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Re: [Qemu-devel] [PATCH 0/3] pci: fix memory region lifecycle issues, do
Michael S. Tsirkin
Re: [Qemu-devel] [PATCH 0/3] pci: fix memory region lifecycle issues, document the rules
Mon, 16 Feb 2015 17:12:39 +0100
On Fri, Feb 13, 2015 at 03:57:08PM +0100, Paolo Bonzini wrote:
> While these patches were originally in "part 3" of the RCU patches,
> it turns out that the semantics they enforce are already important now
> (reported by Alex Williamson and Matthew Rosato), so here they are!
> Patch 1 fixes a MemoryRegion leak (and fixes it the right way, so that
> the new lifecycle rules are respected!).
> Patch 2 fixes a case where a memory region could be referenced (in
> an RCU callback) when it had no parent, similar to the s390 case.
> Patch 3 documents the MemoryRegion lifecycle rules now that (except for
> s390, which Matthew is going to fix soon) QEMU actually follows them.
> Please review and ACK. Michael, okay to apply the first two through the
> RCU tree?
Since you mention you have patches depending on these queued:
Acked-by: Michael S. Tsirkin <address@hidden>
> Paolo Bonzini (3):
> pcie: remove mmconfig memory leak and wrap mmconfig update with transaction
> pci: split shpc_cleanup and shpc_free
> docs: clarify memory region lifecycle
> docs/memory.txt | 74
> hw/pci-bridge/pci_bridge_dev.c | 14 +++++---
> hw/pci/pcie_host.c | 7 ++--
> hw/pci/shpc.c | 5 +++
> include/hw/pci/shpc.h | 1 +
> 5 files changed, 79 insertions(+), 22 deletions(-)