powerpc/mm: Blacklist SLB symbols from kprobe



We can't sensibly take a trap at this point. So, blacklist these
symbols.

Reported-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent e471c393

arch/powerpc/mm/slb_low.S

+8 −0

Original line number	Diff line number	Diff line
		@@ -272,3 +272,11 @@ slb_compare_rr_to_size:
		clrrdi r3,r3,SID_SHIFT_1T /* clear out non-ESID bits */
		b 7b


		_ASM_NOKPROBE_SYMBOL(slb_allocate_realmode)
		_ASM_NOKPROBE_SYMBOL(slb_miss_kernel_load_linear)
		_ASM_NOKPROBE_SYMBOL(slb_miss_kernel_load_io)
		_ASM_NOKPROBE_SYMBOL(slb_compare_rr_to_size)
		#ifdef CONFIG_SPARSEMEM_VMEMMAP
		_ASM_NOKPROBE_SYMBOL(slb_miss_kernel_load_vmemmap)
		#endif