Messages in this thread | | | Date | Fri, 20 Apr 2018 10:19:36 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2] x86/cpufeature: guard asm_volatile_goto usage with NO_BPF_WORKAROUND |
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On Sat, Apr 14, 2018 at 09:27:38PM -0700, Yonghong Song wrote:
> This patch adds a preprocessor guard NO_BPF_WORKAROUND around the > asm_volatile_goto based static_cpu_has(). NO_BPF_WORKAROUND is set > at toplevel Makefile when compiler supports asm-goto. That is, > if the compiler supports asm-goto, the kernel build will use > asm-goto version of static_cpu_has().
Hurm, so adding __BPF__ for BPF compiles isn't an option? It seems to me having a CPP flag to identify BPF compile context might be useful in general.
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