Re: [PATCH] x86-64: Prevent gcc from optimizing away venosys_1()

[Ingo Molnar]

* Dave Anderson <anderson@xxxxxxxxxx> wrote:

> One of the changes in commit a4928cffe6435caf427ae673131a633c1329dbf3 
> made the venosys_1() system call static, which causes it to be 
> optimized out of the kernel:
> 
>   Author: Ingo Molnar <mingo@xxxxxxx>
>   Date:   Wed Apr 23 13:20:56 2008 +0200
> 
>   "make namespacecheck" fixes
> 
>   Signed-off-by: Ingo Molnar <mingo@xxxxxxx>

Andy noticed this recently, so we got rid of that broken (and unused) 
syscall in:

  bb5fe2f78ead: x86-64: Remove vsyscall number 3 (venosys)

which is in the tip:x86/vdso branch at:

   http://people.redhat.com/mingo/tip.git/README

Thanks,

	Ingo
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