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powerpc/64: remove start_tb and accum_tb from thread_struct

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These fields are only written to.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin
2018-05-05 03:19:29 +10:00
committed by Michael Ellerman
parent 54071e4176
commit 36d632ea83
2 changed files with 1 additions and 9 deletions
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4
arch/powerpc/include/asm/processor.h
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@@ -264,10 +264,6 @@ struct thread_struct {
struct thread_fp_state *fp_save_area;
int fpexc_mode; /* floating-point exception mode */
unsigned int align_ctl; /* alignment handling control */
#ifdef CONFIG_PPC64
unsigned long start_tb; /* Start purr when proc switched in */
unsigned long accum_tb; /* Total accumulated purr for process */
#endif
#ifdef CONFIG_HAVE_HW_BREAKPOINT
struct perf_event *ptrace_bps[HBP_NUM];
/*