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Commit 98f0fcee authored by zhenwei.pi's avatar zhenwei.pi Committed by Thomas Gleixner
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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
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......@@ -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
......
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