Messages in this thread | | | Subject | Re: [PATCH 5.15 00/72] 5.15.13-rc2 review | From | Shuah Khan <> | Date | Wed, 5 Jan 2022 08:17:43 -0700 |
| |
On 1/5/22 7:56 AM, Greg Kroah-Hartman wrote: > On Wed, Jan 05, 2022 at 06:32:43PM +0530, Jeffrin Jose T wrote: >> On Tue, 2022-01-04 at 08:41 +0100, Greg Kroah-Hartman wrote: >>> This is the start of the stable review cycle for the 5.15.13 release. >>> There are 72 patches in this series, all will be posted as a response >>> to this one. If anyone has any issues with these being applied, please >>> let me know. >>> >>> Responses should be made by Thu, 06 Jan 2022 07:38:29 +0000. >>> Anything received after that time might be too late. >>> >>> The whole patch series can be found in one patch at: >>> >>> https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.13-rc2.gz >>> or in the git tree and branch at: >>> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux- >>> stable-rc.git linux-5.15.y >>> and the diffstat can be found below. >>> >>> thanks, >>> >>> greg k-h >>> >> hello, >> >> There was a compilation error.... >> >> -----------x--------------x------------------x-- >> MODPOST vmlinux.symvers >> MODINFO modules.builtin.modinfo >> GEN modules.builtin >> BTF: .tmp_vmlinux.btf: pahole (pahole) is not available >> Failed to generate BTF for vmlinux >> Try to disable CONFIG_DEBUG_INFO_BTF >> make: *** [Makefile:1183: vmlinux] Error 1 > > Is this a regression? If so, what commit caused this? > >> i did CONFIG_DEBUG_INFO_BTF=n in .config and then compilation was >> success. > > Or you can install pahole, right? That's a requirement for that build > option I think. >
Looks like some distros enabled this option - either disable the option or install pahole. Not a regression.
Keep in mind that CONFIG_DEBUG_INFO_BTF is a dependency to build bpf tests. bpf build pulls kernel defines from BTF to generate a header file. Not desirable to generate header that conflicts with standard libgcc defines which is not relevant to this conversation.
thanks, -- Shuah
| |