Re: [PATCH 0/1] (Was: [regression] boot failure on alpha, bisected)

2012-10-14 Thread Oleg Nesterov
On 10/14, Oleg Nesterov wrote: > > Again, this is fine. But why "else" ? It seems that > > if (thread_flags & _TIF_SIGPENDING) { > do_signal(regs, r0, r19); > r0 = 0; > } > >

Re: [PATCH 0/1] (Was: [regression] boot failure on alpha, bisected)

2012-10-14 Thread Oleg Nesterov
On 10/12, Al Viro wrote: > > On Fri, Oct 12, 2012 at 06:03:37PM +0200, Oleg Nesterov wrote: > > On 10/06, Thorsten Kranzkowski wrote: > > > > > > After upgrading from v3.5-rc7 to current git my system oopses and locks up > > > early in the boot sequence. > > > > OK, I am sending the patch which I a

Re: [PATCH 0/1] (Was: [regression] boot failure on alpha, bisected)

2012-10-12 Thread Al Viro
On Fri, Oct 12, 2012 at 06:03:37PM +0200, Oleg Nesterov wrote: > On 10/06, Thorsten Kranzkowski wrote: > > > > After upgrading from v3.5-rc7 to current git my system oopses and locks up > > early in the boot sequence. > > OK, I am sending the patch which I already showed. > > Perhaps we should on

[PATCH 0/1] (Was: [regression] boot failure on alpha, bisected)

2012-10-12 Thread Oleg Nesterov
On 10/06, Thorsten Kranzkowski wrote: > > After upgrading from v3.5-rc7 to current git my system oopses and locks up > early in the boot sequence. OK, I am sending the patch which I already showed. Perhaps we should only add the warning and local_irq_enable() should go into arch/alpha/kernel/sign

Re: [regression] boot failure on alpha, bisected

2012-10-08 Thread Oleg Nesterov
On 10/08, Geert Uytterhoeven wrote: > > Just wondering. As this is on an SMP system, perhaps the > read_barrier_depends() vs. smp_read_barrier_depends() matters > here? > http://lkml.indiana.edu/hypermail/linux/kernel/1209.3/00555.html Yes, thanks, I do remember about this ;) This will come as 2/

Re: [regression] boot failure on alpha, bisected

2012-10-08 Thread Geert Uytterhoeven
On Sun, Oct 7, 2012 at 9:16 PM, Oleg Nesterov wrote: > On 10/07, Thorsten Kranzkowski wrote: >> On Sun, Oct 07, 2012 at 07:13:00PM +0200, Oleg Nesterov wrote: >> > On 10/07, Oleg Nesterov wrote: >> > > Hmm. I know nothing about arch/alpha and I can't understand its entry.S. >> > > But _it seems_ t

Re: [regression] boot failure on alpha, bisected

2012-10-08 Thread Oleg Nesterov
On 10/07, Al Viro wrote: > > On Sun, Oct 07, 2012 at 07:33:36PM +0200, Oleg Nesterov wrote: > > > > Um... There's a bunch of architectures that are in the same situation. > > > grep for do_notify_resume() and you'll see... > > > > And every do_notify_resume() should be changed anyway, do_signal()

Re: [regression] boot failure on alpha, bisected

2012-10-08 Thread Dialup Jon Norstog
Hello! I'm an Alpha user - I just want to thank you all for working to keep Linux current on this architecture. I am still using the last working Alpha Core release ... I hope to keep the old beast running for many more years! Jon Norstog www.thursdaybicycles.com On Sun, 7 Oct 2012 20:39:09 +

Re: [regression] boot failure on alpha, bisected

2012-10-08 Thread Dialup Jon Norstog
Hello! I'm an Alpha user - I just want to thank you ll for working to keep Linux current on this architecture. I am still using the last working Alpha Core release ... I hope to keep the old beast running for many more years! Jon Norstog www.thursdaybicycles.com On Sun, 7 Oct 2012 20:39:09 +0

Re: [regression] boot failure on alpha, bisected

2012-10-07 Thread Thorsten Kranzkowski
On Sun, Oct 07, 2012 at 09:16:27PM +0200, Oleg Nesterov wrote: > On 10/07, Thorsten Kranzkowski wrote: > > On Sun, Oct 07, 2012 at 07:13:00PM +0200, Oleg Nesterov wrote: > > > On 10/07, Oleg Nesterov wrote: > > > > > > > > Hmm. I know nothing about arch/alpha and I can't understand its entry.S. > >

Re: [regression] boot failure on alpha, bisected

2012-10-07 Thread Al Viro
On Sun, Oct 07, 2012 at 07:33:36PM +0200, Oleg Nesterov wrote: > > Um... There's a bunch of architectures that are in the same situation. > > grep for do_notify_resume() and you'll see... > > And every do_notify_resume() should be changed anyway, do_signal() and > tracehook_notify_resume() shoul

Re: [regression] boot failure on alpha, bisected

2012-10-07 Thread Oleg Nesterov
On 10/07, Thorsten Kranzkowski wrote: > > On Sun, Oct 07, 2012 at 07:13:00PM +0200, Oleg Nesterov wrote: > > On 10/07, Oleg Nesterov wrote: > > > > > > Hmm. I know nothing about arch/alpha and I can't understand its entry.S. > > > But _it seems_ to me that do_notify_resume() is called with irqs dis

Re: [regression] boot failure on alpha, bisected

2012-10-07 Thread Thorsten Kranzkowski
On Sun, Oct 07, 2012 at 07:13:00PM +0200, Oleg Nesterov wrote: > On 10/07, Oleg Nesterov wrote: > > > > Hmm. I know nothing about arch/alpha and I can't understand its entry.S. > > But _it seems_ to me that do_notify_resume() is called with irqs disabled. > > If this is true, then imho arch/alpha s

Re: [regression] boot failure on alpha, bisected

2012-10-07 Thread Oleg Nesterov
On 10/07, Al Viro wrote: > > On Sun, Oct 07, 2012 at 06:55:34PM +0200, Oleg Nesterov wrote: > > > Hmm. I know nothing about arch/alpha and I can't understand its entry.S. > > But _it seems_ to me that do_notify_resume() is called with irqs disabled. > > If this is true, then imho arch/alpha should

Re: [regression] boot failure on alpha, bisected

2012-10-07 Thread Oleg Nesterov
On 10/07, Oleg Nesterov wrote: > > Hmm. I know nothing about arch/alpha and I can't understand its entry.S. > But _it seems_ to me that do_notify_resume() is called with irqs disabled. > If this is true, then imho arch/alpha should be fixed. > > Before this commit task_work_run() enabled irqs, but

Re: [regression] boot failure on alpha, bisected

2012-10-07 Thread Al Viro
On Sun, Oct 07, 2012 at 06:55:34PM +0200, Oleg Nesterov wrote: > Hmm. I know nothing about arch/alpha and I can't understand its entry.S. > But _it seems_ to me that do_notify_resume() is called with irqs disabled. > If this is true, then imho arch/alpha should be fixed. > > Before this commit ta