[PATCH] powerpc/mm/radix: Do slb preload only with hash translation mode
Aneesh Kumar K.V
aneesh.kumar at linux.ibm.com
Tue Apr 9 14:03:28 AEST 2019
Add radix_enabled check to avoid slb preload with radix translation.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com>
---
Without this we result in kernel crash as we move hash related variables
out of mm_context_t
arch/powerpc/kernel/process.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index dd9e0d5386ee..f7b2e3b3db28 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -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
--
2.20.1
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