Re: [PATCH v2 1/2] maple_tree: Disable mas_wr_append() when other readers are possible

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To: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Subject: Re: [PATCH v2 1/2] maple_tree: Disable mas_wr_append() when other readers are possible
From: Andreas Schwab <schwab@xxxxxxxxxxxxxx>
Date: Thu, 31 Aug 2023 21:01:38 +0200
Cc: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, maple-tree@xxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx
In-reply-to: <87y1hr22o1.fsf@mail.lhotse> (Michael Ellerman's message of "Thu, 31 Aug 2023 15:37:02 +1000")
References: <20230819004356.1454718-1-Liam.Howlett@oracle.com> <20230819004356.1454718-2-Liam.Howlett@oracle.com> <87bkeotin8.fsf@igel.home> <87y1hr22o1.fsf@mail.lhotse>
User-agent: Gnus/5.13 (Gnus v5.13)

On Aug 31 2023, Michael Ellerman wrote:

> Andreas Schwab <schwab@xxxxxxxxxxxxxx> writes:
>> This breaks booting on ppc32:
>
> Does enabling CONFIG_DEBUG_ATOMIC_SLEEP fix the crash?

Yes, it does.

-- 
Andreas Schwab, schwab@xxxxxxxxxxxxxx
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

References:
- [PATCH v2 0/2] maple_tree: mas_wr_append() fix ups
  - From: Liam R. Howlett
- [PATCH v2 1/2] maple_tree: Disable mas_wr_append() when other readers are possible
  - From: Liam R. Howlett
- Re: [PATCH v2 1/2] maple_tree: Disable mas_wr_append() when other readers are possible
  - From: Andreas Schwab
- Re: [PATCH v2 1/2] maple_tree: Disable mas_wr_append() when other readers are possible
  - From: Michael Ellerman

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