Re: [Qemu-devel] [PATCH 0/4] exec: reintroduce MemoryRegion caching

2018-05-16 Thread Auger Eric
Hi Paolo, On 05/16/2018 03:38 PM, Auger Eric wrote: > Hi Paolo > > On 05/16/2018 12:42 PM, Paolo Bonzini wrote: >> On 16/05/2018 12:41, Auger Eric wrote: >>> This patch seems to cause a regression with ARM vsmmu + >>> virtio-blk-pci. Reverting it looks to fix the issue. Otherwise I >>> get: >>

Re: [Qemu-devel] [PATCH 0/4] exec: reintroduce MemoryRegion caching

2018-05-16 Thread Auger Eric
Hi Paolo On 05/16/2018 12:42 PM, Paolo Bonzini wrote: > On 16/05/2018 12:41, Auger Eric wrote: >> This patch seems to cause a regression with ARM vsmmu + >> virtio-blk-pci. Reverting it looks to fix the issue. Otherwise I >> get: > > What's the command line for a reproducer? > > Thanks, > >

Re: [Qemu-devel] [PATCH 0/4] exec: reintroduce MemoryRegion caching

2018-05-16 Thread Paolo Bonzini
On 16/05/2018 12:41, Auger Eric wrote: > This patch seems to cause a regression with ARM vsmmu + > virtio-blk-pci. Reverting it looks to fix the issue. Otherwise I > get: What's the command line for a reproducer? Thanks, Paolo

Re: [Qemu-devel] [PATCH 0/4] exec: reintroduce MemoryRegion caching

2018-05-16 Thread Auger Eric
Hi Paolo, On 04/17/2018 04:07 PM, Paolo Bonzini wrote: > MemoryRegionCache was reverted to "normal" address_space_* operations > for 2.9, due to lack of support for IOMMUs. This series reinstates > optimizations, caching only the IOMMU translation but not the IOMMU > lookup and target

[Qemu-devel] [PATCH 0/4] exec: reintroduce MemoryRegion caching

2018-04-17 Thread Paolo Bonzini
MemoryRegionCache was reverted to "normal" address_space_* operations for 2.9, due to lack of support for IOMMUs. This series reinstates optimizations, caching only the IOMMU translation but not the IOMMU lookup and target AddressSpace translation. Patches 1 to 3 prepare by introducing a new