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powerpc/64s: Remove 'dummy_copy_buffer'

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In commit 2bf1071a8d ("powerpc/64s: Remove POWER9 DD1 support") the
function __switch_to remove usage for 'dummy_copy_buffer'. Since it is
not used anywhere else, remove it completely.

This remove the following warning:
  arch/powerpc/kernel/process.c:1156:17: error: 'dummy_copy_buffer' defined but not used

Suggested-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Mathieu Malaterre 2019-03-13 21:00:30 +01:00 committed by Michael Ellerman
parent 7e8039795a
commit a5ae043de7
1 changed files with 0 additions and 5 deletions
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5
arch/powerpc/kernel/process.c
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@ -1152,11 +1152,6 @@ static inline void restore_sprs(struct thread_struct *old_thread,
thread_pkey_regs_restore(new_thread, old_thread);
}
#ifdef CONFIG_PPC_BOOK3S_64
#define CP_SIZE 128
static const u8 dummy_copy_buffer[CP_SIZE] __attribute__((aligned(CP_SIZE)));
#endif
struct task_struct *__switch_to(struct task_struct *prev,
struct task_struct *new)
{