Re: ioctl number change / backwards compatibility doubt

2022-03-16 Thread Greg KH
On Sat, Mar 12, 2022 at 01:05:46PM +1300, Paulo Miguel Almeida wrote: > On Mon, Jan 24, 2022 at 07:20:45AM +0100, Greg KH wrote: > > On Mon, Jan 24, 2022 at 05:49:06PM +1300, Paulo Miguel Almeida wrote: > > > On Sun, Jan 23, 2022 at 12:04:48PM +0100, Greg KH wrote: > > > > > > when you told me to

RE: arm64 cache policy setting

2022-03-16 Thread Chan Kim
Hello, JeongHwan, I'm relatively new to arm64 but there is MAIR (memory attribute indirection register) which contains bytes holding cacheability, shareability and protection information and the actual page table contains the 'index' for the byte in this MAIR. For example in linux-5.10-0 which

[PATCH] dogs -

2022-03-16 Thread Jim Cromie
In an attempt to solve frictions in: https://lore.kernel.org/lkml/20220311044756.425777-3-jim.cro...@gmail.com/ And inspired by https://lwn.net/Articles/383362/ defines DOGS macro - an initialization expression, ie list of breeds, each contained by C, an inner macro, undefd when DOGS is defined.