Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <alpine.LRH.2.02.2208220530050.32093@file01.intranet.prod.int.rdu2.redhat.com>
 <CAHk-=wh-6RJQWxdVaZSsntyXJWJhivVX8JFH4MqkXv12AHm_=Q@mail.gmail.com>
 <CAHk-=whfZSEc40wtq5H51JcsBdB50ctZPtM3rS3E+xUNvadLog@mail.gmail.com>
 <alpine.LRH.2.02.2208251501200.31977@file01.intranet.prod.int.rdu2.redhat.com>
 <20220826112327.GA19774@willie-the-truck> <alpine.LRH.2.02.2208260727020.17585@file01.intranet.prod.int.rdu2.redhat.com>
 <alpine.LRH.2.02.2208261003590.27240@file01.intranet.prod.int.rdu2.redhat.com>
 <20220826174352.GA20386@willie-the-truck> <alpine.LRH.2.02.2208261424580.31963@file01.intranet.prod.int.rdu2.redhat.com>
In-Reply-To: <alpine.LRH.2.02.2208261424580.31963@file01.intranet.prod.int.rdu2.redhat.com>
From:   Ard Biesheuvel <ardb@kernel.org>
Date:   Fri, 26 Aug 2022 20:31:31 +0200
Message-ID: <CAMj1kXHmXHKG4TXG+e7FgHCB2KKjmSeAdoAVR_bQTjb6NTVD4A@mail.gmail.com>
Subject: Re: [PATCH] wait_on_bit: add an acquire memory barrier
To:     Mikulas Patocka <mpatocka@redhat.com>
Cc:     Will Deacon <will@kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Alan Stern <stern@rowland.harvard.edu>,
        Andrea Parri <parri.andrea@gmail.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Boqun Feng <boqun.feng@gmail.com>,
        Nicholas Piggin <npiggin@gmail.com>,
        David Howells <dhowells@redhat.com>,
        Jade Alglave <j.alglave@ucl.ac.uk>,
        Luc Maranget <luc.maranget@inria.fr>,
        "Paul E. McKenney" <paulmck@kernel.org>,
        Akira Yokosawa <akiyks@gmail.com>,
        Daniel Lustig <dlustig@nvidia.com>,
        Joel Fernandes <joel@joelfernandes.org>,
        linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Fri, 26 Aug 2022 at 20:25, Mikulas Patocka <mpatocka@redhat.com> wrote:
>
>
>
> On Fri, 26 Aug 2022, Will Deacon wrote:
>
> > > So, the bad commit is aacd149b62382c63911060b8f64c1e3d89bd405a ("arm64:
> > > head: avoid relocating the kernel twice for KASLR").
> >
> > Thanks. Any chance you could give this a go, please?
> >
> > https://lore.kernel.org/r/20220826164800.2059148-1-ardb@kernel.org
> >
> > Will
>
> This doesn't help.
>

Could you try booting with earlycon?

Just 'earlycon' and if that does not help,
'earlycon=uart8250,mmio32,<uart PA>' [IIRC, mcbin uses 16550
compatible UARTs, right?]