diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2023-08-08 15:04:02 -0700 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2023-08-09 11:58:27 -0700 |
| commit | 5a3a46bd161d76f117b030ece0eb0de0dfe3ba59 (patch) | |
| tree | b930b5184acd96afcc6d89320809192bb5caac5a /arch/x86/kernel/apic/apic_common.c | |
| parent | 9d87f5b67e100f253aed995a31fedff2983b7639 (diff) | |
x86/apic: Mop up apic::apic_id_registered()
Really not a hotpath and again no reason for having a gazillion of empty
callbacks returning 1. Make it return bool and provide one shared
implementation for the remaining users.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Tested-by: Juergen Gross <jgross@suse.com> # Xen PV (dom0 and unpriv. guest)
Diffstat (limited to 'arch/x86/kernel/apic/apic_common.c')
| -rw-r--r-- | arch/x86/kernel/apic/apic_common.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/apic_common.c b/arch/x86/kernel/apic/apic_common.c index d55fdb33b8e5..bbb5d5a6c820 100644 --- a/arch/x86/kernel/apic/apic_common.c +++ b/arch/x86/kernel/apic/apic_common.c @@ -42,6 +42,11 @@ int default_apic_id_valid(u32 apicid) return (apicid < 255); } +bool default_apic_id_registered(void) +{ + return physid_isset(read_apic_id(), phys_cpu_present_map); +} + /* * Set up the logical destination ID when the APIC operates in logical * destination mode. |