diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2017-09-13 23:29:37 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-09-25 20:51:56 +0200 |
| commit | 9f9e3bb1cf2ecba7697bfb5e350ad2648e69dbdf (patch) | |
| tree | 15cd5de24aef1fa44498aee33fe4ae76c5c751eb /arch/x86/kernel/apic/x2apic_uv_x.c | |
| parent | 99a1482d8aa105922dc4a3360ab11600f0bc9d80 (diff) | |
x86/apic: Add replacement for cpu_mask_to_apicid()
As preparation for replacing the vector allocator, provide a new function
which takes a cpu number instead of a cpu mask to calculate/lookup the
resulting APIC destination id.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Juergen Gross <jgross@suse.com>
Tested-by: Yu Chen <yu.c.chen@intel.com>
Acked-by: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Alok Kataria <akataria@vmware.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Rui Zhang <rui.zhang@intel.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Len Brown <lenb@kernel.org>
Diffstat (limited to 'arch/x86/kernel/apic/x2apic_uv_x.c')
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 9f6d551deeb4..99c3c039646d 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -537,6 +537,11 @@ uv_cpu_mask_to_apicid(const struct cpumask *mask, struct irq_data *irqdata, return ret; } +static u32 apic_uv_calc_apicid(unsigned int cpu) +{ + return apic_default_calc_apicid(cpu) | uv_apicid_hibits; +} + static unsigned int x2apic_get_apic_id(unsigned long x) { unsigned int id; @@ -602,6 +607,7 @@ static struct apic apic_x2apic_uv_x __ro_after_init = { .set_apic_id = set_apic_id, .cpu_mask_to_apicid = uv_cpu_mask_to_apicid, + .calc_dest_apicid = apic_uv_calc_apicid, .send_IPI = uv_send_IPI_one, .send_IPI_mask = uv_send_IPI_mask, |