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| author | zhenwei.pi <zhenwei.pi@youruncloud.com> | 2018-01-18 02:04:52 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-01-19 16:31:29 +0100 |
| commit | 98f0fceec7f84d80bc053e49e596088573086421 (patch) | |
| tree | e65fa4712df0f696818b881b724286a5f661a8c2 /Documentation | |
| parent | kprobes/x86: Disable optimizing on the function jumps to indirect thunk (diff) | |
| download | linux-98f0fceec7f84d80bc053e49e596088573086421.tar.xz linux-98f0fceec7f84d80bc053e49e596088573086421.zip | |
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
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/x86/pti.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/x86/pti.txt b/Documentation/x86/pti.txt index d11eff61fc9a..5cd58439ad2d 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 |