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Commit 07c09787 authored by Feng Wu's avatar Feng Wu Committed by Thomas Gleixner
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iommu, x86: Add cap_pi_support() to detect VT-d PI capability



Add helper function to detect VT-d Posted-Interrupts capability.

Signed-off-by: default avatarFeng Wu <feng.wu@intel.com>
Reviewed-by: default avatarJiang Liu <jiang.liu@linux.intel.com>
Reviewed-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
Acked-by: default avatarJoerg Roedel <joro@8bytes.org>
Cc: iommu@lists.linux-foundation.org
Cc: dwmw2@infradead.org
Link: http://lkml.kernel.org/r/1433827237-3382-8-git-send-email-feng.wu@intel.com


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent d75f152f
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