Messages in this thread | | | Date | Wed, 2 Jul 2014 21:04:16 +0400 | From | Cyrill Gorcunov <> | Subject | Re: [patch 3/4] timerfd: Implement timerfd_ioctl method to restore timerfd_ctx::ticks |
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On Wed, Jul 02, 2014 at 12:49:51PM -0400, Christopher Covington wrote: > > > > +#ifdef CONFIG_CHECKPOINT_RESTORE > > +static long timerfd_ioctl(struct file *file, unsigned int cmd, unsigned long arg) > > +{ > > + struct timerfd_ctx *ctx = file->private_data; > > + int ret = 0; > > + > > + switch (cmd) { > > + case TFD_IOC_SET_TICKS: { > > + u64 ticks; > > + > > + if (get_user(ticks, (u64 __user *)arg)) > > 64-bit get_user is currently unsupported on ARM, although it appears work is > ongoing [1]. > > 1. https://lkml.org/lkml/2014/6/17/260
Thanks for info, Christopher! What arm camp is using then, copy-from-user?
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