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Re: [RFC PATCH-not-for-5.1? v2] hw/isa/isa-bus: Ensure ISA I/O regions a
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From: |
Michael Tokarev |
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Subject: |
Re: [RFC PATCH-not-for-5.1? v2] hw/isa/isa-bus: Ensure ISA I/O regions are 8/16-bit accessible |
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Date: |
Wed, 22 Jul 2020 09:43:12 +0300 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
21.07.2020 15:29, Philippe Mathieu-Daudé wrote:
> On 7/20/20 9:45 PM, Michael Tokarev wrote:
...
>> For now we don't have any released qemu version with this situation
>> so not many project enabled workarounds for broken qemu behavour
>> like the xen-devel link above.
Note: all of the entries below have min_access_size = max_access_size = 0
I dunno what it gives us, but it is a different issue.
>> qemu-system-x86_64: ISA device 'kvm-i8259' requires I/O max_access_size of 2
>> qemu-system-x86_64: ISA device 'kvm-i8259' requires I/O max_access_size of 2
>> qemu-system-x86_64: ISA device 'kvm-i8259' requires I/O max_access_size of 2
>> qemu-system-x86_64: ISA device 'kvm-i8259' requires I/O max_access_size of 2
>> qemu-system-x86_64: ISA device 'mc146818rtc' requires I/O max_access_size of
>> 2
>> qemu-system-x86_64: ISA device 'kvm-pit' requires I/O max_access_size of 2
>> qemu-system-x86_64: ISA device 'isa-pcspk' requires I/O max_access_size of 2
>> qemu-system-x86_64: ISA device 'isa-serial' requires I/O max_access_size of 2
>> qemu-system-x86_64: ISA device 'i8042' requires I/O max_access_size of 2
>> qemu-system-x86_64: ISA device 'i8042' requires I/O max_access_size of 2
>> qemu-system-x86_64: ISA device 'vmport' requires I/O max_access_size of 2
>> qemu-system-x86_64: ISA device 'port92' requires I/O max_access_size of 2
>
> This is better to find the full list:
I found no other entries which restrict access to >1.
/mjt