| Date | Wed, 22 Mar 2023 15:45:45 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2 09/11] static_call: Make NULL static calls consistent |
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On Tue, Mar 21, 2023 at 09:00:15PM -0700, Josh Poimboeuf wrote: > + * or using static_call_update() with a NULL function pointer. In both cases > + * the HAVE_STATIC_CALL implementation will patch the trampoline with a RET > +* instruction, instead of an immediate tail-call JMP. HAVE_STATIC_CALL_INLINE > +* architectures can patch the trampoline call to a NOP. > * > * In all cases, any argument evaluation is unconditional. Unlike a regular > * conditional function pointer call:
you wrecked the indent there ;-)
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