Re: [v2 6/7] x86/traps: Fixup general protection faults caused by UMIP

2016-12-27 Thread Ricardo Neri
On Fri, 2016-12-23 at 18:11 -0800, Andy Lutomirski wrote: > On Fri, Dec 23, 2016 at 5:37 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 a

Re: [v2 6/7] x86/traps: Fixup general protection faults caused by UMIP

2016-12-23 Thread kbuild test robot
Hi Ricardo, [auto build test ERROR on tip/auto-latest] [also build test ERROR on next-20161223] [cannot apply to tip/x86/core v4.9] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Ricardo-Neri/x8

Re: [v2 6/7] x86/traps: Fixup general protection faults caused by UMIP

2016-12-23 Thread Andy Lutomirski
On Fri, Dec 23, 2016 at 5:37 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 cau

[v2 6/7] x86/traps: Fixup general protection faults caused by UMIP

2016-12-23 Thread Ricardo Neri
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 caused by any of the instructions protected by UMIP, fixup_umip_e