From: Jiang Liu <jiang.liu@linux.intel.com>
To: Bjorn Helgaas <bhelgaas@google.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Randy Dunlap <rdunlap@infradead.org>,
Yinghai Lu <yinghai@kernel.org>, Borislav Petkov <bp@alien8.de>,
Dimitri Sivanich <sivanich@sgi.com>,
x86@kernel.org, Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
David Cohen <david.a.cohen@linux.intel.com>,
Sander Eikelenboom <linux@eikelenboom.it>,
David Vrabel <david.vrabel@citrix.com>,
Andrew Morton <akpm@linux-foundation.org>,
Tony Luck <tony.luck@intel.com>, Joerg Roedel <joro@8bytes.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
linux-acpi@vger.kernel.org
Subject: [Patch Part2 v5 33/33] x86/irq: Avoid memory allocation in __assign_irq_vector()
Date: Tue, 14 Apr 2015 10:30:10 +0800 [thread overview]
Message-ID: <1428978610-28986-34-git-send-email-jiang.liu@linux.intel.com> (raw)
In-Reply-To: <1428978610-28986-1-git-send-email-jiang.liu@linux.intel.com>
Function __assign_irq_vector() is protected by vector_lock, so use
a global temporary cpu_mask to avoid allocating/freeing cpu_mask.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
---
arch/x86/kernel/apic/vector.c | 33 +++++++++++++++++----------------
1 file changed, 17 insertions(+), 16 deletions(-)
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index f5eb3999383f..4a04b25cdcdf 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -30,6 +30,7 @@ struct apic_chip_data {
struct irq_domain *x86_vector_domain;
static DEFINE_RAW_SPINLOCK(vector_lock);
+static cpumask_var_t vector_cpumask;
static struct irq_chip lapic_controller;
#ifdef CONFIG_X86_IO_APIC
static struct apic_chip_data *legacy_irq_data[NR_IRQS_LEGACY];
@@ -116,14 +117,10 @@ static int __assign_irq_vector(int irq, struct apic_chip_data *d,
static int current_vector = FIRST_EXTERNAL_VECTOR + VECTOR_OFFSET_START;
static int current_offset = VECTOR_OFFSET_START % 16;
int cpu, err;
- cpumask_var_t tmp_mask;
if (d->move_in_progress)
return -EBUSY;
- if (!alloc_cpumask_var(&tmp_mask, GFP_ATOMIC))
- return -ENOMEM;
-
/* Only try and allocate irqs on cpus that are present */
err = -ENOSPC;
cpumask_clear(d->old_domain);
@@ -131,21 +128,22 @@ static int __assign_irq_vector(int irq, struct apic_chip_data *d,
while (cpu < nr_cpu_ids) {
int new_cpu, vector, offset;
- apic->vector_allocation_domain(cpu, tmp_mask, mask);
+ apic->vector_allocation_domain(cpu, vector_cpumask, mask);
- if (cpumask_subset(tmp_mask, d->domain)) {
+ if (cpumask_subset(vector_cpumask, d->domain)) {
err = 0;
- if (cpumask_equal(tmp_mask, d->domain))
+ if (cpumask_equal(vector_cpumask, d->domain))
break;
/*
* New cpumask using the vector is a proper subset of
* the current in use mask. So cleanup the vector
* allocation for the members that are not used anymore.
