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SubjectRe: [PATCH 0/3] PTI for x86-32 Fixes and Updates
On 07/23/2018 02:59 PM, Josh Poimboeuf wrote:
> On Mon, Jul 23, 2018 at 11:38:30PM +0200, Pavel Machek wrote:
>> But for now I'd like at least "global" option of turning pti on/off
>> during runtime for benchmarking. Let me see...
>> Something like this, or is it going to be way more complex? Does
>> anyone have patch by chance?
> RHEL/CentOS has a global PTI enable/disable, which uses stop_machine().

Let's not forget PTI's NX-for-userspace in the kernel page tables. That
provides Spectre V2 mitigation as well as Meltdown.

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