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| author |   Jiang Liu <jiang.liu@linux.intel.com> | 2015-04-14 10:29:57 +0800 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2015-04-24 15:36:54 +0200 |
| commit | 0be275e3a5607b23f5132121bca22a10ee23aa99 (patch) | |
| tree | c32269b1eea1226fd260ae38ba2250a1d7e0fe85 /drivers/pci/quirks.c | |
| parent | x86/irq: Clean up io_apic.h (diff) | |
| download | linux-dev-0be275e3a5607b23f5132121bca22a10ee23aa99.tar.xz linux-dev-0be275e3a5607b23f5132121bca22a10ee23aa99.zip | |
x86/irq: Use cached IOAPIC entry instead of reading from hardware
Use cached IOAPIC entry instead of reading data from IOAPIC hardware
registers to improve performance.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Tested-by: Joerg Roedel <jroedel@suse.de>
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>
Cc: Grant Likely <grant.likely@linaro.org>
Link: http://lkml.kernel.org/r/1428978610-28986-21-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/pci/quirks.c')
0 files changed, 0 insertions, 0 deletions