Messages in this thread | | | Date | Tue, 25 Jan 2022 19:49:57 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH] objtool: prefer memory clobber & %= to volatile & __COUNTER__ |
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On Mon, Jan 24, 2022 at 03:38:38PM -0800, Nick Desaulniers wrote: > $ wget https://download.01.org/0day-ci/archive/20220119/202201190702.XNSXrMTK-lkp@intel.com/config > -O .config > $ make -j72 -s olddefconfig drivers/net/wireless/mac80211_hwsim.o > drivers/net/wireless/mac80211_hwsim.o: warning: objtool: > mac80211_hwsim_tx()+0x9aa: unreachable instruction > $ gcc --version > gcc (Debian 11.2.0-12) 11.2.0
Yap, I got mine with:
gcc (Debian 10.2.1-6) 10.2.1 20210110
but since you hit it with gcc11, I don't see why I won't hit it with gcc10.
> :(
You said it.
> Let me see if I can come up with a reduced test case that I will > report upstream to https://gcc.gnu.org/bugzilla/.
Sounds good.
Please send the bug # once you have that so that I can add myself to Cc.
Thx.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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