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txykumat
Tux's lil' helper
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Joined: 24 Nov 2014
Posts: 104

PostPosted: Wed Apr 22, 2015 5:15 pm    Post subject: .config missing Reply with quote

I did depclean and it deleted .confing file I have a file named config-3.18.9-gentoo and its content as follows:

Code:

#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 3.18.9-gentoo Kernel Configuration
#

#
# Gentoo Linux
#
CONFIG_GENTOO_LINUX=y
CONFIG_GENTOO_LINUX_UDEV=y

#
# Support for init systems, system and service managers
#
CONFIG_GENTOO_LINUX_INIT_SCRIPT=y
# CONFIG_GENTOO_LINUX_INIT_SYSTEMD is not set
CONFIG_64BIT=y
CONFIG_X86_64=y
CONFIG_X86=y
CONFIG_INSTRUCTION_DECODER=y
CONFIG_PERF_EVENTS_INTEL_UNCORE=y
CONFIG_OUTPUT_FORMAT="elf64-x86-64"
CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=y
CONFIG_MMU=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_SG_DMA_LENGTH=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_ARCH_HAS_CPU_RELAX=y
CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
CONFIG_HAVE_SETUP_PER_CPU_AREA=y
CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y
CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
CONFIG_ZONE_DMA32=y
CONFIG_AUDIT_ARCH=y
CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_HAVE_INTEL_TXT=y
CONFIG_X86_64_SMP=y
CONFIG_X86_HT=y
CONFIG_ARCH_HWEIGHT_CFLAGS="-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11"
CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
CONFIG_IRQ_WORK=y
CONFIG_BUILDTIME_EXTABLE_SORT=y

#
# General setup
#
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_CROSS_COMPILE=""
# CONFIG_COMPILE_TEST is not set
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_BZIP2=y


can I rename this file as .config put it in the linux-3.18.11-gentoo folder and use it as template?
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xaviermiller
Administrator
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Joined: 23 Jul 2004
Posts: 7972
Location: ~Brussels - Belgique

PostPosted: Wed Apr 22, 2015 5:21 pm    Post subject: Reply with quote

Yes, you can do it, then do a
Code:
make oldconfig
to make the .config compatible with the 3.18
and do a rapid check with
Code:
make menuconfig
on the main points : partitions, primary disk chipset, network drivers, ...
_________________
Kind regards,
Xavier Miller
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txykumat
Tux's lil' helper
Tux's lil' helper


Joined: 24 Nov 2014
Posts: 104

PostPosted: Wed Apr 22, 2015 5:22 pm    Post subject: Reply with quote

xaviermiller wrote:
Yes, you can do it, then do a
Code:
make oldconfig
to make the .config compatible with the 3.18
and do a rapid check with
Code:
make menuconfig
on the main points : partitions, primary disk chipset, network drivers, ...


Thank you!
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dmpogo
Advocate
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Joined: 02 Sep 2004
Posts: 2512
Location: Canada

PostPosted: Wed Apr 22, 2015 7:26 pm    Post subject: Reply with quote

If the correspondent option was compiled into kernel, you can also get .config of the running kernel from /proc/config.gz (it is gzipped, so copy into into .config.gz and gunzip)
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txykumat
Tux's lil' helper
Tux's lil' helper


Joined: 24 Nov 2014
Posts: 104

PostPosted: Thu Apr 23, 2015 12:27 am    Post subject: Reply with quote

thank you, i found a copy gzipped in /proc, yay!
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