syscalls do not set the PPR field in their interrupt frame and return
from syscall always sets the default PPR for userspace, so setting the
value in the ret_from_fork frame is not necessary and mildly
inconsistent. Remove it.
Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
arch/powerpc/kernel/process.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index e67597fd998f..3685a74a9041 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1814,11 +1814,6 @@ int copy_thread(struct task_struct *p, const struct
kernel_clone_args *args)
f = ret_from_fork;
}
-#ifdef CONFIG_PPC64
- if (cpu_has_feature(CPU_FTR_HAS_PPR))
- childregs->ppr = DEFAULT_PPR;
-#endif
-
childregs->msr &= ~(MSR_FP|MSR_VEC|MSR_VSX);
p->thread.regs = childregs;
}
--
2.37.2
