Re: [PATCH RFC v2 25/29] mm: asi: Restricted execution fore bare-metal processes

2025-02-28 Thread Yosry Ahmed
(Trimming the CC list as my email server refuses the number of CCs) On Fri, Jan 10, 2025 at 06:40:51PM +, Brendan Jackman wrote: > Now userspace gets a restricted address space too. The critical section > begins on exit to userspace and ends when it makes a system call. > Other entries from us

Re: [PATCH v7 7/8] execmem: add support for cache of large ROX pages

2025-02-28 Thread Mike Rapoport
Hi Ryan, On Thu, Feb 27, 2025 at 11:13:29AM +, Ryan Roberts wrote: > Hi Mike, > > Drive by review comments below... > > > On 23/10/2024 17:27, Mike Rapoport wrote: > > From: "Mike Rapoport (Microsoft)" > > > > Using large pages to map text areas reduces iTLB pressure and improves > > perf

[PATCH] um/locking: Remove semicolon from "lock" prefix

2025-02-28 Thread Uros Bizjak
Minimum version of binutils required to compile the kernel is 2.25. This version correctly handles the "lock" prefix, so it is possible to remove the semicolon, which was used to support ancient versions of GNU as. Due to the semicolon, the compiler considers "lock; insn" as two separate instructi