linux-kernel - Re: [PATCH] mm/vmalloc: track which page-table levels were modified

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Message-ID: <20200604083512.GN6857@suse.de>
Date:   Thu, 4 Jun 2020 10:35:12 +0200
From:   Joerg Roedel <jroedel@...e.de>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/vmalloc: track which page-table levels were modified

Hi Guenter,

On Wed, Jun 03, 2020 at 04:23:11PM -0700, Guenter Roeck wrote:
> This patch causes crashes with all my ppc64 boot tests, in various
> locations depending on the platform. Reverting it together with its
> companion "mm/ioremap: track which page-table levels were modified"
> fixes the problem.
> 
> Various logs are at
> https://kerneltests.org/builders/qemu-ppc64-master/builds/1442/steps/qemubuildcommand/logs/stdio

I posted the fix for this already:

	https://lore.kernel.org/lkml/20200604074446.23944-1-joro@8bytes.org/

Regards,

	Joerg