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From: Michael Ellerman <>
To:, Alexey Kardashevskiy <>
Subject: Re: [RFC PATCH kernel] powerpc: Fix early setup to make early_ioremap work
Date: Fri, 21 May 2021 22:44:13 +1000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, 20 May 2021 13:29:19 +1000, Alexey Kardashevskiy wrote:
> The immediate problem is that after
> 0bd3f9e953bd ("powerpc/legacy_serial: Use early_ioremap()")
> the kernel silently reboots. The reason is that early_ioremap() returns
> broken addresses as it uses slot_virt[] array which initialized with
> KERN_IO_END- FIXADDR_SIZ + FIXADDR_SIZE == __kernel_io_end which is 0
> when early_ioremap_setup() is called. __kernel_io_end is initialized
> little bit later in early_init_mmu().
> [...]

Applied to powerpc/fixes.

[1/1] powerpc: Fix early setup to make early_ioremap work


      parent reply	other threads:[~2021-05-21 12:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-20  3:29 [RFC PATCH kernel] powerpc: Fix early setup to make early_ioremap work Alexey Kardashevskiy
2021-05-20  3:33 ` Alexey Kardashevskiy
2021-05-20  5:38   ` Christophe Leroy
2021-05-20  5:46 ` Christophe Leroy
2021-05-20  5:52   ` Alexey Kardashevskiy
2021-05-20  6:03     ` Christophe Leroy
2021-05-21 12:44 ` Michael Ellerman [this message]

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