Re: [PATCH 07/15] x86: Add int3_emulate_call() selftest

2019-06-11 Thread Peter Zijlstra
On Mon, Jun 10, 2019 at 09:57:58AM -0700, Andy Lutomirski wrote: > On Mon, Jun 10, 2019 at 9:53 AM Josh Poimboeuf wrote: > > > > On Wed, Jun 05, 2019 at 03:08:00PM +0200, Peter Zijlstra wrote: > > > Given that the entry_*.S changes for this functionality are somewhat > > > tricky, make sure the pa

Re: [PATCH 07/15] x86: Add int3_emulate_call() selftest

2019-06-10 Thread Andy Lutomirski
On Mon, Jun 10, 2019 at 9:53 AM Josh Poimboeuf wrote: > > On Wed, Jun 05, 2019 at 03:08:00PM +0200, Peter Zijlstra wrote: > > Given that the entry_*.S changes for this functionality are somewhat > > tricky, make sure the paths are tested every boot, instead of on the > > rare occasion when we trip

Re: [PATCH 07/15] x86: Add int3_emulate_call() selftest

2019-06-10 Thread Josh Poimboeuf
On Wed, Jun 05, 2019 at 03:08:00PM +0200, Peter Zijlstra wrote: > Given that the entry_*.S changes for this functionality are somewhat > tricky, make sure the paths are tested every boot, instead of on the > rare occasion when we trip an INT3 while rewriting text. > > Requested-by: Andy Lutomirski

[PATCH 07/15] x86: Add int3_emulate_call() selftest

2019-06-05 Thread Peter Zijlstra
Given that the entry_*.S changes for this functionality are somewhat tricky, make sure the paths are tested every boot, instead of on the rare occasion when we trip an INT3 while rewriting text. Requested-by: Andy Lutomirski Signed-off-by: Peter Zijlstra (Intel) --- arch/x86/kernel/alternative.