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Message-ID: <bdc8dc64-622c-3b0d-1ae1-48222cf34358@roeck-us.net>
Date: Thu, 21 May 2020 15:20:46 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Al Viro <viro@...iv.linux.org.uk>
Cc: ira.weiny@...el.com, linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
"James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
Helge Deller <deller@....de>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
"David S. Miller" <davem@...emloft.net>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
Dave Hansen <dave.hansen@...ux.intel.com>,
Andy Lutomirski <luto@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Chris Zankel <chris@...kel.net>,
Max Filippov <jcmvbkbc@...il.com>,
Dan Williams <dan.j.williams@...el.com>,
linux-snps-arc@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-csky@...r.kernel.org,
linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, sparclinux@...r.kernel.org,
linux-xtensa@...ux-xtensa.org, dri-devel@...ts.freedesktop.org,
Christian Koenig <christian.koenig@....com>,
Christoph Hellwig <hch@....de>
Subject: Re: [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable
pagefault/preempt twice
On 5/21/20 10:27 AM, Al Viro wrote:
> On Tue, May 19, 2020 at 09:54:22AM -0700, Guenter Roeck wrote:
>> On Mon, May 18, 2020 at 11:48:43AM -0700, ira.weiny@...el.com wrote:
>>> From: Ira Weiny <ira.weiny@...el.com>
>>>
>>> The kunmap_atomic clean up failed to remove one set of pagefault/preempt
>>> enables when vaddr is not in the fixmap.
>>>
>>> Fixes: bee2128a09e6 ("arch/kunmap_atomic: consolidate duplicate code")
>>> Signed-off-by: Ira Weiny <ira.weiny@...el.com>
>>
>> microblazeel works with this patch, as do the nosmp sparc32 boot tests,
>> but sparc32 boot tests with SMP enabled still fail with lots of messages
>> such as:
>
> BTW, what's your setup for sparc32 boot tests? IOW, how do you manage to
> shrink the damn thing enough to have the loader cope with it? I hadn't
> been able to do that for the current mainline ;-/
>
defconfig seems to work just fine, even after enabling various debug
and file system options.
Guenter
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