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Message-Id: <20191204175325.651022463@linuxfoundation.org>
Date: Wed, 4 Dec 2019 18:54:35 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Andrea Righi <righi.andrea@...il.com>,
Masami Hiramatsu <mhiramat@...nel.org>,
Boris Ostrovsky <boris.ostrovsky@...cle.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 063/209] kprobes/x86/xen: blacklist non-attachable xen interrupt functions
From: Andrea Righi <righi.andrea@...il.com>
[ Upstream commit bf9445a33ae6ac2f0822d2f1ce1365408387d568 ]
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@...il.com>
Acked-by: Masami Hiramatsu <mhiramat@...nel.org>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
arch/x86/xen/xen-asm_64.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S
index 3a6feed76dfc1..a93d8a7cef26c 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
--
2.20.1
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