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hv: fix integer violations

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- Fix the integer violations related to the following rules:
  1. The operands to shift operations (<<, >>) shall be unsigned
     integers.
  2. The operands to bit operations (&, |, ~) shall be unsigned
     integers.

- Replace 12U with CPU_PAGE_SHIFT when it is address shift case.

v1 -> v2:
 * use existed MACRO to get bus/slot/func values
 * update PCI_SLOT MACRO to make it more straightforward
 * remove the incorrect replacement of 12U with CPU_PAGE_SHIFT
   dmar_fault_msi_write

Tracked-On: #861
Signed-off-by: Shiqing Gao <shiqing.gao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Shiqing Gao
2018-11-06 08:41:54 +08:00
committed by lijinxia
parent 65a2613ab6
commit 366042cac2
10 changed files with 20 additions and 22 deletions
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2
hypervisor/arch/x86/vtd.c
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@@ -1037,7 +1037,7 @@ static int add_iommu_device(const struct iommu_domain *domain, uint16_t segment,
lower = dmar_set_bitslice(lower,
CTX_ENTRY_LOWER_SLPTPTR_MASK,
CTX_ENTRY_LOWER_SLPTPTR_POS,
domain->trans_table_ptr >> 12U);
domain->trans_table_ptr >> CPU_PAGE_SHIFT);
lower = dmar_set_bitslice(lower,
CTX_ENTRY_LOWER_P_MASK,
CTX_ENTRY_LOWER_P_POS,