* [PATCH] x86/reboot: Remove dead code after machine_real_restart()
@ 2026-11-02 6:24 Noah Burchell
0 siblings, 0 replies; only message in thread
From: Noah Burchell @ 2026-11-02 6:24 UTC (permalink / raw)
To: Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen, x86
Cc: H . Peter Anvin, linux-kernel, Noah Burchell
machine_real_restart() is __noreturn and ends in unreachable(), so the
reboot_type assignment and the break after it in the BOOT_BIOS case can
never execute.
Remove them. No functional change.
Signed-off-by: Noah Burchell <noah@nburch.org>
---
arch/x86/kernel/reboot.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 0fed6d0d7..28f938a3b 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -635,10 +635,6 @@ static void native_machine_emergency_restart(void)
case BOOT_BIOS:
machine_real_restart(MRR_BIOS);
- /* We're probably dead after this, but... */
- reboot_type = BOOT_CF9_SAFE;
- break;
-
case BOOT_CF9_FORCE:
port_cf9_safe = true;
fallthrough;
--
2.56.0
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2026-11-02 6:24 [PATCH] x86/reboot: Remove dead code after machine_real_restart() Noah Burchell
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