OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

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>
This commit is contained in:
Michael Ellerman 2017-02-13 15:30:19 +11:00
parent e471c393df
commit a90e883d8b
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/powerpc/mm/slb_low.S
View File

@ -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