From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, Nadav Amit <namit@vmware.com>,
Ricardo Neri <ricardo.neri-calderon@linux.intel.com>,
Stephane Eranian <eranian@google.com>,
Feng Tang <feng.tang@intel.com>
Subject: [patch 13/18] x86/apic: Add NMI_VECTOR wait to IPI shorthand
Date: Wed, 03 Jul 2019 12:54:44 +0200 [thread overview]
Message-ID: <20190703105916.748980783@linutronix.de> (raw)
In-Reply-To: 20190703105431.096822793@linutronix.de
To support NMI shorthand broadcasts add the safe wait for ICR idle for NMI
vector delivery.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/apic/ipi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/arch/x86/kernel/apic/ipi.c
+++ b/arch/x86/kernel/apic/ipi.c
@@ -30,7 +30,10 @@ void __default_send_IPI_shortcut(unsigne
/*
* Wait for idle.
*/
- __xapic_wait_icr_idle();
+ if (unlikely(vector == NMI_VECTOR))
+ safe_apic_wait_icr_idle();
+ else
+ __xapic_wait_icr_idle();
/*
* No need to touch the target chip field. Also the destination
next prev parent reply other threads:[~2019-07-03 11:04 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-03 10:54 [patch 00/18] x86/apic: Support for IPI shorthands Thomas Gleixner
2019-07-03 10:54 ` [patch 01/18] x86/apic: Invoke perf_events_lapic_init() after enabling APIC Thomas Gleixner
2019-07-03 10:54 ` [patch 02/18] x86/apic: Soft disable APIC before initializing it Thomas Gleixner
2019-07-03 10:54 ` [patch 03/18] x86/apic: Make apic_pending_intr_clear() more robust Thomas Gleixner
2019-07-03 10:54 ` [patch 04/18] x86/apic: Move IPI inlines into ipi.c Thomas Gleixner
2019-07-03 10:54 ` [patch 05/18] x86/apic: Cleanup the include maze Thomas Gleixner
2019-07-03 10:54 ` [patch 06/18] x86/apic: Move ipi header into apic directory Thomas Gleixner
2019-07-03 10:54 ` [patch 07/18] x86/apic: Move apic_flat_64 " Thomas Gleixner
2019-07-03 10:54 ` [patch 08/18] x86/apic: Consolidate the apic local headers Thomas Gleixner
2019-07-03 10:54 ` [patch 09/18] smp/hotplug: Track booted once CPUs in a cpumask Thomas Gleixner
2019-07-03 10:54 ` [patch 10/18] x86/cpu: Move arch_smt_update() to a neutral place Thomas Gleixner
2019-07-03 10:54 ` [patch 11/18] x86/hotplug: Silence APIC and NMI when CPU is dead Thomas Gleixner
2019-07-03 10:54 ` [patch 12/18] x86/apic: Remove dest argument from __default_send_IPI_shortcut() Thomas Gleixner
2019-07-03 10:54 ` Thomas Gleixner [this message]
2019-07-03 10:54 ` [patch 14/18] x86/apic: Move no_ipi_broadcast() out of 32bit Thomas Gleixner
2019-07-03 10:54 ` [patch 15/18] x86/apic: Add static key to Control IPI shorthands Thomas Gleixner
2019-07-03 10:54 ` [patch 16/18] x86/apic: Convert 32bit to IPI shorthand static key Thomas Gleixner
2019-07-03 18:06 ` Nadav Amit
2019-07-03 20:34 ` Thomas Gleixner
2019-07-03 21:14 ` Nadav Amit
2019-07-03 21:30 ` Thomas Gleixner
2019-07-03 10:54 ` [patch 17/18] x86/apic/flat64: Add conditional IPI shorthands support Thomas Gleixner
2019-07-03 10:54 ` [patch 18/18] x86/apic/x2apic: " Thomas Gleixner
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