linux-kernel - Re: [2.6 patch] blackfin: "extern inline" -> "static inline"

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Date:	Thu, 25 Oct 2007 13:53:55 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Mike Frysinger <vapier.adi@...il.com>
CC:	Adrian Bunk <bunk@...nel.org>, Jie Zhang <jzhang.linux@...il.com>,
	bryan.wu@...log.com, linux-kernel@...r.kernel.org
Subject: Re: [2.6 patch] blackfin: "extern inline" -> "static inline"

Mike Frysinger wrote:
> On 10/25/07, H. Peter Anvin <hpa@...or.com> wrote:
>> Mike Frysinger wrote:
>>>> Do you have any example for your claim "to get gcc to not inline things
>>>> when building debug versions"?
>>> $ cat test.c
>>> __attribute__((always_inline)) int foo(void) { return 0; }
>>> int main(void){ return foo(); }
>>> $ gcc -g test.c -o test
>>> $ readelf -s test | grep FUNC | grep -v _
>>>     61: 00000000004004b8    11 FUNC    GLOBAL DEFAULT   13 foo
>>>     68: 00000000004004c3    11 FUNC    GLOBAL DEFAULT   13 main
>>>
>>> looks pretty straightforward to me
>> For "debug version" meaning -O0, this is true.
> 
> which is what i meant, sorry for not being more clear
> 
> anyways, this is all moot ... we dont want "always inline" nor do we
> want "static inline" for our string functions.  we want the classical
> GNU meaning of "extern inline" which means we're going to either have
> a Blackfin specific "extern_inline" define or we get one added to the
> common compiler headers and use that.
> 
> Peter (or is it "H. Peter" ?): you going to post a patch or should i ?
> -mike

Just "Peter" is fine :)

Go right ahead.

	-hpa
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