Commit 637285e7 authored Jul 14, 2022 by Peter Zijlstra Committed by Richard Weinberger Jul 17, 2022

um: Add missing apply_returns()



Implement apply_returns() stub for UM, just like all the other patching
routines.

Fixes: 15e67227 ("x86: Undo return-thunk damage")
Reported-by: Randy Dunlap <rdunlap@infradead.org)>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Richard Weinberger <richard@nod.at>

parent dda520d0

arch/um/kernel/um_arch.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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)
		{
		}