Messages in this thread | ![/](/images/icornerl.gif) | | Date | Thu, 9 Jan 2003 15:42:11 -0500 | From | Jeff Garzik <> | Subject | Re: [PATCH] PATCH: IPMI driver |
| |
On Thu, Jan 09, 2003 at 08:17:57PM +0000, Alan Cox wrote: > On Thu, 2003-01-09 at 19:20, Dave Jones wrote: > > time_diff = ((jiffies_now - kcs_info->last_timeout_jiffies) > > Thats valid for unsigned maths > 0x00000001 - 0xFFFFFFFF = 0x00000002
Just as a general note (not to Alan), this often appears in ethernet drivers, in their RX and TX producer/consumer ring counters... so don't be surprised if you see this logic elsewhere in the kernel, too.
Jeff
- 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/
| ![\](/images/icornerr.gif) |