Messages in this thread Patch in this message | | | Date | Fri, 19 Jan 2018 07:48:40 -0800 | From | "tip-bot for zhenwei.pi" <> | Subject | [tip:x86/pti] x86/pti: Document fix wrong index |
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Commit-ID: 98f0fceec7f84d80bc053e49e596088573086421 Gitweb: https://git.kernel.org/tip/98f0fceec7f84d80bc053e49e596088573086421 Author: zhenwei.pi <zhenwei.pi@youruncloud.com> AuthorDate: Thu, 18 Jan 2018 09:04:52 +0800 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Fri, 19 Jan 2018 16:31:29 +0100
x86/pti: Document fix wrong index
In section <2. Runtime Cost>, fix wrong index.
Signed-off-by: zhenwei.pi <zhenwei.pi@youruncloud.com> Signed-off-by: Thomas 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
--- Documentation/x86/pti.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/x86/pti.txt b/Documentation/x86/pti.txt index d11eff6..5cd5843 100644 --- a/Documentation/x86/pti.txt +++ b/Documentation/x86/pti.txt @@ -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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