Re: [PATCH 18/25] powerpc: check key protection for user page access
From: Balbir Singh <bsingharora@gmail.com>
Date: 2017-10-18 19:57:46
On Fri, 8 Sep 2017 15:45:06 -0700 Ram Pai [off-list ref] wrote:
Make sure that the kernel does not access user pages without checking their key-protection.
Why? This makes the routines AMR/thread specific? Looks like x86 does this as well, but these routines are used by GUP from the kernel. Balbir Singh.