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authorYijing Wang <wangyijing@huawei.com>2014-09-17 13:32:19 +0400
committerJoerg Roedel <jroedel@suse.de>2014-09-25 21:11:47 +0400
commit5fc24d8cb9d43e0db335137051092da03a6845dc (patch)
treec476b207814a1409d74fffe7b0837ef372dc7f9a /firmware/vicam
parentfb3e306515ba6a012364b698b8ca71c337424ed3 (diff)
downloadlinux-5fc24d8cb9d43e0db335137051092da03a6845dc.tar.xz
iommu/irq_remapping: Fix the regression of hpet irq remapping
Commit 71054d8841b4 ("x86, hpet: Introduce x86_msi_ops.setup_hpet_msi") introduced x86_msi_ops.setup_hpet_msi to setup hpet MSI irq when irq remapping enabled. This caused a regression of hpet MSI irq remapping. Original code flow before commit 71054d8841b4: hpet_setup_msi_irq() arch_setup_hpet_msi() setup_hpet_msi_remapped() remap_ops->setup_hpet_msi() alloc_irte() msi_compose_msg() hpet_msi_write() ... Current code flow after commit 71054d8841b4: hpet_setup_msi_irq() x86_msi.setup_hpet_msi() setup_hpet_msi_remapped() intel_setup_hpet_msi() alloc_irte() Currently, we only call alloc_irte() for hpet MSI, but do not composed and wrote its msg... Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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