Re: [PATCH 05/20] hexagon: Do not call do_signal() with irqsdisabled

From: Richard Kuo
Date: Fri Jun 01 2012 - 15:01:35 EST


On Fri, Jun 01, 2012 at 11:42:12AM -0700, David Brown wrote:
> On Fri, Jun 01, 2012 at 12:54:59PM -0500, Richard Kuo wrote:
> > On Sat, May 26, 2012 at 12:04:21AM +0200, Richard Weinberger wrote:
> > > get_signal_to_deliver() calls try_to_freeze() which might sleep.
> > >
> > > Cc: Richard Kuo <rkuo@xxxxxxxxxxxxxx>
> > > Cc: linux-hexagon@xxxxxxxxxxxxxxx
> > > Signed-off-by: Richard Weinberger <richard@xxxxxx>
> > > ---
> > > arch/hexagon/kernel/signal.c | 3 +++
> > > 1 files changed, 3 insertions(+), 0 deletions(-)
> > >
> > > diff --git a/arch/hexagon/kernel/signal.c b/arch/hexagon/kernel/signal.c
> > > index 434866e..8403bfd 100644
> > > --- a/arch/hexagon/kernel/signal.c
> > > +++ b/arch/hexagon/kernel/signal.c
> > > @@ -22,6 +22,7 @@
> > > #include <linux/syscalls.h>
> > > #include <linux/freezer.h>
> > > #include <linux/tracehook.h>
> > > +#include <linux/irqflags.h>
> > > #include <asm/registers.h>
> > > #include <asm/thread_info.h>
> > > #include <asm/unistd.h>
> > > @@ -267,6 +268,8 @@ no_restart:
> > >
> > > void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags)
> > > {
> > > + local_irq_enable();
> > > +
> > > if (thread_info_flags & _TIF_SIGPENDING)
> > > do_signal(regs);
> > >
> > > --
> > > 1.7.7.3
> >
> > Signed-off-by: Richard Kuo <rkuo@xxxxxxxxxxxxxx>
>
> Did you mean Acked-by? Replying to an email with a Signed-off-by
> doesn't mean anything. If you're pulling the patch into your own
> tree, add the SoB at that point. If you want to reply that you've
> accepted a patch, just say so in English.
>
> David

Doh, sorry, I really meant Acked-by. Thanks for catching that.


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