----- On May 5, 2020, at 9:44 AM, Thomas Gleixner [email protected] wrote:
[...] > +.macro idtentry vector asmsym cfunc has_error_code:req sane=0 > +SYM_CODE_START(\asmsym) > + ASM_CLAC > + cld Looking at the various interrupt and trap entry points for 32 and 64-bit x86, I notice a lack of consistency in use of the following instruction sequence at the asm entry point: - ASM_CLAC, - cld (clear direction flag). Are they always needed, or only for interrupt handlers ? Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
