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Date:   Thu, 21 May 2020 23:46:12 +0100
From:   Al Viro <viro@zeniv.linux.org.uk>
To:     Guenter Roeck <linux@roeck-us.net>
Cc:     ira.weiny@intel.com, linux-kernel@vger.kernel.org,
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Subject: Re: [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable
 pagefault/preempt twice
Message-ID: <20200521224612.GJ23230@ZenIV.linux.org.uk>
References: <20200507150004.1423069-8-ira.weiny@intel.com>
 <20200518184843.3029640-1-ira.weiny@intel.com>
 <20200519165422.GA5838@roeck-us.net>
 <20200521172704.GF23230@ZenIV.linux.org.uk>
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On Thu, May 21, 2020 at 03:20:46PM -0700, Guenter Roeck wrote:
> 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@intel.com wrote:
> >>> From: Ira Weiny <ira.weiny@intel.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@intel.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.

The hell?  How do you manage to get the kernel in?  sparc32_defconfig
ends up with 5316876 bytes unpacked...