*/
- cpumask_andnot(d->old_domain, d->domain, tmp_mask);
+ cpumask_andnot(d->old_domain, d->domain,
+ vector_cpumask);
d->move_in_progress =
cpumask_intersects(d->old_domain, cpu_online_mask);
- cpumask_and(d->domain, d->domain, tmp_mask);
+ cpumask_and(d->domain, d->domain, vector_cpumask);
break;
}
@@ -159,16 +157,18 @@ next:
}
if (unlikely(current_vector == vector)) {
- cpumask_or(d->old_domain, d->old_domain, tmp_mask);
- cpumask_andnot(tmp_mask, mask, d->old_domain);
- cpu = cpumask_first_and(tmp_mask, cpu_online_mask);
+ cpumask_or(d->old_domain, d->old_domain,
+ vector_cpumask);
+ cpumask_andnot(vector_cpumask, mask, d->old_domain);
+ cpu = cpumask_first_and(vector_cpumask,
+ cpu_online_mask);
continue;
}
if (test_bit(vector, used_vectors))
goto next;
- for_each_cpu_and(new_cpu, tmp_mask, cpu_online_mask) {
+ for_each_cpu_and(new_cpu, vector_cpumask, cpu_online_mask) {
if (per_cpu(vector_irq, new_cpu)[vector] >
VECTOR_UNDEFINED)
goto next;
@@ -181,14 +181,13 @@ next:
d->move_in_progress =
cpumask_intersects(d->old_domain, cpu_online_mask);
}
- for_each_cpu_and(new_cpu, tmp_mask, cpu_online_mask)
+ for_each_cpu_and(new_cpu, vector_cpumask, cpu_online_mask)
per_cpu(vector_irq, new_cpu)[vector] = irq;
d->cfg.vector = vector;
- cpumask_copy(d->domain, tmp_mask);
+ cpumask_copy(d->domain, vector_cpumask);
err = 0;
break;
}
- free_cpumask_var(tmp_mask);
if (!err) {
/* cache destination APIC IDs into cfg->dest_apicid */
@@ -397,6 +396,8 @@ int __init arch_early_irq_init(void)
arch_init_msi_domain(x86_vector_domain);
arch_init_htirq_domain(x86_vector_domain);
+ BUG_ON(!alloc_cpumask_var(&vector_cpumask, GFP_KERNEL));
+
return arch_early_ioapic_init();
}
--
1.7.10.4
next prev parent reply other threads:[~2015-04-14 2:35 UTC|newest]
Thread overview: 157+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-14 2:29 [Patch Part2 v5 00/33] Clean up obsoleted x86 interrupt manangement code and interfaces Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 01/33] x86/irq: Kill unused old IOAPIC irqdomain interfaces Jiang Liu
2015-04-24 15:54 ` [tip:x86/apic] x86/irq: Remove " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 02/33] x86/irq: Kill unused struct mp_pin_info Jiang Liu
2015-04-24 15:54 ` [tip:x86/apic] x86/irq: Remove " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 03/33] x86/irq: Kill x86_io_apic_ops.print_entries and related interfaces Jiang Liu
2015-04-24 15:55 ` [tip:x86/apic] x86/irq: Remove " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 04/33] x86/irq: Kill x86_io_apic_ops.setup_entry " Jiang Liu
2015-04-24 15:55 ` [tip:x86/apic] x86/irq: Remove " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 05/33] x86/irq: Kill x86_io_apic_ops.set_affinity " Jiang Liu
2015-04-24 15:55 ` [tip:x86/apic] x86/irq: Remove " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 06/33] x86/irq: Kill x86_io_apic_ops.eoi_ioapic_pin " Jiang Liu
2015-04-24 15:56 ` [tip:x86/apic] x86/irq: Remove " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 07/33] x86/irq: Kill GENERIC_IRQ_LEGACY_ALLOC_HWIRQ Jiang Liu
2015-04-24 15:56 ` [tip:x86/apic] x86/irq: Remove GENERIC_IRQ_LEGACY_ALLOC_HWIRQ tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 08/33] x86/irq: Clean up unused forward declarations in x86_init.h Jiang Liu
2015-04-24 15:56 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 09/33] irq_remapping: Clean up unsued code to support IOAPIC Jiang Liu
2015-04-24 15:56 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 10/33] irq_remapping/vt-d: Clean up unsued code Jiang Liu
2015-04-24 15:57 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 11/33] irq_remapping/amd: " Jiang Liu
2015-04-24 15:57 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 12/33] irq_remapping: Clean up unused interfaces Jiang Liu
2015-04-24 15:57 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 13/33] x86/irq: Kill irq_cfg.irq_remapped Jiang Liu
2015-04-24 15:58 ` [tip:x86/apic] x86/irq: Remove irq_cfg.irq_remapped tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 14/33] irq_remapping/vt-d: Move struct irq_2_iommu into intel_irq_remapping.c Jiang Liu
2015-04-24 15:58 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 15/33] irq_remapping/amd: Move struct irq_2_irte into amd_iommu.c Jiang Liu
2015-04-24 15:58 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 16/33] x86/irq: Move irq_cfg.irq_2_pin into io_apic.c Jiang Liu
2015-04-24 15:58 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 17/33] x86/irq: Kill struct io_apic_irq_attr Jiang Liu
