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SubjectRe: [PATCH] printk: move dump stack related code to lib/dump_stack.c
On 02/09/18 at 05:42pm, Sergey Senozhatsky wrote:
> On (02/09/18 16:27), Dave Young wrote:
> > > Seems that those functions are still defined in printk header.
> > > Did you test !CONFIG_PRINTK build?
>
> Apparently dump_stack(void) is also in printk.h
>
> extern asmlinkage void dump_stack(void) __cold;
>
> so it's "OK" to keep those functions in printk.h, I guess. I thought
> that dump_stack() had its own header file...

It has not unfortunately.. The build failed because we have dummy
functions in printk.h and redefined in lib/dump_stack.c. I'm hesitating
to add #ifdef CONFIG_PRINTK in lib/dump_stack.c.

>
> > !CONFIG_PRINTK will use the dummy functions in printk.h, I did not test
> > the build, doing it now to double confirm..
>
> Not sure. Please test.
>
> -ss

Thanks
Dave

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