diff options
| author | Juergen Gross <jgross@suse.com> | 2022-11-25 07:32:48 +0100 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2023-02-13 06:53:19 +0100 |
| commit | f697cb00afa90b68748f246540270b5865c801ba (patch) | |
| tree | 4dbfd9a289999e5ff07267b85b57ff6f442c5420 | |
| parent | 336f560a8917fd60bcdb71b97263257611411453 (diff) | |
x86/xen: mark xen_pv_play_dead() as __noreturn
Mark xen_pv_play_dead() and related to that xen_cpu_bringup_again()
as "__noreturn".
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221125063248.30256-3-jgross@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
| -rw-r--r-- | arch/x86/xen/smp.h | 2 | ||||
| -rw-r--r-- | arch/x86/xen/smp_pv.c | 4 | ||||
| -rw-r--r-- | tools/objtool/check.c | 1 |
3 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/xen/smp.h b/arch/x86/xen/smp.h index 6e90a312067b..22fb982ff971 100644 --- a/arch/x86/xen/smp.h +++ b/arch/x86/xen/smp.h @@ -21,7 +21,7 @@ void xen_smp_send_reschedule(int cpu); void xen_smp_send_call_function_ipi(const struct cpumask *mask); void xen_smp_send_call_function_single_ipi(int cpu); -void xen_cpu_bringup_again(unsigned long stack); +void __noreturn xen_cpu_bringup_again(unsigned long stack); struct xen_common_irq { int irq; diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c index a97b0505a483..a9cf8c8fa074 100644 --- a/arch/x86/xen/smp_pv.c +++ b/arch/x86/xen/smp_pv.c @@ -381,7 +381,7 @@ static void xen_pv_cpu_die(unsigned int cpu) } } -static void xen_pv_play_dead(void) /* used only with HOTPLUG_CPU */ +static void __noreturn xen_pv_play_dead(void) /* used only with HOTPLUG_CPU */ { play_dead_common(); HYPERVISOR_vcpu_op(VCPUOP_down, xen_vcpu_nr(smp_processor_id()), NULL); @@ -400,7 +400,7 @@ static void xen_pv_cpu_die(unsigned int cpu) BUG(); } -static void xen_pv_play_dead(void) +static void __noreturn xen_pv_play_dead(void) { BUG(); } diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 4b7c8b33069e..68e87b45caef 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -186,6 +186,7 @@ static bool __dead_end_function(struct objtool_file *file, struct symbol *func, "snp_abort", "stop_this_cpu", "usercopy_abort", + "xen_cpu_bringup_again", "xen_start_kernel", }; |