Re: [v6 PATCH 19/21] x86/traps: Fixup general protection faults caused by UMIP

On Tue, Mar 7, 2017 at 4:32 PM, Ricardo Neri wrote: > If the User-Mode Instruction Prevention CPU feature is available and > enabled, a general protection fault will be issued if the instructions > sgdt, sldt, sidt, str or smsw are executed from user-mode

Re: [v6 PATCH 19/21] x86/traps: Fixup general protection faults caused by UMIP

On Tue, Mar 7, 2017 at 4:32 PM, Ricardo Neri wrote: > If the User-Mode Instruction Prevention CPU feature is available and > enabled, a general protection fault will be issued if the instructions > sgdt, sldt, sidt, str or smsw are executed from user-mode context > (CPL > 0). If the fault was