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Re: [Qemu-devel] [PULL 08/10] memory-mapping: skip non-volatile memory r


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PULL 08/10] memory-mapping: skip non-volatile memory regions in GuestPhysBlockList
Date: Tue, 6 Nov 2018 11:04:43 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0

On 05/11/2018 16:37, Laszlo Ersek wrote:
> On 10/30/18 20:50, Paolo Bonzini wrote:
>> From: Marc-André Lureau <address@hidden>
>>
>> GuestPhysBlockList is currently used to produce dumps. Given the size
>> and the typical usage of NVDIMM for storage, they are not a good idea
>> to have in the dumps. We may want to have an extra dump option to
>> include them. For now, skip non-volatile regions.
>>
>> The TCG memory clear function is going to use the GuestPhysBlockList
>> as well, and will thus skip NVDIMM for similar reasons.
>>
>> Cc: address@hidden
>> Signed-off-by: Marc-André Lureau <address@hidden>
>> Message-Id: <address@hidden>
>> Signed-off-by: Paolo Bonzini <address@hidden>
>> ---
>>  memory_mapping.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/memory_mapping.c b/memory_mapping.c
>> index 775466f..724dd0b 100644
>> --- a/memory_mapping.c
>> +++ b/memory_mapping.c
>> @@ -206,7 +206,8 @@ static void guest_phys_blocks_region_add(MemoryListener 
>> *listener,
>>  
>>      /* we only care about RAM */
>>      if (!memory_region_is_ram(section->mr) ||
>> -        memory_region_is_ram_device(section->mr)) {
>> +        memory_region_is_ram_device(section->mr) ||
>> +        memory_region_is_nonvolatile(section->mr)) {
>>          return;
>>      }
>>  
>>
> 
> This patch misses my R-b, and (in chronological order) DavidH's, from:
> 
> http://mid.mail-archive.com/address@hidden
> http://mid.mail-archive.com/address@hidden

Fixed, thanks.

Paolo



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