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Date: Thu, 2 Jun 2022 22:08:41 +0100
From: Catalin Marinas <catalin.marinas@arm.com>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: Stephen Boyd <swboyd@chromium.org>, Will Deacon <will@kernel.org>,
	Dominik Brodowski <linux@dominikbrodowski.net>,
	Ard Biesheuvel <ardb@kernel.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Douglas Anderson <dianders@chromium.org>,
	Hsin-Yi Wang <hsinyi@chromium.org>,
	Steven Rostedt <rostedt@goodmis.org>, patches@lists.linux.dev
Subject: Re: [PATCH] arm64: Initialize jump labels before setup_machine_fdt()
Message-ID: <Ypkm2YLFO5gDlenP@arm.com>
References: <20220602022109.780348-1-swboyd@chromium.org>
 <165419885870.2681883.10934677413962491141.b4-ty@arm.com>
 <CAHmME9qBOwb==N9AWSSb8VhCXANsieWi7JpiiiUMvjU2rdb5XA@mail.gmail.com>
 <YpkTjv6i+IlO32wM@arm.com>
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In-Reply-To: <CAHmME9pU+t_rvQULcOwQmhU74ye3ShWi4Tgz5JdGrzW29XO+Kg@mail.gmail.com>

On Thu, Jun 02, 2022 at 10:18:04PM +0200, Jason A. Donenfeld wrote:
> On Thu, Jun 2, 2022 at 9:46 PM Catalin Marinas <catalin.marinas@arm.com> wrote:
> > On Thu, Jun 02, 2022 at 09:42:49PM +0200, Jason A. Donenfeld wrote:
> > > On Thu, Jun 2, 2022 at 9:41 PM Catalin Marinas <catalin.marinas@arm.com> wrote:
> > > > On Wed, 1 Jun 2022 19:21:09 -0700, Stephen Boyd wrote:
> > > > > A static key warning splat appears during early boot on arm64 systems
> > > > > that credit randomness from devicetrees that contain an "rng-seed"
> > > > > property. This is because setup_machine_fdt() is called before
> > > > > jump_label_init() during setup_arch(). Let's swap the order of these two
> > > > > calls so that jump labels are initialized before the devicetree is
> > > > > unflattened and the rng seed is credited.
> > > > >
> > > > > [...]
> > > >
> > > > Applied to arm64 (for-next/core), thanks!
> > > >
> > > > [1/1] arm64: Initialize jump labels before setup_machine_fdt()
> > > >       https://git.kernel.org/arm64/c/73e2d827a501
> > >
> > > I'm not sure precisely what your for-next tag corresponds to, but just
> > > FYI, this should probably go into 5.19 asap and be marked for stable@.
> >
> > The for-next/core branch should go in 5.19-rc1 (I'll send a pull request
> > tomorrow). There's no need to cc stable since the fixed commit just went
> > in (unless you mean something else by "marked for stable").
> 
> It is actually in stable, so please do CC. Otherwise I'll just forward manually.

Ah, I didn't know this (the fixed commit doesn't have a cc stable
either). So please forward it manually once Linus pulls it.

Thanks.

-- 
Catalin