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Date: Fri, 16 Sep 2022 13:25:19 -0300 From: Martin Rodriguez Reboredo <yakoyoku@...il.com> To: Thorsten Leemhuis <linux@...mhuis.info> Cc: Jiri Olsa <jolsa@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org, stable@...r.kernel.org Subject: Re: [PATCH 5.15 102/107] kbuild: Add skip_encoding_btf_enum64 option to pahole On 9/16/22 07:21, Thorsten Leemhuis wrote: > On 06.09.22 14:31, Greg Kroah-Hartman wrote: >> From: Martin Rodriguez Reboredo <yakoyoku@...il.com> >> >> New pahole (version 1.24) generates by default new BTF_KIND_ENUM64 BTF tag, >> which is not supported by stable kernel. > > Martin, when you wrote "not supported by stable kernel", did you mean > just 5.15.y or 5.19.y as well? Because I ran into... > >> As a result the kernel with CONFIG_DEBUG_INFO_BTF option will fail to >> compile with following error: >> >> BTFIDS vmlinux >> FAILED: load BTF from vmlinux: Invalid argument > > ...this compile error when compiling 5.19.9 for F37 and from a quick > look into this it seems this was caused by a update of dwarves to 1.24 > that recently landed in that distribution. This patch seems to fix the > problem (it got past the point of the error, but modules are still > compiling). Thorsten, by stable I've meant both current stable and longterm, i.e. 5.19 and below, and yes, I didn't sent a patch according to the stable submission guidelines for 5.19 in time so I apologize for that. Gonna send the patch for it. Thanks for reminding me.
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