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authorPeter Zijlstra <peterz@infradead.org>2022-07-14 12:20:19 +0200
committerBorislav Petkov <bp@suse.de>2022-07-14 13:40:21 +0200
commit564d998106397394b6aad260f219b882b3347e62 (patch)
tree5051808f23bc0cf3ba9262ddd62ed9458ec4c629 /arch
parentd16e0b26672066035439b2f49887f6576c4a3689 (diff)
um: Add missing apply_returns()
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
Diffstat (limited to 'arch')
-rw-r--r--arch/um/kernel/um_arch.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 0760e24f2eba..9838967d0b2f 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -432,6 +432,10 @@ 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)
{
}