linux-kernel - Re: [PATCH] iomap: remove set_memor

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Message-ID: <Zs1RFxM9tW1-O4rg@infradead.org>
Date: Mon, 26 Aug 2024 21:07:51 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Luis Chamberlain <mcgrof@...nel.org>
Cc: brauner@...nel.org, djwong@...nel.org, sfr@...b.auug.org.au,
	p.raghav@...sung.com, dchinner@...hat.com,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-xfs@...r.kernel.org, linux-next@...r.kernel.org
Subject: Re: [PATCH] iomap: remove set_memor_ro() on zero page

On Mon, Aug 26, 2024 at 02:26:32PM -0700, Luis Chamberlain wrote:
> Stephen reported a boot failure on ppc power8 system where
> set_memor_ro() on the new zero page failed [0]. Christophe Leroy
> further clarifies we can't use this on on linear memory on ppc, and
> so instead of special casing this just for PowerPC [2] remove the
> call as suggested by Darrick.

I've already asked for it not to be added multiple times, but I'm
glad we're getting there now:

Reviewed-by: Christoph Hellwig <hch@....de>