>>> On 31.08.18 at 10:32, <wei.l...@citrix.com> wrote:
> On Fri, Aug 31, 2018 at 10:29:21AM +0200, Olaf Hering wrote:
>> Creating debug info during build is not strictly required at runtime.
>> Make it optional by introducing a new Kconfig knob "DEBUG_INFO".
>> This slightly reduces build time and diskusage, if disabled.
>> 
>> Signed-off-by: Olaf Hering <o...@aepfle.de>
>> ---
>>  xen/Kconfig.debug | 7 +++++++
>>  xen/Rules.mk      | 5 ++++-
>>  2 files changed, 11 insertions(+), 1 deletion(-)
>> 
>> diff --git a/xen/Kconfig.debug b/xen/Kconfig.debug
>> index 380c4e8d75..1d8c2c94a9 100644
>> --- a/xen/Kconfig.debug
>> +++ b/xen/Kconfig.debug
>> @@ -11,6 +11,13 @@ config DEBUG
>>  
>>        You probably want to say 'N' here.
>>  
>> +config DEBUG_INFO
>> +    bool "Compile Xen with debug info"
>> +    default y
> 
> At the very least this should be default DEBUG

I disagree - -g is being passed to the compiler unconditionally at
present.

> But what is the difference between this and DEBUG anyway?

DEBUG_INFO controls use of the -g compiler option. DEBUG controls
how e.g. ASSERT()s behave.

Jan



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