The following commit has been merged into the objtool/core branch of tip: Commit-ID: 1b2442a835a0acc7d76ae2f48ca7a94f962b29c8 Gitweb: https://git.kernel.org/tip/1b2442a835a0acc7d76ae2f48ca7a94f962b29c8 Author: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> AuthorDate: Mon, 13 Feb 2023 23:05:39 -08:00 Committer: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> CommitterDate: Mon, 06 Mar 2023 15:34:05 -08:00 csky/cpu: Make sure arch_cpu_idle_dead() doesn't return arch_cpu_idle_dead() doesn't return. Make that more explicit with a BUG(). BUG() is preferable to unreachable() because BUG() is a more explicit failure mode and avoids undefined behavior like falling off the edge of the function into whatever code happens to be next. Acked-by: Guo Ren <guoren@xxxxxxxxxx> Link: https://lore.kernel.org/r/1e9ecc3d248e82973e80bc336fc9f97e3ba2708d.1676358308.git.jpoimboe@xxxxxxxxxx Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> --- arch/csky/kernel/smp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/csky/kernel/smp.c b/arch/csky/kernel/smp.c index b45d107..0ec20ef 100644 --- a/arch/csky/kernel/smp.c +++ b/arch/csky/kernel/smp.c @@ -317,5 +317,7 @@ void arch_cpu_idle_dead(void) "jmpi csky_start_secondary" : : "r" (secondary_stack)); + + BUG(); } #endif
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