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Re: [Qemu-stable] [PATCH 1/7] openpic_kvm: drop address_space_to_flatvie
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-stable] [PATCH 1/7] openpic_kvm: drop address_space_to_flatview call |
Date: |
Tue, 6 Mar 2018 13:25:46 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
On 06/03/2018 01:10, David Gibson wrote:
> On Mon, Mar 05, 2018 at 09:36:49AM +0100, Paolo Bonzini wrote:
>> The MemoryListener is registered on address_space_memory, there is
>> not much to assert. This currently works because the callback
>> is invoked only once when the listener is registered, but section->fv
>> is the _new_ FlatView, not the old one on later calls and that
>> would break.
>>
>> This confines address_space_to_flatview to exec.c and memory.c.
>>
>> Cc: address@hidden
>> Signed-off-by: Paolo Bonzini <address@hidden>
>
> Acked-by: David Gibson <address@hidden>
>
> Do you want me to take this through my tree?
No need since Alexey has already reviewed the rest. Thanks!
Paolo
>
>
>> ---
>> hw/intc/openpic_kvm.c | 4 ----
>> 1 file changed, 4 deletions(-)
>>
>> diff --git a/hw/intc/openpic_kvm.c b/hw/intc/openpic_kvm.c
>> index fa83420254..39a6f369c5 100644
>> --- a/hw/intc/openpic_kvm.c
>> +++ b/hw/intc/openpic_kvm.c
>> @@ -124,10 +124,6 @@ static void kvm_openpic_region_add(MemoryListener
>> *listener,
>> uint64_t reg_base;
>> int ret;
>>
>> - if (section->fv != address_space_to_flatview(&address_space_memory)) {
>> - abort();
>> - }
>> -
>> /* Ignore events on regions that are not us */
>> if (section->mr != &opp->mem) {
>> return;
>