Paul, On Wed, 19 Sep 2018, Paul Menzel wrote: > > With Linux 4.19-rc4+ and `CONFIG_DEBUG_WX=y`, I see the message below on > the ASRock E350M1. > > > [ 1.813378] Freeing unused kernel image memory: 1112K > > [ 1.818662] Write protecting the kernel text: 8708k > > [ 1.818987] Write protecting the kernel read-only data: 2864k > > [ 1.818989] NX-protecting the kernel data: 5628k > > [ 1.819265] ------------[ cut here ]------------ > > [ 1.819272] x86/mm: Found insecure W+X mapping at address > > (ptrval)/0xc00a0000 > > I do not notice any problems with the system, but maybe something can be done > to get rid of these. Can you please enable CONFIG_X86_PTDUMP and provide the output of the files in /sys/kernel/debug/page_tables/ ? Thanks, tglx
