diff options
| author | Jiang Liu <jiang.liu@linux.intel.com> | 2015-04-14 05:30:10 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-04-24 16:36:55 +0300 |
| commit | f7fa7aeeecb7a9abdd5f5d069a71ffb3e99a2a07 (patch) | |
| tree | cfdc9b18cdc63da678488b5e6008e40a06ff334b /drivers/iommu/intel_irq_remapping.c | |
| parent | d746d1ebd30c48562a3fb512ab18d5822f137820 (diff) | |
| download | linux-f7fa7aeeecb7a9abdd5f5d069a71ffb3e99a2a07.tar.xz | |
x86/irq: Avoid memory allocation in __assign_irq_vector()
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>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Link: http://lkml.kernel.org/r/1428978610-28986-34-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/iommu/intel_irq_remapping.c')
0 files changed, 0 insertions, 0 deletions