[PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable pagefault/preempt twice

Guenter Roeck linux at roeck-us.net
Thu May 21 22:20:46 UTC 2020

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 at intel.com wrote:
>>> From: Ira Weiny <ira.weiny at 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 at 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.


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