[PATCH 02/22] alpha/cpu: Make sure arch_cpu_idle_dead() doesn't return
From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: 2023-02-03 22:06:00
Also in:
linux-alpha, linux-arm-kernel, linux-mips, linux-sh, lkml, loongarch, sparclinux
Subsystem:
alpha port, the rest · Maintainers:
Richard Henderson, Matt Turner, Magnus Lindholm, Linus Torvalds
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. Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org> --- arch/alpha/kernel/process.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 4813172547b5..94938f856545 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c@@ -63,6 +63,7 @@ void arch_cpu_idle(void) void arch_cpu_idle_dead(void) { wtint(INT_MAX); + BUG(); } #endif /* ALPHA_WTINT */
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2.39.0