On 08/27, taoyue wrote:
>
> Oleg Nesterov wrote:
> >On 08/24, Sukadev Bhattiprolu wrote:
> >
> I know, using current->sighand->siglock to prevent one sigqueue
> is free twice. I want to know whether it is possible that the two
> function is called in different thread. If
Oleg Nesterov wrote:
On 08/24, Sukadev Bhattiprolu wrote:
Oleg Nesterov wrote:
On 08/24, taoyue wrote:
Oleg Nesterov wrote:
collect_signal: sigqueue_free:
list_del_init(>list);
Oleg Nesterov wrote:
On 08/24, Sukadev Bhattiprolu wrote:
Oleg Nesterov wrote:
On 08/24, taoyue wrote:
Oleg Nesterov wrote:
collect_signal: sigqueue_free:
list_del_init(first-list);
On 08/27, taoyue wrote:
Oleg Nesterov wrote:
On 08/24, Sukadev Bhattiprolu wrote:
I know, using current-sighand-siglock to prevent one sigqueue
is free twice. I want to know whether it is possible that the two
function is called in different thread. If that, the spin_lock is
On 08/25, Sukadev Bhattiprolu wrote:
>
> Yes. I see it now. I had missed the SIGQUEUE_PREALLOC in __sigqueue_free().
Thanks for looking at this. This code looks simple, but it is not obvious, at
least for me.
Oleg.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
Oleg Nesterov wrote:
On 08/24, Sukadev Bhattiprolu wrote:
Oleg Nesterov wrote:
On 08/24, taoyue wrote:
Oleg Nesterov wrote:
collect_signal: sigqueue_free:
list_del_init(>list);
Oleg Nesterov wrote:
On 08/24, Sukadev Bhattiprolu wrote:
Oleg Nesterov wrote:
On 08/24, taoyue wrote:
Oleg Nesterov wrote:
collect_signal: sigqueue_free:
list_del_init(first-list);
On 08/25, Sukadev Bhattiprolu wrote:
Yes. I see it now. I had missed the SIGQUEUE_PREALLOC in __sigqueue_free().
Thanks for looking at this. This code looks simple, but it is not obvious, at
least for me.
Oleg.
-
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the
On 08/24, Sukadev Bhattiprolu wrote:
>
> Oleg Nesterov wrote:
> >On 08/24, taoyue wrote:
> >
> >>Oleg Nesterov wrote:
> >>
> collect_signal: sigqueue_free:
>
> list_del_init(>list);
> spin_lock_irqsave(lock,
Oleg Nesterov wrote:
On 08/24, taoyue wrote:
Oleg Nesterov wrote:
collect_signal: sigqueue_free:
list_del_init(>list);
spin_lock_irqsave(lock, flags);
On 08/24, taoyue wrote:
>
> Oleg Nesterov wrote:
> >>
> >>collect_signal: sigqueue_free:
> >>
> >>list_del_init(>list);
> >> spin_lock_irqsave(lock, flags);
> >>
> >
Oleg Nesterov wrote:
On 08/24, taoyue wrote:
Oleg Nesterov wrote:
--- t/kernel/signal.c~SQFREE2007-08-22 20:06:31.0 +0400
+++ t/kernel/signal.c 2007-08-23 16:02:57.0 +0400
@@ -1297,20 +1297,19 @@ struct sigqueue *sigqueue_alloc(void)
void sigqueue_free(struct
On 08/24, taoyue wrote:
>
> Oleg Nesterov wrote:
> >
> >--- t/kernel/signal.c~SQFREE 2007-08-22 20:06:31.0 +0400
> >+++ t/kernel/signal.c2007-08-23 16:02:57.0 +0400
> >@@ -1297,20 +1297,19 @@ struct sigqueue *sigqueue_alloc(void)
> > void sigqueue_free(struct sigqueue *q)
>
On 08/24, taoyue wrote:
Oleg Nesterov wrote:
--- t/kernel/signal.c~SQFREE 2007-08-22 20:06:31.0 +0400
+++ t/kernel/signal.c2007-08-23 16:02:57.0 +0400
@@ -1297,20 +1297,19 @@ struct sigqueue *sigqueue_alloc(void)
void sigqueue_free(struct sigqueue *q)
{
Oleg Nesterov wrote:
On 08/24, taoyue wrote:
Oleg Nesterov wrote:
--- t/kernel/signal.c~SQFREE2007-08-22 20:06:31.0 +0400
+++ t/kernel/signal.c 2007-08-23 16:02:57.0 +0400
@@ -1297,20 +1297,19 @@ struct sigqueue *sigqueue_alloc(void)
void sigqueue_free(struct
On 08/24, taoyue wrote:
Oleg Nesterov wrote:
collect_signal: sigqueue_free:
list_del_init(first-list);
spin_lock_irqsave(lock, flags);
^^
Oleg Nesterov wrote:
On 08/24, taoyue wrote:
Oleg Nesterov wrote:
collect_signal: sigqueue_free:
list_del_init(first-list);
spin_lock_irqsave(lock, flags);
On 08/24, Sukadev Bhattiprolu wrote:
Oleg Nesterov wrote:
On 08/24, taoyue wrote:
Oleg Nesterov wrote:
collect_signal: sigqueue_free:
list_del_init(first-list);
spin_lock_irqsave(lock, flags);
Oleg Nesterov wrote:
Spotted by taoyue <[EMAIL PROTECTED]> and Jeremy Katz <[EMAIL PROTECTED]>.
collect_signal: sigqueue_free:
list_del_init(>list);
if (!list_empty(>list)) {
On 08/23, Sukadev Bhattiprolu wrote:
>
> Oleg Nesterov wrote:
> >Spotted by taoyue <[EMAIL PROTECTED]> and Jeremy Katz
> ><[EMAIL PROTECTED]>.
> >
> >collect_signal: sigqueue_free:
> >
> > list_del_init(>list);
> > if
Oleg Nesterov wrote:
Spotted by taoyue <[EMAIL PROTECTED]> and Jeremy Katz <[EMAIL PROTECTED]>.
collect_signal: sigqueue_free:
list_del_init(>list);
if (!list_empty(>list)) {
Oleg Nesterov wrote:
Spotted by taoyue [EMAIL PROTECTED] and Jeremy Katz [EMAIL PROTECTED].
collect_signal: sigqueue_free:
list_del_init(first-list);
if (!list_empty(q-list)) {
On 08/23, Sukadev Bhattiprolu wrote:
Oleg Nesterov wrote:
Spotted by taoyue [EMAIL PROTECTED] and Jeremy Katz
[EMAIL PROTECTED].
collect_signal: sigqueue_free:
list_del_init(first-list);
if
Oleg Nesterov wrote:
Spotted by taoyue [EMAIL PROTECTED] and Jeremy Katz [EMAIL PROTECTED].
collect_signal: sigqueue_free:
list_del_init(first-list);
if (!list_empty(q-list)) {
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