2015-04-24 15:59 ` [tip:x86/apic] x86/irq: Remove " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 18/33] x86/irq: Kill x86_io_apic_ops.write and x86_io_apic_ops.modify Jiang Liu
2015-04-24 15:59 ` [tip:x86/apic] x86/irq: Remove " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 19/33] x86/irq: Clean up io_apic.h Jiang Liu
2015-04-24 16:00 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 20/33] x86/irq: Use cached IOAPIC entry instead of reading from hardware Jiang Liu
2015-04-24 16:00 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-14 2:29 ` [Patch Part2 v5 21/33] x86/irq: Remove sis apic bug workaround Jiang Liu
2015-04-24 16:00 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-04-14 2:29 ` [Patch Part2 v5 22/33] x86/irq: Kill unused alloc_irq_and_cfg_at() Jiang Liu
2015-04-24 16:00 ` [tip:x86/apic] x86/irq: Remove " tip-bot for Jiang Liu
2015-04-14 2:30 ` [Patch Part2 v5 23/33] x86/irq: Change functions only used in vector.c as static Jiang Liu
2015-04-24 16:01 ` [tip:x86/apic] x86/irq: Make functions only used in vector.c static tip-bot for Jiang Liu
2015-04-14 2:30 ` [Patch Part2 v5 24/33] x86/irq: Kill function apic_set_affinity() Jiang Liu
2015-04-24 16:01 ` [tip:x86/apic] x86/irq: Remove " tip-bot for Jiang Liu
2015-04-14 2:30 ` [Patch Part2 v5 25/33] x86/irq: Move check of cfg->move_in_progress into send_cleanup_vector() Jiang Liu
2015-04-24 16:01 ` [tip:x86/apic] x86/irq: Move check of cfg-> move_in_progress " tip-bot for Jiang Liu
2015-04-14 2:30 ` [Patch Part2 v5 26/33] x86/irq: Move private data in struct irq_cfg into dedicated data structure Jiang Liu
2015-04-14 2:30 ` [Patch Part2 v5 27/33] x86/irq: Refine the way to calculate NR_IRQS Jiang Liu
2015-04-24 16:02 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-14 2:30 ` [Patch Part2 v5 28/33] x86/irq, ACPI: Kill private function mp_register_gsi()/ mp_unregister_gsi() Jiang Liu
2015-04-24 16:02 ` [tip:x86/apic] x86/irq, ACPI: Remove " tip-bot for Jiang Liu
2015-04-14 2:30 ` [Patch Part2 v5 29/33] x86, ioapic: Use proper defines for the entry fields Jiang Liu
2015-04-24 16:02 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-04-14 2:30 ` [Patch Part2 v5 30/33] x86,ioapic: Cleanup irq_trigger/polarity() Jiang Liu
2015-04-24 16:03 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-04-14 2:30 ` [Patch Part2 v5 31/33] x86: Cleanup irq_domain ops Jiang Liu
2015-04-24 16:03 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-04-14 2:30 ` [Patch Part2 v5 32/33] x86/irq: Move irqdomain specific code into asm/irqdomain.h Jiang Liu
2015-04-24 16:03 ` [tip:x86/apic] x86/irq: Move irqdomain specific code into asm/ irqdomain.h tip-bot for Jiang Liu
2015-04-14 2:30 ` Jiang Liu [this message]
2015-04-24 16:04 ` [tip:x86/apic] x86/irq: Avoid memory allocation in __assign_irq_vector() tip-bot for Jiang Liu
-- strict thread matches above, loose matches on Subject: below --
2014-11-25 7:49 [Patch Part3 v4 00/38] Enable hierarchy irqdomian on x86 platforms Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 01/38] x86, intel-mid: Delay initialization of APB timer Jiang Liu
2014-11-26 23:12 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2014-11-25 7:49 ` [Patch Part3 v4 02/38] x86, intel-mid, trivial: Refine code syntax for sfi_parse_mtmr() Jiang Liu
2014-11-26 23:13 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 03/38] x86, irq: Kill unused pre_init_apic_IRQ0() Jiang Liu
2014-11-26 23:13 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 04/38] x86, irq: Prepare IOAPIC interfaces to support hierarchy irqdomain Jiang Liu
2014-11-26 23:13 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 05/38] x86, irq: Implement callbacks to enable hierarchy irqdomain on IOAPICs Jiang Liu
2014-11-26 23:13 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 06/38] x86, irq: Refine the way to allocate irq_cfg for legacy IRQs Jiang Liu
2014-11-26 23:14 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 07/38] x86, irq: Simplify the way to print IOAPIC entry Jiang Liu
2014-11-26 23:14 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 08/38] x86, irq: Introduce helper functions to support hierarchy irqdomain for IOAPIC Jiang Liu
2014-11-26 23:14 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 09/38] x86, irq: Convert IOAPIC to use hierarchy irqdomain interfaces Jiang Liu
2014-11-26 23:14 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 10/38] x86, irq: Kill unused old IOAPIC " Jiang Liu
2014-11-26 23:15 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 11/38] x86, irq: Kill unused struct mp_pin_info Jiang Liu
