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SubjectRe: [PATCH] rtlwifi: Create _rtl_dbg_trace function to reduce RT_TRACE code size
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On 06/27/2016 10:55 PM, Joe Perches wrote:
> On Mon, 2016-06-27 at 19:53 -0500, Larry Finger wrote:
>> On 06/25/2016 05:46 PM, Joe Perches wrote:
>>>
>>> This debugging macro can expand to a lot of code.
>>> Make it a function to reduce code size.
>>>
>>> (x86-64 defconfig w/ all rtlwifi drivers and allyesconfig)
>>> $ size drivers/net/wireless/realtek/rtlwifi/built-in.o*
>>> text data bss dec hex filename
>>> 900083 200499 1907 1102489 10d299 drivers/net/wireless/realtek/rtlwifi/built-in.o.defconfig.new
>>> 1113597 200499 1907 1316003 1414a3 drivers/net/wireless/realtek/rtlwifi/built-in.o.defconfig.old
>>> 1746879 453503 8512 2208894 21b47e drivers/net/wireless/realtek/rtlwifi/built-in.o.new
>>> 2051965 503311 8512 2563788 271ecc drivers/net/wireless/realtek/rtlwifi/built-in.o.old
>>>
>>> Signed-off-by: Joe Perches <joe@perches.com>
>> I acked this before; however there is a bug that breaks the build if
>> CONFIG_RTLWIFI_DEBUG is not defined. The rest of the code calls
>> _rtl_dbg_trace(), but that symbol is never defined. The problem can be fixed in
>> debug.c or debug.h.
>
> Confused a bit. What breaks again?

Nothing breaks and your patch is OK. I had ported it to a GitHub repo of these
drivers, which had a different debug.h. That led to the missing global when
CONFIG_RTLWIFI_DEBUG was not defined. That has now been fixed.

Sorry for the confusion.

Larry


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