The patch titled
futex: pass nr_wake2 to futex_wake_op
has been removed from the -mm tree. Its filename was
futex-pass-nr_wake2-to-futex_wake_op.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: futex: pass nr_wake2 to futex_wake_op
From: Andreas Schwab <schwab@xxxxxxx>
The fourth argument of sys_futex is ignored when op == FUTEX_WAKE_OP,
but futex_wake_op expects it as its nr_wake2 parameter.
The only user of this operation in glibc is always passing 1, so this
bug had no consequences so far.
Signed-off-by: Andreas Schwab <schwab@xxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Ulrich Drepper <drepper@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/futex.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN kernel/futex.c~futex-pass-nr_wake2-to-futex_wake_op kernel/futex.c
--- a/kernel/futex.c~futex-pass-nr_wake2-to-futex_wake_op
+++ a/kernel/futex.c
@@ -2060,8 +2060,10 @@ asmlinkage long sys_futex(u32 __user *ua
}
/*
* requeue parameter in 'utime' if cmd == FUTEX_REQUEUE.
+ * number of waiters to wake in 'utime' if cmd == FUTEX_WAKE_OP.
*/
- if (cmd == FUTEX_REQUEUE || cmd == FUTEX_CMP_REQUEUE)
+ if (cmd == FUTEX_REQUEUE || cmd == FUTEX_CMP_REQUEUE ||
+ cmd == FUTEX_WAKE_OP)
val2 = (u32) (unsigned long) utime;
return do_futex(uaddr, op, val, tp, uaddr2, val2, val3);
_
Patches currently in -mm which might be from schwab@xxxxxxx are
origin.patch
-
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