Messages in this thread | | | Date | Thu, 27 Apr 2023 21:35:17 -0700 | From | Josh Poimboeuf <> | Subject | Re: An objtool warning from mainline |
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On Thu, Apr 27, 2023 at 09:55:41AM -0700, Paul E. McKenney wrote: > On Thu, Apr 27, 2023 at 11:14:21AM +0200, Borislav Petkov wrote: > > On Wed, Apr 26, 2023 at 04:50:49PM -0700, Paul E. McKenney wrote: > > > vmlinux.o: warning: objtool: exc_nmi+0x2b3: call to __const_udelay() leaves .noinstr.text section > > > > What does > > > > ./scripts/faddr2line vmlinux.o exc_nmi+0x2b3 > > > > say? > > $ ./scripts/faddr2line vmlinux.o exc_nmi+0x2b3 > exc_nmi+0x2b3/0x3c0: > exc_nmi at ??:? > > Which might mean something to you, but does not look all that helpful > to me. :-/
This means DWARF is missing. Can you enable one of the CONFIG_DEBUG_INFO_DWARF* options and try that again?
And yes, we should improve the error message for faddr2line.
-- Josh
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