Messages in this thread | | | Date | Tue, 19 Mar 2013 15:51:05 +0100 | From | Clemens Ladisch <> | Subject | Re: [PATCH] hpet, allow user controlled mmap for user processes |
| |
Prarit Bhargava wrote: > On 03/19/2013 03:43 AM, Clemens Ladisch wrote: >> Prarit Bhargava wrote: >>> + int "Enable HPET MMAP access by default" >>> + default 0 >> >> This breaks backwards compatibility. > > Does backwards compatibility matter for something like? I have no problem > setting it to 1 but I'm more curious from a general kernel point of view.
When somebody updates from some old kernel where HPET mmap was explicitly enabled, this default value will now disable it. The default behaviour should always be to be compatible with older kernels.
Regards, Clemens
| |