On 7/23/21 8:29 PM, Ulrich Mueller wrote:
On Fri, 23 Jul 2021, Alice wrote:On 7/23/21 6:04 AM, Ulrich Mueller wrote:Maybe this is a stupid question, but what is USE=deblob doing these days anyway? I thought that all nonfree firmware had been removed from the kernel tree (with version 4.14) and was provided separately by the sys-kernel/linux-firmware package?There are still users that want a full libre(deblob) kernel. There are also distributions built around libre(deblob) kernel. deblob is still removing many modules from the kernel that are non-free you can see for exemple is removing things also on most recent kernels https://www.fsfla.org/svn/fsfla/software/linux-libre/releases/tags/5.13-gnu/deblob-5.13I know, but I still wonder what it actually does. I've checked the first 10 or so files in their list, and they all say in their header that they are under a free software license. So does that mean the license info in these files is wrong? If not, then why is the script touching them? Also, (e.g.) this: | announce MICROCODE_INTEL - "Intel microcode patch loading support" | reject_firmware arch/x86/kernel/cpu/microcode/intel.c | clean_blob arch/x86/kernel/cpu/microcode/intel.c | clean_blob arch/x86/events/intel/core.c | clean_kconfig arch/x86/Kconfig MICROCODE_INTEL | clean_mk CONFIG_MICROCODE_INTEL arch/x86/kernel/cpu/microcode/Makefile IIUC, it will disable CPU microcode updates. The code being removed is entirely free (but it could load some non-free third-party microcode). Do we really endorse that, from a security (spectre, meltdown, etc.) point of view? Note that the ex-factory microcode of these CPUs is already non-free, so arguably rejecting updates for it doesn't change anything. Ulrich
Gentoo is about choice. if there are users that want to use deblob I don't see why we don't have to add the option.
do you want to suggest any warn message that deblob option can give from a security point of view ?
-- Thanks, Alicef
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