Messages in this thread | | | Date | Mon, 29 Nov 2021 12:43:55 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH] recordmcount: Support empty section from recent binutils |
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On Fri, 26 Nov 2021 08:43:23 +0000 LEROY Christophe <christophe.leroy@csgroup.eu> wrote:
> Le 24/11/2021 à 15:43, Christophe Leroy a écrit : > > Looks like recent binutils (2.36 and over ?) may empty some section, > > leading to failure like: > > > > Cannot find symbol for section 11: .text.unlikely. > > kernel/kexec_file.o: failed > > make[1]: *** [scripts/Makefile.build:287: kernel/kexec_file.o] Error 1 > > > > In order to avoid that, ensure that the section has a content before > > returning it's name in has_rel_mcount(). > > This patch doesn't work, on PPC32 I get the following message with this > patch applied: > > [ 0.000000] ftrace: No functions to be traced? > > Without the patch I get: > > [ 0.000000] ftrace: allocating 22381 entries in 66 pages > [ 0.000000] ftrace: allocated 66 pages with 2 groups
Because of this report, I have not applied this patch (even though I was about to push it to Linus).
I'm pulling it from my queue until this gets resolved.
Thanks,
-- Steve
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