Messages in this thread | | | Date | Sat, 25 Apr 2020 14:15:49 -0500 | From | Segher Boessenkool <> | Subject | Re: [PATCH] x86: Fix early boot crash on gcc-10, next try |
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On Sat, Apr 25, 2020 at 08:53:13PM +0200, Borislav Petkov wrote: > On Sat, Apr 25, 2020 at 01:37:01PM -0500, Segher Boessenkool wrote: > > That is a lot more typing then > > asm(""); > > That's why a macro with a hopefully more descriptive name would be > telling more than a mere asm("").
My point is that you should explain at *every use* of this why you cannot have tail calls *there*. This is very unusual, after all.
There are *very* few places where you want to prevent tail calls, that's why there is no attribute for it.
Segher
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