On Fri, Apr 13, 2018 at 01:42:14PM -0700, Alexei Starovoitov wrote: > On 4/13/18 11:19 AM, Peter Zijlstra wrote: > > On Tue, Apr 10, 2018 at 02:28:04PM -0700, Alexei Starovoitov wrote: > > > Instead of > > > #ifdef CC_HAVE_ASM_GOTO > > > we can replace it with > > > #ifndef __BPF__ > > > or some other name, > > > > I would prefer the BPF specific hack; otherwise we might be encouraging > > people to build the kernel proper without asm-goto. > > > > I don't understand this concern.
The thing is; this will be a (temporary) BPF specific hack. Hiding it behind something that looks 'normal' (CC_HAVE_ASM_GOTO) is just not right.
