4.9-stable review patch. If anyone has any objections, please let me know.
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From: zhenwei.pi zhenwei.pi@youruncloud.com
commit 98f0fceec7f84d80bc053e49e596088573086421 upstream.
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@youru... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- Documentation/x86/pti.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- 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