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Re: [Qemu-devel] [PATCH] pc-dimm: use same mechanism for [get|set]_addr
From: |
Wei Yang |
Subject: |
Re: [Qemu-devel] [PATCH] pc-dimm: use same mechanism for [get|set]_addr |
Date: |
Wed, 6 Feb 2019 23:55:15 +0000 |
User-agent: |
NeoMutt/20170113 (1.7.2) |
On Wed, Feb 06, 2019 at 12:59:49PM +0100, Igor Mammedov wrote:
>On Fri, 1 Feb 2019 09:08:37 +0800
>Wei Yang <address@hidden> wrote:
>
>> [get|set]_addr are two counterpart to access PCDIMMDevice.addr.
>>
>> Since we have already set up a property PC_DIMM_ADDR_PROP for this
>> field and use this mechanism in set_addr, it would be more proper to use
>> the same mechanism in set_addr.
>>
>> This patch uses object_property_get_uint() to replace the direct memory
>> access to make [get|set]_addr with the same mechanism.
>>
>> Signed-off-by: Wei Yang <address@hidden>
>> ---
>> hw/mem/pc-dimm.c | 4 +---
>> 1 file changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
>> index 0c9b9e8292..c0658b9b88 100644
>> --- a/hw/mem/pc-dimm.c
>> +++ b/hw/mem/pc-dimm.c
>> @@ -204,9 +204,7 @@ static MemoryRegion
>> *pc_dimm_get_memory_region(PCDIMMDevice *dimm, Error **errp)
>>
>> static uint64_t pc_dimm_md_get_addr(const MemoryDeviceState *md)
>> {
>> - const PCDIMMDevice *dimm = PC_DIMM(md);
>> -
>> - return dimm->addr;
>> + return object_property_get_uint(OBJECT(md), PC_DIMM_ADDR_PROP, NULL);
>it's not good to ignore errors
>
>s/NULL/error_abort/
>
>so we would notice if error ever happened.
You mean something like this?
Error *err;
uint64_t addr;
addr = object_property_get_uint(OBJECT(md), PC_DIMM_ADDR_PROP, &err);
if (err) {
warn_report_err(&err);
return 0;
}
return addr;
>
>> }
>>
>> static void pc_dimm_md_set_addr(MemoryDeviceState *md, uint64_t addr,
>
--
Wei Yang
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