From: Michael Ellerman Date: Mon, 13 Feb 2017 04:30:19 +0000 (+1100) Subject: powerpc/mm: Blacklist SLB symbols from kprobe X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a90e883d8b8fb07ddea4d9618ce58bf72bce7f00;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git 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 Signed-off-by: Naveen N. Rao Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S index 9beed92c1900..a85e06ea6c20 100644 --- a/arch/powerpc/mm/slb_low.S +++ b/arch/powerpc/mm/slb_low.S @@ -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