* Josh Poimboeuf <jpoim...@redhat.com> wrote: > On Wed, Sep 21, 2016 at 04:03:58PM -0500, Josh Poimboeuf wrote: > > v2: > > - keep 'restore_all' label in "x86/entry/head/32: use local labels" > > > > --- > > > > Thanks to all the recent x86 entry code refactoring, most tasks' kernel > > stacks start at the same offset right below their saved pt_regs, > > regardless of which syscall was used to enter the kernel. That creates > > a nice convention which makes it straightforward to identify the end of > > the stack, which can be useful [*] for the unwinder. > > > > But there a few places where tasks don't yet follow the convention. > > This patch set finishes the job. > > > > [*] This will be useful for three upcoming proposed features: > > > > - Detecting corrupt stacks in the unwinder (which will also be a force > > for ensuring this end of stack convention continues to be followed in > > the future). > > > > - Printing all saved pt_regs on the stack during an oops/warning. > > > > - Validating stacks in the livepatch consistency model. > > Ping?
Missed this one: I expected more discussion but nobody replied so it went missing. Will have a look later this week! Thanks, Ingo