Commit a50480cb authored by Andrea Righi's avatar Andrea Righi Committed by Ingo Molnar

kprobes/x86: Blacklist non-attachable interrupt functions

These interrupt functions are already non-attachable by kprobes.
Blacklist them explicitly so that they can show up in
/sys/kernel/debug/kprobes/blacklist and tools like BCC can use this
additional information.
Signed-off-by: default avatarAndrea Righi <righi.andrea@gmail.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yonghong Song <yhs@fb.com>
Link: http://lkml.kernel.org/r/20181206095648.GA8249@DellSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 43a1b0cb
......@@ -566,6 +566,7 @@ ENTRY(interrupt_entry)
ret
END(interrupt_entry)
_ASM_NOKPROBE(interrupt_entry)
/* Interrupt entry/exit. */
......@@ -766,6 +767,7 @@ native_irq_return_ldt:
jmp native_irq_return_iret
#endif
END(common_interrupt)
_ASM_NOKPROBE(common_interrupt)
/*
* APIC interrupts.
......@@ -780,6 +782,7 @@ ENTRY(\sym)
call \do_sym /* rdi points to pt_regs */
jmp ret_from_intr
END(\sym)
_ASM_NOKPROBE(\sym)
.endm
/* Make sure APIC interrupt handlers end up in the irqentry section: */
......@@ -960,6 +963,7 @@ ENTRY(\sym)
jmp error_exit
.endif
_ASM_NOKPROBE(\sym)
END(\sym)
.endm
......
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