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RE: [PATCH] xen/vcpu: remove vcpu_set_singleshot_timer flags field
- To: Roger Pau Monne <roger.pau@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Henry Wang <Henry.Wang@xxxxxxx>
- Date: Wed, 19 Apr 2023 02:15:32 +0000
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- Thread-topic: [PATCH] xen/vcpu: remove vcpu_set_singleshot_timer flags field
Hi Roger,
> -----Original Message-----
> From: Roger Pau Monne <roger.pau@xxxxxxxxxx>
> Subject: [PATCH] xen/vcpu: remove vcpu_set_singleshot_timer flags field
>
> The addition of the flags field in the vcpu_set_singleshot_timer in
> 505ef3ea8687 is an ABI breakage, as the size of the structure is
> increased.
>
> Remove such field addition and drop the implementation of the
> VCPU_SSHOTTMR_future flag. If a timer provides an expired timeout
> value just inject the timer interrupt.
>
> Bump the Xen interface version, and keep the flags field and
> VCPU_SSHOTTMR_future available for guests using the old interface.
>
> Note the removal of the field from the vcpu_set_singleshot_timer
> struct allows removing the compat translation of the struct.
>
> Fixes: 505ef3ea8687 ('Add flags field to VCPUOP_set_singlsehot_timer.')
> Reported-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
For the CHANGELOG part:
Acked-by: Henry Wang <Henry.Wang@xxxxxxx> # CHANGELOG
Kind regards,
Henry
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