Re: [PATCH 0/3] context_tracking: streamline code, avoid IRQ save/restore

[Paolo Bonzini]

On 28/10/2015 02:39, Paolo Bonzini wrote:
> The first two of these patches were posted last February, the last one
> is new.  Rik's old measurements were that it shaved around .3 microseconds
> on each iteration of his KVM benchmark.
> 
> I guess three days before the start of the merge window is not
> the best time to post patches.  However, I brought this series up at
> kernel summit yesterday, and Andy's cleanups actually makes it trivial
> to apply this to syscall entry.  So here it is, perhaps it's worth it.
> 
> Assuming it works, of course, because this is compile-tested only. :)

Heh, Andy said it doesn't. :)

However, we could still merge the first two patches for 4.4 since they
have been tested.  I can even take them myself if I get Acked-by.  The
third one will have to wait for 4.5.

Thanks,

Paolo
--
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/