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Re: [Qemu-devel] [PULL 18/21] build: don't build hardware objects with l
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [Qemu-devel] [PULL 18/21] build: don't build hardware objects with linux-user |
Date: |
Thu, 4 Jul 2019 15:09:32 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 |
On 5/21/19 10:16 PM, Laurent Vivier wrote:
> On 21/05/2019 14:54, Daniel P. Berrangé wrote:
>> On Tue, May 21, 2019 at 02:52:42PM +0200, Laurent Vivier wrote:
>>> On 21/05/2019 13:52, Daniel P. Berrangé wrote:
>>>> On Wed, May 15, 2019 at 10:50:30PM +0200, Paolo Bonzini wrote:
>>>>> From: Laurent Vivier <address@hidden>
>>>>>
>>>>> Some objects are only needed for system emulation and tools.
>>>>> We can ignore them for the user mode case
>>>>>
>>>>> Update tests to run accordingly: conditionally build some tests
>>>>> on CONFIG_BLOCK.
>>>>>
>>>>> Some tests use components that are only built when softmmu or
>>>>> block tools are enabled, not for linux-user. So, if these components
>>>>> are not available, disable the tests.
>>>>>
>>>>> Signed-off-by: Laurent Vivier <address@hidden>
>>>>> Message-Id: <address@hidden>
>>>>> ---
>>>>> Makefile | 4 +++
>>>>> Makefile.objs | 14 +++++---
>>>>> tests/Makefile.include | 90
>>>>> +++++++++++++++++++++++++-------------------------
>>>>> 3 files changed, 58 insertions(+), 50 deletions(-)
>>>>>
>>>>> diff --git a/Makefile b/Makefile
>>>>> index 1851f8c..155f066 100644
>>>>> --- a/Makefile
>>>>> +++ b/Makefile
>>>>> @@ -87,6 +87,10 @@ endif
>>>>> include $(SRC_PATH)/rules.mak
>>>>> +# notempy and lor are defined in rules.mak
>>>>> +CONFIG_TOOLS := $(call notempty,$(TOOLS))
>>>>> +CONFIG_BLOCK := $(call lor,$(CONFIG_SOFTMMU),$(CONFIG_TOOLS))
>>>>
>>>> IMHO calling this CONFIG_BLOCK is a really poor choice, as
>>>> the decision is completely unrelated to block modules. It
>>>> made really confused when trying to understand why all the
>>>> crypto or auth code had been made conditional on the block
>>>> drivers. The block code is just one part of QEMU that
>>>> is used in tools & softmmu.
>>>>
>>>> It would be better as CONFIG_SOFTMMU_TOOLS, or
>>>> CONFIG_NOT_USER, or something else.
>>>
>>> Do you think it's worth a patch to change the name?
>>
>> Personally I'd like to see a patch to give it a better name.
>
> I'm wondering which name to use.
>
> CONFIG_NOT_USER is not correct because the flag can be 'y' with
> CONFIG_USER_ONLY set.
> CONFIG_SOFTMMU_TOOLS is too fuzzy.
>
> CONFIG_HW ?
> CONFIG_IO ?
> CONFIG_DEVICE ?
CONFIG_MACHINE_HW?
CONFIG_MACHINE_IO_HELPERS?
CONFIG_AIO?
BTW looking at util/Makefile.objs there is various think you can skip
for linux-user IMO.
Regards,
Phil.
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