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Re: [Qemu-devel] [PATCH qom-cpu v4 13/18] memory_mapping: Cleanup qemu_g
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] [PATCH qom-cpu v4 13/18] memory_mapping: Cleanup qemu_get_guest_memory_mapping() |
Date: |
Tue, 11 Jun 2013 19:47:08 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130510 Thunderbird/17.0.6 |
Am 11.06.2013 17:52, schrieb Luiz Capitulino:
> On Sun, 9 Jun 2013 18:10:42 +0200
> Andreas Färber <address@hidden> wrote:
>
>> We relied on the CPUClass::get_memory_mapping() implementation being a
>> no-op when paging is disabled for that CPU. Therefore we can just as well
>> iterate over all CPUs to retrieve mappings.
>>
>> This allows to use qemu_for_each_cpu() instead of open-coding CPU loops.
>>
>> Pass any Error out into dump_init() and have it actually stop on errors.
>> Whether it is unsupported on a certain CPU can be checked by looking for
>> a NULL CPUClass::get_memory_mapping field.
>>
>> Signed-off-by: Andreas Färber <address@hidden>
>
> Reviewed-by: Luiz Capitulino <address@hidden>
Thanks, reverted CPU loop changes and applied to qom-cpu as pure error
handling improvement:
https://github.com/afaerber/qemu-cpu/commits/qom-cpu
Andreas
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- Re: [Qemu-devel] [PATCH qom-cpu v4 09/18] cpu: Turn cpu_get_memory_mapping() into a CPUState hook, (continued)
- [Qemu-devel] [PATCH qom-cpu v4 14/18] dump: Abstract dump_init() with cpu_synchronize_all_states(), Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 12/18] cpu: Change default for CPUClass::get_paging_enabled(), Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 13/18] memory_mapping: Cleanup qemu_get_guest_memory_mapping(), Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 15/18] dump: Abstract dump_init() further with qemu_for_each_cpu(), Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 16/18] dump: Abstract write_elf{64, 32}_notes() with qemu_for_each_cpu(), Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 17/18] memory_mapping: Use hwaddr type for MemoryMapping virt_addr field, Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 18/18] memory_mapping: Build only once, Andreas Färber, 2013/06/09
- Re: [Qemu-devel] [PATCH qom-cpu v4 00/18] dump: Build cleanups, redone, Andreas Färber, 2013/06/09