Re: [PATCH v3 11/13] retpoline/taint: Taint kernel for missing retpoline in compiler

2018-01-04 Thread Justin Forbes
On Thu, Jan 4, 2018 at 8:37 AM, David Woodhouse wrote: > From: Andi Kleen > > When the kernel or a module hasn't been compiled with a retpoline > aware compiler, print a warning and set a taint flag. > > For modules it is checked at compile time, however it cannot > check assembler or other non c

[PATCH v3 11/13] retpoline/taint: Taint kernel for missing retpoline in compiler

2018-01-04 Thread David Woodhouse
From: Andi Kleen When the kernel or a module hasn't been compiled with a retpoline aware compiler, print a warning and set a taint flag. For modules it is checked at compile time, however it cannot check assembler or other non compiled objects used in the module link. Due to lack of better lett