Re: [Xen-devel] [PATCH] x86/boot: Fix boot following c/s b6c2c7f48a

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 12.01.18 at 01:05, <andrew.cooper3@xxxxxxxxxx> wrote:
> c/s b6c2c7f48a unfortunately broke booting on affected systems.  Most of the
> time, ioemul_handle_quirk() doesn't write a custom stub, and the redundant
> call was depending on the seemingly-pointless writing of the default stub.
> 
> Alter the ioemul_handle_quirk() API to return a boolean if a custom stub was
> written, allowing its caller to know whether it should write a default stub
> instead.
> 
> Finally, adjust the /* Regular stubs */ comment to make it clearer that the 16
> refers to the length of the emul stub opcode.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>



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