On Tue, 2014-01-07 at 10:55 +0800, Linus Torvalds wrote:
> On Mon, Jan 6, 2014 at 9:38 AM, Davidlohr Bueso wrote:
> > {
> > int lock_taken, ret, force_take = 0;
> > - u32 uval, newval, curval, vpid = task_pid_vnr(task);
> > + u32 uval, newval, uninitialized_var(curval), vpid
On Mon, Jan 6, 2014 at 9:38 AM, Davidlohr Bueso wrote:
> {
> int lock_taken, ret, force_take = 0;
> - u32 uval, newval, curval, vpid = task_pid_vnr(task);
> + u32 uval, newval, uninitialized_var(curval), vpid =
> task_pid_vnr(task);
Do you have some broken compiler? I
On Sun, 2014-01-05 at 17:38 -0800, Davidlohr Bueso wrote:
> From: Davidlohr Bueso
>
> Callers of cmpxchg_futex_value_locked() can trigger the following:
>
> kernel/futex.c: In function ‘futex_lock_pi_atomic’:
> kernel/futex.c:725: warning: ‘curval’ may be used uninitialized in this
> function
On Sun, 2014-01-05 at 17:38 -0800, Davidlohr Bueso wrote:
From: Davidlohr Bueso davidl...@hp.com
Callers of cmpxchg_futex_value_locked() can trigger the following:
kernel/futex.c: In function ‘futex_lock_pi_atomic’:
kernel/futex.c:725: warning: ‘curval’ may be used uninitialized in this
On Mon, Jan 6, 2014 at 9:38 AM, Davidlohr Bueso davidl...@hp.com wrote:
{
int lock_taken, ret, force_take = 0;
- u32 uval, newval, curval, vpid = task_pid_vnr(task);
+ u32 uval, newval, uninitialized_var(curval), vpid =
task_pid_vnr(task);
Do you have some broken
On Tue, 2014-01-07 at 10:55 +0800, Linus Torvalds wrote:
On Mon, Jan 6, 2014 at 9:38 AM, Davidlohr Bueso davidl...@hp.com wrote:
{
int lock_taken, ret, force_take = 0;
- u32 uval, newval, curval, vpid = task_pid_vnr(task);
+ u32 uval, newval,
From: Davidlohr Bueso
Callers of cmpxchg_futex_value_locked() can trigger the following:
kernel/futex.c: In function ‘futex_lock_pi_atomic’:
kernel/futex.c:725: warning: ‘curval’ may be used uninitialized in this function
This was initially addressed by commit 7cfdaf38, but others still
From: Davidlohr Bueso davidl...@hp.com
Callers of cmpxchg_futex_value_locked() can trigger the following:
kernel/futex.c: In function ‘futex_lock_pi_atomic’:
kernel/futex.c:725: warning: ‘curval’ may be used uninitialized in this function
This was initially addressed by commit 7cfdaf38, but
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