2014-11-26 23:15 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 12/38] x86, irq: Kill x86_io_apic_ops.print_entries and related interfaces Jiang Liu
2014-11-26 23:15 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 13/38] x86, irq: Kill x86_io_apic_ops.setup_entry " Jiang Liu
2014-11-26 23:16 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 14/38] x86, irq: Kill x86_io_apic_ops.set_affinity " Jiang Liu
2014-11-26 23:16 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 15/38] x86, irq: Kill x86_io_apic_ops.eoi_ioapic_pin " Jiang Liu
2014-11-26 23:16 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 16/38] x86, irq: Kill GENERIC_IRQ_LEGACY_ALLOC_HWIRQ Jiang Liu
2014-11-26 23:16 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 17/38] x86: Clean up unused forward declarations in x86_init.h Jiang Liu
2014-11-26 23:17 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 18/38] x86: irq_remapping: Clean up unsued code Jiang Liu
2014-11-26 23:17 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-12-02 0:21 ` [Patch Part3 v4 18/38] " Bjorn Helgaas
2014-11-25 7:49 ` [Patch Part3 v4 19/38] iommu/vt-d: " Jiang Liu
2014-11-26 23:17 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 20/38] iommu/amd: " Jiang Liu
2014-11-26 23:17 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 21/38] x86: irq_remapping: Clean up unused interfaces Jiang Liu
2014-11-26 23:18 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 22/38] x86, irq: Kill irq_cfg.irq_remapped Jiang Liu
2014-11-26 23:18 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 23/38] iommu/vt-d: Move struct irq_2_iommu into intel_irq_remapping.c Jiang Liu
2014-11-26 23:18 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 24/38] iommu/amd: Move struct irq_2_irte into amd_iommu.c Jiang Liu
2014-11-26 23:18 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 25/38] x86, irq: Move irq_cfg.irq_2_pin into io_apic.c Jiang Liu
2014-11-26 23:19 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 26/38] x86, irq: Kill struct io_apic_irq_attr Jiang Liu
2014-11-26 23:19 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 27/38] x86, irq: Kill x86_io_apic_ops.write and x86_io_apic_ops.modify Jiang Liu
2014-11-26 23:19 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 28/38] x86, irq: Clean up io_apic.h Jiang Liu
2014-11-26 23:19 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 29/38] x86, irq: Use cached IOAPIC entry instead of reading from hardware Jiang Liu
2014-11-26 23:20 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-27 19:32 ` Borislav Petkov
2014-11-28 2:31 ` Jiang Liu
2014-11-28 11:33 ` Borislav Petkov
2014-11-28 11:53 ` Borislav Petkov
2014-11-28 15:40 ` Jiang Liu
2014-11-28 16:07 ` Jiang Liu
2014-11-28 16:46 ` Borislav Petkov
2014-11-28 21:12 ` [tip:x86/apic] x86, ioapic: Repair io_apic_set_affinity tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 30/38] x86, irq: Kill unused alloc_irq_and_cfg_at() Jiang Liu
2014-11-26 23:20 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 31/38] x86, irq: Change functions only used in vector.c as static Jiang Liu
2014-11-26 23:20 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 32/38] x86, irq: Kill function apic_set_affinity() Jiang Liu
2014-11-26 23:21 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 33/38] x86, irq: Move check of cfg->move_in_progress into send_cleanup_vector() Jiang Liu
2014-11-26 23:21 ` [tip:x86/apic] x86, irq: Move check of cfg-> move_in_progress " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 34/38] x86, irq: Move private data in struct irq_cfg into dedicated data structure Jiang Liu
2014-11-26 23:21 ` [tip:x86/apic] " tip-bot for Jiang Liu
2015-04-24 16:02 ` [tip:x86/apic] x86/irq: " tip-bot for Jiang Liu
2014-11-25 7:49 ` [Patch Part3 v4 35/38] x86, irq: Refine the way to calculate NR_IRQS Jiang Liu
2014-11-26 23:21 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:50 ` [Patch Part3 v4 36/38] ACPI, irq, x86: Kill private function mp_register_gsi()/ mp_unregister_gsi() Jiang Liu
2014-11-26 23:22 ` [tip:x86/apic] " tip-bot for Jiang Liu
2014-11-25 7:50 ` [Patch Part3 v4 37/38] x86, irq: Introduce mechanism to support different vector allocation policies Jiang Liu
2014-11-27 10:44 ` Thomas Gleixner
2014-11-27 16:22 ` Jiang Liu
2014-11-25 7:50 ` [Patch Part3 v4 38/38] x86, irq: Add kernel parameter vector_alloc to set CPU vector allocation policy Jiang Liu
2014-12-01 18:49 ` Bjorn Helgaas
2014-12-01 19:15 ` Daniel J Blueman
2014-12-01 23:45 ` Jiang Liu
2014-12-01 23:47 ` Bjorn Helgaas
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