Messages in this thread | | | Date | Wed, 6 May 2020 12:32:29 -0500 | From | Josh Poimboeuf <> | Subject | Re: [PATCH v4 00/18] Add static_call() |
| |
On Fri, May 01, 2020 at 10:28:49PM +0200, Peter Zijlstra wrote: > static_call(), is the idea of static_branch() applied to indirect function > calls. Remove a data load (indirection) by modifying the text. > > The inline implementation still relies on objtool to generate the > .static_call_sites section, mostly because this is a natural place for x86_64 > and works for both GCC and LLVM. Other architectures can pick other means > if/when they implement the inline patching. The out-of-line (aka. trampoline) > variant doesn't require this. > > Patches go on top of tip/objtool/core. > > Patches can also be found here: > > git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/static_call
So this branch has
45a5c99a226a ("x86/tlb: Move trace_tlb_flush() declaration")
but I didn't see it posted here. I guess you dropped it because it's no longer needed b/c we fixed those 'undefined references' a different way.
-- Josh
| |