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

From: David Brown
Date: Fri Jun 01 2012 - 14:42:30 EST


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

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