Re: [PATCH 16/23] sched: Use lightweight hazard pointers to grab lazy mms

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> On Jan 8, 2022, at 8:44 AM, Andy Lutomirski <luto@xxxxxxxxxx> wrote:
> 
> The purpose of mmgrab() and mmdrop() is to make "lazy tlb" mode safe.

Just wondering: In a world of ASID/PCID - does the “lazy TLB” really
have a worthy advantage?

Considering the fact that with PTI anyhow address spaces are switched
all the time, can’t we just get rid of it?






[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux