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[Qemu-devel] [Bug 1720969] Re: qemu/memory.c:206: pointless copies of la


From: Tristan Burgess
Subject: [Qemu-devel] [Bug 1720969] Re: qemu/memory.c:206: pointless copies of large structs ?
Date: Mon, 30 Jul 2018 18:47:40 -0000

Fix committed and sent upstream:
https://github.com/qemu/qemu/commit/73bb753d24a702b37913ce4b5ddb6dca40dab067

** Changed in: qemu
       Status: New => Fix Committed

** Changed in: qemu
     Assignee: (unassigned) => Tristan Burgess (tburgessdev)

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https://bugs.launchpad.net/bugs/1720969

Title:
  qemu/memory.c:206:  pointless copies of large structs ?

Status in QEMU:
  Fix Committed

Bug description:
  [qemu/memory.c:206]: (performance) Function parameter 'a' should be passed by 
reference.
  [qemu/memory.c:207]: (performance) Function parameter 'b' should be passed by 
reference.

  Source code is

  static bool memory_region_ioeventfd_equal(MemoryRegionIoeventfd a,
                                            MemoryRegionIoeventfd b)

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