Re: [PATCH 0/2] Clean up x86_32 stackprotector

2020-10-06 Thread Peter Zijlstra
On Mon, Oct 05, 2020 at 07:10:39PM -0400, Brian Gerst wrote: > On Mon, Oct 5, 2020 at 3:30 PM Andy Lutomirski wrote: > > > > x86_32 stackprotector is a maintenance nightmare. Clean it up. This > > disables stackprotector on x86_32 on GCC 8.1 and on all clang > > versions -- I'll file a bug for t

Re: [PATCH 0/2] Clean up x86_32 stackprotector

2020-10-05 Thread Brian Gerst
On Mon, Oct 5, 2020 at 3:30 PM Andy Lutomirski wrote: > > x86_32 stackprotector is a maintenance nightmare. Clean it up. This > disables stackprotector on x86_32 on GCC 8.1 and on all clang > versions -- I'll file a bug for the latter. This should be doable on 64-bit too. All that would need t

[PATCH 0/2] Clean up x86_32 stackprotector

2020-10-05 Thread Andy Lutomirski
x86_32 stackprotector is a maintenance nightmare. Clean it up. This disables stackprotector on x86_32 on GCC 8.1 and on all clang versions -- I'll file a bug for the latter. Andy Lutomirski (2): x86/stackprotector/32: Make the canary into a regular percpu variable x86/entry/32: Remove leftov