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authorAndrea Righi <righi.andrea@gmail.com>2018-12-10 16:12:57 +0100
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>2018-12-17 16:27:59 +0100
commitbf9445a33ae6ac2f0822d2f1ce1365408387d568 (patch)
tree5b5a2fec808b72e8c430271310b825c8e7a77d32
parentKVM: x86: Allow Qemu/KVM to use PVH entry point (diff)
downloadlinux-bf9445a33ae6ac2f0822d2f1ce1365408387d568.tar.xz
linux-bf9445a33ae6ac2f0822d2f1ce1365408387d568.zip
kprobes/x86/xen: blacklist non-attachable xen interrupt functions
Blacklist symbols in Xen probe-prohibited areas, so that user can see these prohibited symbols in debugfs. See also: a50480cb6d61. Signed-off-by: Andrea Righi <righi.andrea@gmail.com> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
-rw-r--r--arch/x86/xen/xen-asm_64.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S
index bb1c2da0381d..1e9ef0ba30a5 100644
--- a/arch/x86/xen/xen-asm_64.S
+++ b/arch/x86/xen/xen-asm_64.S
@@ -12,6 +12,7 @@
#include <asm/segment.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
+#include <asm/asm.h>
#include <xen/interface/xen.h>
@@ -24,6 +25,7 @@ ENTRY(xen_\name)
pop %r11
jmp \name
END(xen_\name)
+_ASM_NOKPROBE(xen_\name)
.endm
xen_pv_trap divide_error