All other virt handlers have the prolog code in the virt vector rather
than branch to the real vector. Follow this pattern in the denorm virt
handler.

Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
 arch/powerpc/kernel/exceptions-64s.S | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/exceptions-64s.S 
b/arch/powerpc/kernel/exceptions-64s.S
index 94f885c58022..1c07b5fc6692 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1853,7 +1853,11 @@ EXC_REAL_END(denorm_exception_hv, 0x1500, 0x100)
 
 #ifdef CONFIG_PPC_DENORMALISATION
 EXC_VIRT_BEGIN(denorm_exception, 0x5500, 0x100)
-       b       exc_real_0x1500_denorm_exception_hv
+       INT_HANDLER denorm_exception, 0x1500, 0, 2, 1, EXC_HV, PACA_EXGEN, 1, 
0, 0, 0, 0
+       mfspr   r10,SPRN_HSRR1
+       andis.  r10,r10,(HSRR1_DENORM)@h /* denorm? */
+       bne+    denorm_assist
+       INT_VIRT_SAVE_SRR_AND_JUMP denorm_common, EXC_HV
 EXC_VIRT_END(denorm_exception, 0x5500, 0x100)
 #else
 EXC_VIRT_NONE(0x5500, 0x100)
-- 
2.22.0

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