[Bug 1995860] Re: Emulation of fence.tso hangs in endless loop

[Heinrich Schuchardt]

** Also affects: u-boot-nezha (Ubuntu)
   Importance: Undecided
       Status: New

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Title:
  Emulation of fence.tso hangs in endless loop

Status in opensbi package in Ubuntu:
  New
Status in u-boot package in Ubuntu:
  New
Status in u-boot-nezha package in Ubuntu:
  New

Bug description:
  OpenSBI 1.1 has added an emulation of the fence.tso instruction
  missing on the Allwinner D1 SOC. This emulation hangs in an endless
  loop. This is fixed by the following upstream patch:

  111afc12306e ("lib: sbi_illegal_insn: Fix FENCE.TSO emulation infinite
  trap loop")

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