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| author | Peter Zijlstra <peterz@infradead.org> | 2022-07-14 12:20:19 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-07-23 12:54:14 +0200 |
| commit | 06741ef8e7cced9729e8061778bc97df58cd4649 (patch) | |
| tree | e1a9f2e3b2819bd5c3495606821cd7adf92e8cdf | |
| parent | 320fc994f0c88d81dc684e346a7e115fa8364137 (diff) | |
| download | linux-rt-06741ef8e7cced9729e8061778bc97df58cd4649.tar.gz | |
um: Add missing apply_returns()
commit 564d998106397394b6aad260f219b882b3347e62 upstream.
Implement apply_returns() stub for UM, just like all the other patching
routines.
Fixes: 15e67227c49a ("x86: Undo return-thunk damage")
Reported-by: Randy Dunlap <rdunlap@infradead.org)
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/Ys%2Ft45l%2FgarIrD0u@worktop.programming.kicks-ass.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/um/kernel/um_arch.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index 54447690de11..5aa5e7533b75 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -425,6 +425,10 @@ void apply_retpolines(s32 *start, s32 *end) { } +void apply_returns(s32 *start, s32 *end) +{ +} + void apply_alternatives(struct alt_instr *start, struct alt_instr *end) { } |