Re: [PATCH] mbcache: LLVMLinux: Remove double calculation from mbcache

[H. Peter Anvin]

On 04/29/2014 06:13 PM, H. Peter Anvin wrote:
> I suspect this will generate FP instructions on x86 which will corrupt user space state.  This is thus a critical bug!!

It looks like at least x86-64 gcc does the evaluation at compile time
and there aren't any fp instructions left in the code. However, it
should still be fixed.

	-hpa

--
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/