Re: [PATCH] x86, mce: Get rid of TIF_MCE_NOTIFY and associated mce tricks

2015-01-07 Thread Paul E. McKenney
On Wed, Jan 07, 2015 at 07:51:26AM -0800, Andy Lutomirski wrote: > On Wed, Jan 7, 2015 at 4:13 AM, Borislav Petkov wrote: > > On Tue, Jan 06, 2015 at 06:00:08PM +, Luck, Tony wrote: > >> That's fine with me. Boris ... any comments? > > > > Same here: > > > > Acked-by: Borislav Petkov > > > >

Re: [PATCH] x86, mce: Get rid of TIF_MCE_NOTIFY and associated mce tricks

2015-01-07 Thread Borislav Petkov
On Wed, Jan 07, 2015 at 07:51:26AM -0800, Andy Lutomirski wrote: > When does Paul usually send the rcu pull request? I can send these as > a pull request or an emailed series after that happens. I'd put a note in the pull request for tip guys to pull after Paul's pull req., for example. Thanks.

Re: [PATCH] x86, mce: Get rid of TIF_MCE_NOTIFY and associated mce tricks

2015-01-07 Thread Andy Lutomirski
On Wed, Jan 7, 2015 at 4:13 AM, Borislav Petkov wrote: > On Tue, Jan 06, 2015 at 06:00:08PM +, Luck, Tony wrote: >> That's fine with me. Boris ... any comments? > > Same here: > > Acked-by: Borislav Petkov > > I like negative diffstats: > > include/asm/mce.h |1 > include/asm/th

Re: [PATCH] x86, mce: Get rid of TIF_MCE_NOTIFY and associated mce tricks

2015-01-07 Thread Borislav Petkov
On Tue, Jan 06, 2015 at 06:00:08PM +, Luck, Tony wrote: > That's fine with me. Boris ... any comments? Same here: Acked-by: Borislav Petkov I like negative diffstats: include/asm/mce.h |1 include/asm/thread_info.h |4 - kernel/cpu/mcheck/mce.c | 109 ++

RE: [PATCH] x86, mce: Get rid of TIF_MCE_NOTIFY and associated mce tricks

2015-01-06 Thread Luck, Tony
> For the context-related bits: > > Reviewed-by: Andy Lutomirski Thanks. > Should I stick this in my -next branch so it can stew? That's fine with me. Boris ... any comments? -Tony

Re: [PATCH] x86, mce: Get rid of TIF_MCE_NOTIFY and associated mce tricks

2015-01-05 Thread Andy Lutomirski
On Mon, Jan 5, 2015 at 4:44 PM, Luck, Tony wrote: > We now switch to the kernel stack when a machine check interrupts > during user mode. This means that we can perform recovery actions > in the tail of do_machine_check() > > Signed-off-by: Tony Luck > > --- > On top of Andy's x86/paranoid branc