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[kernel,0/2] powerpc/mm_iommu: Fix potential deadlock

Message ID 20190329054641.48597-1-aik@ozlabs.ru
Headers show
Series powerpc/mm_iommu: Fix potential deadlock | expand

Message

Alexey Kardashevskiy March 29, 2019, 5:46 a.m. UTC 
I was trying the kernel with DEBUG_LOCKDEP and saw warnings. 1/2 is preparing the fix
to make 2/2 reviewable and 2/2 is the actual fix.


This is based on sha1
a3ac7917b730 Linus Torvalds "Revert "parport: daisy: use new parport device model"".

Please comment. Thanks.



Alexey Kardashevskiy (2):
  powerpc/mm_iommu: Prepare for less locking
  powerpc/mm_iommu: Fix potential deadlock

 arch/powerpc/mm/mmu_context_iommu.c | 186 ++++++++++++++--------------
 1 file changed, 96 insertions(+), 90 deletions(-)