On Thu, Dec 13, 2018 at 11:01:38PM +0530, Amit Daniel Kachhap wrote: > On Fri, Nov 30, 2018 at 9:53 PM Torsten Duwe <duwe@xxxxxx> wrote: > > Hi Torsten, > > I was testing your patch and it seems to work fine for function trace. However > function graph trace seems broken. Is it work in progress ? or I am > missing something. What did you base your tests on, you didn't specify? OTOH neither did I ;-) I precluded all addressees had the full picture. Precisely, I basically start with 4.19, but 4.20-rc shouldn't make a difference. BUT... > > [Changes from v4] > > > > * include Ard's feedback and pending changes: > > - ADR/ADRP veneers > > - ftrace_trampolines[2] > > - add a .req for fp, just in case " [PATCH 1/2] arm64/insn: add support for emitting ADR/ADRP instructions " <20181122084646.3247-2-ard.biesheuvel@xxxxxxxxxx> et.al, esp: Git-commit: bdb85cd1d20669dfae813555dddb745ad09323ba > > - comment on the pt_regs.stackframe[2] mapping > > * include Mark's ftrace cleanup > > - GLOBAL() > > - prepare_ftrace_return(pc, &lr, fp) > > " [PATCH 1/6] linkage: add generic GLOBAL() macro " <20181115224203.24847-2-mark.rutland@xxxxxxx> et.al., esp: Git-commit: 7dc48bf96aa0fc8aa5b38cc3e5c36ac03171e680 change the API this patch set relies on. AFAIU they are on their way into mainline so I updated v5 accordingly. If you don't have these, just use v4; the other changes are only for compatibility and cosmetics. HTH, Torsten