Commit 3a313883 authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
Browse files

powerpc/traps: add NOKPROBE_SYMBOL for sreset and mce 



These NMIs could fire any time including inside kprobe code, so
exclude them from kprobes.

Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-19-npiggin@gmail.com
parent e44370ab

arch/powerpc/kernel/traps.c

+2 −0
Original line number Diff line number Diff line
@@ -517,6 +517,7 @@ void system_reset_exception(struct pt_regs *regs) 


	/* What should we do here? We could issue a shutdown or hard reset. */

}

NOKPROBE_SYMBOL(system_reset_exception);



/*

 * I/O accesses can cause machine checks on powermacs.
@@ -843,6 +844,7 @@ void machine_check_exception(struct pt_regs *regs) 
bail:

	if (nmi) nmi_exit();

}

NOKPROBE_SYMBOL(machine_check_exception);



void SMIException(struct pt_regs *regs)

{