Re: [PATCH] simplify update_times (avoid jiffies/jiffies_64aliasing problem)

From: Atsushi Nemoto
Date: Fri Mar 03 2006 - 11:24:38 EST


>>>>> On Thu, 02 Mar 2006 21:45:56 -0800 (PST), "David S. Miller" <davem@xxxxxxxxxxxxx> said:

>> I and Ralf talked a bit about the jiffies issue. Making an union
>> containing jiffies and jiffies_64 looks good to avoid such an
>> optimization problem, but it would affect so many existing codes.

davem> Maybe use an anonymous union? That might help...

Do you mean something like this:

union {
struct {
unsigned long pad;
unsigned long jiffies;
};
u64 jiffies_64;
};

Unfortunately a toplevel anonymous union looks not allowed...

---
Atsushi Nemoto
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/