group.of.nepali.translators team mailing list archive

[Tim Gardner <tim.gardner@xxxxxxxxxxxxx>]

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Yakkety)
   Importance: Wishlist
     Assignee: Tim Gardner (timg-tpi)
       Status: Fix Released

** Changed in: linux (Ubuntu Xenial)
       Status: New => In Progress

** Changed in: linux (Ubuntu Xenial)
     Assignee: (unassigned) => Tim Gardner (timg-tpi)

** Changed in: linux (Ubuntu Yakkety)
       Status: Fix Released => In Progress

** Changed in: linux (Ubuntu Yakkety)
    Milestone: None => ubuntu-16.10

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https://bugs.launchpad.net/bugs/1499089

Title:
  Please enable kconfig X86_LEGACY_VM86 for i386

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Wily:
  Fix Released
Status in linux source package in Xenial:
  In Progress
Status in linux source package in Yakkety:
  In Progress

Bug description:
  In order for dosemu to reach maximum performance (a > 10x speedup) please enable kconfig X86_LEGACY_VM86 in the kernel. As of this commit http://www.spinics.net/lists/linux-tip-commits/msg30360.html
  the overzealous kconfig message that seemed to suggest that the vm86() syscall was a security hazard in itself has been revised to reflect reality. Also please note that even if this kconfig option is enabled the runtime default is still off as vm86 is only actually enabled if the sysctl vm.mmap_min_addr is set to 0. That said, allowing  vm.mmap_min_addr=0  is a known security risk and enabling the vm86() syscall to operate additionally would add little value to any potential attacker.

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