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Re: [PATCH 2/2] accel/tcg: interrupt/exception handling uses bql_interru
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From: |
Paolo Bonzini |
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Subject: |
Re: [PATCH 2/2] accel/tcg: interrupt/exception handling uses bql_interrupt flag |
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Date: |
Mon, 3 Aug 2020 09:11:35 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 |
On 02/08/20 18:09, Alex Bennée wrote:
> I originally suggested keeping the locking choice up in the main loop
> because I suspect most guests will stick to BQL IRQs until they find it
> is a bottle neck.
True, but the main loop is already complicated and conditional locking
is pretty much impossible to reason on and (in the future) do static
analysis on.
Paolo