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SubjectRe: [PATCH] powerpc: restore current_thread_info()
On Tue, May 07, 2019 at 11:58:56PM +0100, Al Viro wrote:
> On Tue, May 07, 2019 at 03:51:21PM -0700, Yury Norov wrote:
> > Commit ed1cd6deb013 ("powerpc: Activate CONFIG_THREAD_INFO_IN_TASK")
> > removes the function current_thread_info(). It's wrong because the
> > function is used in non-arch code and is part of API.
>
> In include/linux/thread_info.h:
>
> #ifdef CONFIG_THREAD_INFO_IN_TASK
> /*
> * For CONFIG_THREAD_INFO_IN_TASK kernels we need <asm/current.h> for the
> * definition of current, but for !CONFIG_THREAD_INFO_IN_TASK kernels,
> * including <asm/current.h> can cause a circular dependency on some platforms.
> */
> #include <asm/current.h>
> #define current_thread_info() ((struct thread_info *)current)
> #endif

Ah, sorry. Then it might be my rebase issue. I was confused because Christophe
didn't remove the comment to current_thread_info(), so I decided he
removed it erroneously.

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