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Commit 98f0fcee authored by zhenwei.pi's avatar zhenwei.pi Committed by Thomas Gleixner
Browse files

x86/pti: Document fix wrong index 



In section <2. Runtime Cost>, fix wrong index.

Signed-off-by: default avatarzhenwei.pi <zhenwei.pi@youruncloud.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: dave.hansen@linux.intel.com
Link: https://lkml.kernel.org/r/1516237492-27739-1-git-send-email-zhenwei.pi@youruncloud.com
parent c86a32c0

Documentation/x86/pti.txt

+1 −1
Original line number Diff line number Diff line
@@ -78,7 +78,7 @@ this protection comes at a cost: 
     non-PTI SYSCALL entry code, so requires mapping fewer

     things into the userspace page tables.  The downside is

     that stacks must be switched at entry time.

  d. Global pages are disabled for all kernel structures not

  c. Global pages are disabled for all kernel structures not

     mapped into both kernel and userspace page tables.  This

     feature of the MMU allows different processes to share TLB

     entries mapping the kernel.  Losing the feature means more