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powerpc/mm/radix: Don't do SLB preload when using the radix MMU 

Add radix_enabled() check to avoid SLB preload with radix translation.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
hifive-unleashed-5.2
Aneesh Kumar K.V 2019-04-09 09:33:28 +05:30 committed by Michael Ellerman
parent 24c174bb23
commit f89bd8ba83
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/kernel/process.c
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@ -1729,7 +1729,8 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
unsigned long load_addr = regs->gpr[2]; /* saved by ELF_PLAT_INIT */
#ifdef CONFIG_PPC_BOOK3S_64
preload_new_slb_context(start, sp);
if (!radix_enabled())
preload_new_slb_context(start, sp);
#endif
#endif