Messages in this thread Patch in this message | | | Subject | [patch 1/1] schedule removal of FUTEX_FD | From | akpm@osdl ... | Date | Tue, 31 Oct 2006 15:09:48 -0800 |
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From: Andrew Morton <akpm@osdl.org>
Apparently FUTEX_FD is unfixably racy and nothing uses it (or if it does, it shouldn't).
Add a warning printk, give any remaining users six months to migrate off it.
Cc: Ulrich Drepper <drepper@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@osdl.org> ---
kernel/futex.c | 8 ++++++++ 1 files changed, 8 insertions(+)
diff -puN kernel/futex.c~schedule-removal-of-futex_fd kernel/futex.c --- a/kernel/futex.c~schedule-removal-of-futex_fd +++ a/kernel/futex.c @@ -1507,6 +1507,14 @@ static int futex_fd(u32 __user *uaddr, i struct futex_q *q; struct file *filp; int ret, err; + static int warn_count; + + if (warn_count < 10) { + printk(KERN_WARNING "Process `%s' used FUTEX_FD, which " + "will be removed from the kernel in June 2007\n", + current->comm); + warn_count++; + } ret = -EINVAL; if (!valid_signal(signal)) _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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