Messages in this thread | | | Date | Mon, 15 Jan 2018 09:46:11 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2 06/19] asm-generic/barrier: mask speculative execution flows |
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On Fri, Jan 12, 2018 at 04:41:37PM -0800, Dan Williams wrote: > This certainly needs a Kconfig "depends on JUMP_LABEL" to turn on the > dynamic switching at all, and a HAVE_JUMP_LABEL compile time failure > if the compiler lacks support.
We're ready to drop all compilers that don't support asm-goto on the floor for x86. So don't over engineer it just to avoid that.
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