Re: [PATCH] simplify update_times (avoid jiffies/jiffies_64 aliasing problem)

>>>>> On Thu, 02 Mar 2006 21:45:56 -0800 (PST), "David S. Miller" <[email protected]> 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
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• References:
  • Re: [PATCH] simplify update_times (avoid jiffies/jiffies_64 aliasing problem)
    • From: Andrew Morton <[email protected]>
  • Re: [PATCH] simplify update_times (avoid jiffies/jiffies_64 aliasing problem)
    • From: Atsushi Nemoto <[email protected]>
  • Re: [PATCH] simplify update_times (avoid jiffies/jiffies_64 aliasing problem)
    • From: "David S. Miller" <[email protected]>

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