diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.9.21/0087-kprobes-x86-Blacklist-indirect-thunk-functions-for-k.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.9.21/0087-kprobes-x86-Blacklist-indirect-thunk-functions-for-k.patch | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0087-kprobes-x86-Blacklist-indirect-thunk-functions-for-k.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0087-kprobes-x86-Blacklist-indirect-thunk-functions-for-k.patch deleted file mode 100644 index ff8c8dad..00000000 --- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0087-kprobes-x86-Blacklist-indirect-thunk-functions-for-k.patch +++ /dev/null @@ -1,43 +0,0 @@ -From 649c2099e7e0a5431b8541c7da5e83d863cb71cf Mon Sep 17 00:00:00 2001 -From: Masami Hiramatsu <mhiramat@kernel.org> -Date: Fri, 19 Jan 2018 01:14:51 +0900 -Subject: [PATCH 087/103] kprobes/x86: Blacklist indirect thunk functions for - kprobes - -commit c1804a236894ecc942da7dc6c5abe209e56cba93 upstream. - -Mark __x86_indirect_thunk_* functions as blacklist for kprobes -because those functions can be called from anywhere in the kernel -including blacklist functions of kprobes. - -Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> -Signed-off-by: Thomas Gleixner <tglx@linutronix.de> -Acked-by: David Woodhouse <dwmw@amazon.co.uk> -Cc: Andi Kleen <ak@linux.intel.com> -Cc: Peter Zijlstra <peterz@infradead.org> -Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com> -Cc: Arjan van de Ven <arjan@linux.intel.com> -Cc: Greg Kroah-Hartman <gregkh@linux-foundation.org> -Link: https://lkml.kernel.org/r/151629209111.10241.5444852823378068683.stgit@devbox -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/lib/retpoline.S | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - -diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S -index d3415dc..dfb2ba9 100644 ---- a/arch/x86/lib/retpoline.S -+++ b/arch/x86/lib/retpoline.S -@@ -25,7 +25,8 @@ ENDPROC(__x86_indirect_thunk_\reg) - * than one per register with the correct names. So we do it - * the simple and nasty way... - */ --#define EXPORT_THUNK(reg) EXPORT_SYMBOL(__x86_indirect_thunk_ ## reg) -+#define __EXPORT_THUNK(sym) _ASM_NOKPROBE(sym); EXPORT_SYMBOL(sym) -+#define EXPORT_THUNK(reg) __EXPORT_THUNK(__x86_indirect_thunk_ ## reg) - #define GENERATE_THUNK(reg) THUNK reg ; EXPORT_THUNK(reg) - - GENERATE_THUNK(_ASM_AX) --- -2.7.4 - |