On Wed, 15 Apr 2020 14:57:09 +0000 (UTC), Christophe Leroy wrote: > On book3s/32, KUAP is an heavy process as it requires to > determine which segments are impacted and unlock/lock > each of them. > > And since the implementation of user_access_begin/end, it > is even worth for the time being because unlike __get_user(), > user_access_begin doesn't make difference between read and write > and unlocks access also for read allthought that's unneeded > on book3s/32. > > [...]
Applied to powerpc/next. [1/1] powerpc/uaccess: Don't set KUAP by default on book3s/32 https://git.kernel.org/powerpc/c/547e687b2981a115814962506068873d24983af7 cheers