x86: Convert unreachable() to BUG()

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[ Upstream commit 2190966fbc ]

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
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Peter Zijlstra 2024-11-28 10:39:02 +01:00 • committed by Greg Kroah-Hartman

parent e5ff8d825d

commit 910d55f7d6

3 changed files with 3 additions and 3 deletions

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arch/x86/kernel/process.c

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arch/x86/kernel/reboot.c

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2

arch/x86/kvm/svm/sev.c

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