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Re: [PATCH] xen: acpi: Hide UART address only if SPCR exists


On 19/01/2021 07:25, Elliott Mitchell wrote:
On Mon, Sep 28, 2020 at 09:41:39PM +0900, Masami Hiramatsu wrote:
With Julien's ACPI fix, I found my DeveloperBox (
https://www.96boards.org/product/developerbox/ ) still failed
to boot bcause of SPCR issue. According to the UEFI EDK2
implementation, the SCPR table will not be made if user
chooses graphical console instead of serial.
In such case, we should ignore the SPCR missing error.

You weren't the only person running into this.  Since you didn't get
back sooner I ended up submitting a pretty similar patch (I kept the
printk() due to informational value).

Right, a cut-down version of the patch submitted has been merged.

@Masami, I believe all the ACPI patches for Arm went in. Would you mind to try the latest staging branch?

861f0c110976fa8879b7bf63d9478b6be83d4ab6 on master (switching to "main"
in the future?)

There was a discussion about it a few months ago. The last input we were waiting on github to make the change and adopt the same name.

Feel free to give a nudge on the thread [1].


[1] <24307.31637.214096.240023@xxxxxxxxxxxxxxxxxxxxxxxx>

Julien Grall



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