powerpc/64s/exception: remove 0xb00 handler

This vector is not used by any supported processor, and has been
implemented as an unknown exception going back to 2.6. There is
nothing special about 0xb00, so remove it like other unused
vectors.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190802105709.27696-22-npiggin@gmail.com

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 4b685d894ba128c03ffe81ac3e817fd6df67d056..d9c953e419bf82c34a2336744e2362b470ecdfc6 100644 (file)
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1564,10 +1564,8 @@ EXC_COMMON_ASYNC(doorbell_super_common, 0xa00, unknown_exception)
 #endif
 
 
-EXC_REAL(trap_0b, 0xb00, 0x100)
-EXC_VIRT(trap_0b, 0x4b00, 0x100, 0xb00)
-TRAMP_KVM(PACA_EXGEN, 0xb00)
-EXC_COMMON(trap_0b_common, 0xb00, unknown_exception)
+EXC_REAL_NONE(0xb00, 0x100)
+EXC_VIRT_NONE(0x4b00, 0x100)
 
 /*
  * system call / hypercall (0xc00, 0x4c00)