-01-22 17:43 ` Chris J Arges
2016-01-22 19:14 ` Josh Poimboeuf
2016-01-22 19:14 ` Josh Poimboeuf
2016-01-22 20:40 ` Chris J Arges
2016-01-22 20:40 ` Chris J Arges
2016-01-22 20:47 ` Josh Poimboeuf
2016-01-22 20:47 ` Josh Poimboeuf
2016-01-22 21:44 ` [PATCH 0/2] A few stacktool warning fixes Chris J Arges
2016-01-22 21:44 ` [PATCH 1/2] tools/stacktool: Add __reiserfs_panic to global_noreturns list Chris J Arges
2016-01-25 15:04 ` Josh Poimboeuf
2016-01-22 21:44 ` [PATCH 2/2] x86/kvm: Add output operand in vmx_handle_external_intr inline asm Chris J Arges
2016-01-25 15:05 ` Josh Poimboeuf
2016-02-23 9:05 ` [tip:x86/debug] " =?UTF-8?B?dGlwLWJvdCBmb3IgQ2hyaXMgSiBBcmdlcyA8dGlwYm90QHp5dG9yLmNvbT4=?=
2016-02-25 5:53 ` tip-bot for Chris J Arges
2016-02-12 10:36 ` [PATCH 00/33] Compile-time stack metadata validation Jiri Slaby
2016-02-12 10:36 ` Jiri Slaby
2016-02-12 10:41 ` Jiri Slaby
2016-02-12 10:41 ` Jiri Slaby
2016-02-12 14:45 ` Josh Poimboeuf
2016-02-12 14:45 ` Josh Poimboeuf
2016-02-12 17:10 ` Peter Zijlstra
2016-02-12 17:10 ` Peter Zijlstra
2016-02-12 18:32 ` Josh Poimboeuf
2016-02-12 18:32 ` Josh Poimboeuf
2016-02-12 18:34 ` Josh Poimboeuf
2016-02-12 18:34 ` Josh Poimboeuf
2016-02-12 20:10 ` Peter Zijlstra
2016-02-12 20:10 ` Peter Zijlstra
2016-02-15 16:31 ` Josh Poimboeuf
2016-02-15 16:31 ` Josh Poimboeuf
2016-02-15 16:49 ` Peter Zijlstra
2016-02-15 16:49 ` Peter Zijlstra
[not found] ` <CA+55aFzoPCd_LcSx1FUuEhSBYk2KrfzXGj-Vcn39W5bz=KuZhA@mail.gmail.com>
2016-02-15 20:01 ` Josh Poimboeuf
2016-02-15 20:01 ` Josh Poimboeuf
2016-02-18 17:41 ` [PATCH] sched/x86: Add stack frame dependency to __preempt_schedule[_notrace] Josh Poimboeuf
2016-02-19 12:05 ` Jiri Slaby
2016-02-23 9:05 ` [tip:x86/debug] sched/x86: Add stack frame dependency to __preempt_schedule[_notrace]() =?UTF-8?B?dGlwLWJvdCBmb3IgSm9zaCBQb2ltYm9ldWYgPHRpcGJvdEB6eXRvci5jb20+?=
2016-02-25 5:53 ` tip-bot for Josh Poimboeuf
2016-02-15 20:02 ` Andi Kleen [this message]
2016-02-15 20:02 ` [PATCH 00/33] Compile-time stack metadata validation Andi Kleen
2016-02-23 8:14 ` Ingo Molnar
2016-02-23 8:14 ` Ingo Molnar
2016-02-23 14:27 ` Arnaldo Carvalho de Melo
2016-02-23 14:27 ` Arnaldo Carvalho de Melo
2016-02-23 15:07 ` Josh Poimboeuf
2016-02-23 15:07 ` Josh Poimboeuf
2016-02-23 15:28 ` Arnaldo Carvalho de Melo
2016-02-23 15:28 ` Arnaldo Carvalho de Melo
2016-02-23 15:01 ` Josh Poimboeuf
2016-02-23 15:01 ` Josh Poimboeuf
2016-02-24 7:40 ` Ingo Molnar
2016-02-24 7:40 ` Ingo Molnar
2016-02-24 16:32 ` Josh Poimboeuf
2016-02-24 16:32 ` Josh Poimboeuf
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