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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Tue, 12 Aug 2003 20:20:10 -0700 (PDT)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/ia64/ia64 trap.c
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marcel      2003/08/12 20:20:10 PDT

  FreeBSD src repository

  Modified files:
    sys/ia64/ia64        trap.c 
  Log:
  Don't use VM_MIN_KERNEL_ADDRESS to check if the faulting address is
  in user space or kernel space. VM_MIN_KERNEL_ADDRESS starts after the
  gateway page, which means that improper memory accesses to the gateway
  page while in user mode would panic the kernel. Use VM_MAX_ADDRESS
  instead. It ends before the gateway page. The difference between
  VM_MIN_KERNEL_ADDRESS and VM_MAX_ADDRESS is exactly the gateway page.
  
  Revision  Changes    Path
  1.88      +2 -2      src/sys/ia64/ia64/trap.c