[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH RFC v2 09/17] intel_iommu: vtd_slpt_level_shift chec
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH RFC v2 09/17] intel_iommu: vtd_slpt_level_shift check level |
Date: |
Tue, 3 Jan 2017 15:29:46 +0800 |
This helps in debugging incorrect level passed in.
Signed-off-by: Peter Xu <address@hidden>
---
hw/i386/intel_iommu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index f1118dd..abb9d2e 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -168,6 +168,7 @@ static gboolean vtd_hash_remove_by_domain(gpointer key,
gpointer value,
/* The shift of an addr for a certain level of paging structure */
static inline uint32_t vtd_slpt_level_shift(uint32_t level)
{
+ assert(level != 0);
return VTD_PAGE_SHIFT_4K + (level - 1) * VTD_SL_LEVEL_BITS;
}
--
2.7.4
- [Qemu-devel] [PATCH RFC v2 00/17] VT-d: vfio enablement and misc enhances, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 01/17] IOMMU: add option to enable VTD_CAP_CM to vIOMMU capility exposoed to guest, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 02/17] memory: handle alias for iommu notifier, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 04/17] intel_iommu: allocate new key when creating new address space, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 03/17] memory: handle alias in memory_region_is_iommu(), Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 05/17] intel_iommu: simplify irq region translation, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 06/17] intel_iommu: renaming gpa to iova where proper, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 07/17] intel_iommu: fix trace for inv desc handling, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 08/17] intel_iommu: fix trace for addr translation, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 09/17] intel_iommu: vtd_slpt_level_shift check level,
Peter Xu <=
- [Qemu-devel] [PATCH RFC v2 10/17] memory: add section range info for IOMMU notifier, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 11/17] memory: provide iommu_replay_all(), Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 13/17] memory: add MemoryRegionIOMMUOps.replay() callback, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 12/17] memory: introduce memory_region_notify_one(), Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 14/17] intel_iommu: provide its own replay() callback, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 15/17] intel_iommu: do replay when context invalidate, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 16/17] intel_iommu: allow dynamic switch of IOMMU region, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 17/17] intel_iommu: enable vfio devices, Peter Xu, 2017/01/03
- Re: [Qemu-devel] [PATCH RFC v2 00/17] VT-d: vfio enablement and misc enhances, no-reply, 2017/01/03
- Re: [Qemu-devel] [PATCH RFC v2 00/17] VT-d: vfio enablement and misc enhances, Michael S. Tsirkin, 2017/01/12