Re: [PATCH] x86: Add portable getcpu call

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> > So this means that the contents of getcpu_cache will look completely
> > different if a process runs in 32bit mode or 64bit mode. Even if you're
> > saying "user programs should not..." this looks odd to me.
> > Is this really on purpose and do you really think that no user space
> > application will ever rely on the format of getcpu_cache?
> 
> The vsyscalls do, but if anything else does it deserves breaking.
> In the user headers it will also be just a array blob.

Ah, ok. The blob thing is the part I missed then.

> I was considering to xor it with a random value to bring the point across
> more strongly, but then didn't do it. Do you think I should? 

No, I don't think that will help much.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux