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| author |   Andrea Righi <righi.andrea@gmail.com> | 2018-12-06 10:56:48 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2018-12-06 16:52:03 +0100 |
| commit | a50480cb6d61d5c5fc13308479407b628b6bc1c5 (patch) | |
| tree | 06335ddee01aaa43e87dd7fccb24c734741c3601 | |
| parent | kprobes/x86: Fix instruction patching corruption when copying more than one RIP-relative instruction (diff) | |
| download | linux-dev-a50480cb6d61d5c5fc13308479407b628b6bc1c5.tar.xz linux-dev-a50480cb6d61d5c5fc13308479407b628b6bc1c5.zip | |
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: Andrea 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@Dell
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | arch/x86/entry/entry_64.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index ce25d84023c0..1f0efdb7b629 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -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 |