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ptrace/powerpc: Don't flush_ptrace_hw_breakpoint() on fork()
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
arch
/
powerpc
/
kernel
/
process.c
diff --git
a/arch/powerpc/kernel/process.c
b/arch/powerpc/kernel/process.c
index
59dd545
..
834805c
100644
(file)
--- a/
arch/powerpc/kernel/process.c
+++ b/
arch/powerpc/kernel/process.c
@@
-910,10
+910,6
@@
int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
flush_altivec_to_thread(src);
flush_vsx_to_thread(src);
flush_spe_to_thread(src);
flush_altivec_to_thread(src);
flush_vsx_to_thread(src);
flush_spe_to_thread(src);
-#ifdef CONFIG_HAVE_HW_BREAKPOINT
- flush_ptrace_hw_breakpoint(src);
-#endif /* CONFIG_HAVE_HW_BREAKPOINT */
-
*dst = *src;
return 0;
}
*dst = *src;
return 0;
}
@@
-984,6
+980,10
@@
int copy_thread(unsigned long clone_flags, unsigned long usp,
p->thread.ksp_limit = (unsigned long)task_stack_page(p) +
_ALIGN_UP(sizeof(struct thread_info), 16);
p->thread.ksp_limit = (unsigned long)task_stack_page(p) +
_ALIGN_UP(sizeof(struct thread_info), 16);
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+ p->thread.ptrace_bps[0] = NULL;
+#endif
+
#ifdef CONFIG_PPC_STD_MMU_64
if (mmu_has_feature(MMU_FTR_SLB)) {
unsigned long sp_vsid;
#ifdef CONFIG_PPC_STD_MMU_64
if (mmu_has_feature(MMU_FTR_SLB)) {
unsigned long sp_vsid;