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| author |   Peter Zijlstra <peterz@infradead.org> | 2024-11-28 10:39:02 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2024-12-02 12:01:43 +0100 |
| commit | 2190966fbc14ca2cd4ea76eefeb96a47d8e390df (patch) | |
| tree | 563acbe5a6484f4a525fbf59434a07cb15eadd42 /arch/x86/kernel/process.c | |
| parent | unreachable: Unify (diff) | |
| download | linux-rng-2190966fbc14ca2cd4ea76eefeb96a47d8e390df.tar.xz linux-rng-2190966fbc14ca2cd4ea76eefeb96a47d8e390df.zip | |
x86: Convert unreachable() to BUG()
Avoid unreachable() as it can (and will in the absence of UBSAN)
generate fallthrough code. Use BUG() so we get a UD2 trap (with
unreachable annotation).
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lore.kernel.org/r/20241128094312.028316261@infradead.org
Diffstat (limited to 'arch/x86/kernel/process.c')
| -rw-r--r-- | arch/x86/kernel/process.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index f63f8fd00a91..15507e739c25 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -838,7 +838,7 @@ void __noreturn stop_this_cpu(void *dummy) #ifdef CONFIG_SMP if (smp_ops.stop_this_cpu) { smp_ops.stop_this_cpu(); - unreachable(); + BUG(); } #endif |