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Commit cd8d78e4 authored by zhenwei.pi's avatar zhenwei.pi Committed by Greg Kroah-Hartman
Browse files

x86/pti: Document fix wrong index 



commit 98f0fceec7f84d80bc053e49e596088573086421 upstream.

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


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4fb8368b

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