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[PATCH v1 0/1] oxenstored: fix ABI breakage in reset watches

  • To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Edwin Török <edvin.torok@xxxxxxxxxx>
  • Date: Wed, 15 Jul 2020 16:10:55 +0100
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  • Cc: David Scott <dave@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Edwin Török <edvin.torok@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Christian Lindig <christian.lindig@xxxxxxxxxx>
  • Delivery-date: Wed, 15 Jul 2020 15:11:24 +0000
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dbc84d2983969bb47d294131ed9e6bbbdc2aec49 (Xen >= 4.9.0) deleted XS_RESTRICT
from oxenstored, which caused all the following opcodes to be shifted by 1,
breaking the ABI compared to the C version and guests.

The affected opcode is 'reset watches', e.g. Linux uses this during kexec if a 
control/platform-feature-xs_reset_watches  field is present in xenstore.

Edwin Török (1):
  oxenstored: fix ABI breakage introduced in Xen 4.9.0

 tools/ocaml/libs/xb/op.ml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)




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