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| 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-too.c | |
| parent | x86/ibt,bpf: Add ENDBR instructions to prologue and trampoline (diff) | |
| download | linux-0aec21cfb51bc1856206f312d8c13bf1f368d78e.tar.xz linux-0aec21cfb51bc1856206f312d8c13bf1f368d78e.zip | |
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-too.c')
| -rw-r--r-- | samples/ftrace/ftrace-direct-too.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/samples/ftrace/ftrace-direct-too.c b/samples/ftrace/ftrace-direct-too.c index c93fb0e95173..6690468c5cc2 100644 --- a/samples/ftrace/ftrace-direct-too.c +++ b/samples/ftrace/ftrace-direct-too.c @@ -19,11 +19,14 @@ extern void my_tramp(void *); #ifdef CONFIG_X86_64 +#include <asm/ibt.h> + asm ( " .pushsection .text, \"ax\", @progbits\n" " .type my_tramp, @function\n" " .globl my_tramp\n" " my_tramp:" + ASM_ENDBR " pushq %rbp\n" " movq %rsp, %rbp\n" " pushq %rdi\n" |