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Re: [PATCH v1 01/21] accel/tcg: Change interrupt/exception handling to r


From: Paolo Bonzini
Subject: Re: [PATCH v1 01/21] accel/tcg: Change interrupt/exception handling to remove implied BQL
Date: Thu, 6 Aug 2020 20:45:49 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0

On 06/08/20 18:11, Robert Foley wrote:
>> Indeed the series should be structured like this:
>>
>> 1) rename all *_do_interrupt functions to *_do_interrupt_locked
>>
>> 2) add back *_do_interrupt that takes the BQL and calls
>> *_do_interrupt_locked, point ->do_interrupt to it, remove the BQL from
>> cpu-exec.c
>>
>> 3) modify the cpu_mutex and BQL critical sections around
>> ->cpu_exec_interrupt, so that the BQL critical section covers just the
>> call to ->cpu_exec_interrupt.  Document which fields are now covered by
>> cpu_mutex.
>>
>> 4/5) same as 1/2 for ->cpu_exec_interrupt
>>
>> Patches 1/2 would be pretty large, but they're trivial to review just by
>> grepping for "->do_interrupt\s*=", and likewise for 4/5.
>>
> 
> Thanks for the details !
> 
> It seems like we will have 3 separate patches for this series, 1/2, 3, and 
> 4/5.

No, five patches. :)

Paolo




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