diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2022-03-08 16:30:34 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-03-15 10:32:38 +0100 |
| commit | 0aec21cfb51bc1856206f312d8c13bf1f368d78e (patch) | |
| tree | 27f8562227aea41fa3c75739c1dfe525df8c8261 /samples/ftrace/ftrace-direct-modify.c | |
| parent | 58912710558889629daae3e0824daacab663bd4a (diff) | |
x86/ibt,ftrace: Add ENDBR to samples/ftrace
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20220308154318.523421433@infradead.org
Diffstat (limited to 'samples/ftrace/ftrace-direct-modify.c')
| -rw-r--r-- | samples/ftrace/ftrace-direct-modify.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/samples/ftrace/ftrace-direct-modify.c b/samples/ftrace/ftrace-direct-modify.c index 2c7c31893551..39146fa83e20 100644 --- a/samples/ftrace/ftrace-direct-modify.c +++ b/samples/ftrace/ftrace-direct-modify.c @@ -24,20 +24,25 @@ static unsigned long my_ip = (unsigned long)schedule; #ifdef CONFIG_X86_64 +#include <asm/ibt.h> + asm ( " .pushsection .text, \"ax\", @progbits\n" " .type my_tramp1, @function\n" " .globl my_tramp1\n" " my_tramp1:" + ASM_ENDBR " pushq %rbp\n" " movq %rsp, %rbp\n" " call my_direct_func1\n" " leave\n" " .size my_tramp1, .-my_tramp1\n" ASM_RET + " .type my_tramp2, @function\n" " .globl my_tramp2\n" " my_tramp2:" + ASM_ENDBR " pushq %rbp\n" " movq %rsp, %rbp\n" " call my_direct_func2\n" |