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Dale wrote: |
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> Stroller wrote: |
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>> On 2 Feb 2009, at 03:46, Dale wrote: |
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>>>> ... |
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>>>> I think I tried this &/or genkernel & when I looked at /boot I found |
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>>>> they'd littered the place with clutter. |
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>>>> |
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>>>> I hope you won't be offended, but the amount of junk files this added |
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>>>> made me want to barf. |
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>>>> |
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>>>> I have avoided any such "complications" since, considering I don't |
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>>>> consider copying a file & editing grub.conf to be anything of a |
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>>>> complication myself. |
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>>>> ... |
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>>> I think I read somewhere that system.map file is no longer needed, |
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>>> unless you want to set up things in a "odd" way. Is that correct? |
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>> I've certainly never needed it, in several years since 2.4 kernels. |
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>> But IIRC it is/was copied over when using these "automated kernel |
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>> installation methods". |
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>> |
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>> Stroller. |
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>> |
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> |
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> I think that is how mine got there to. I may rename mine and reboot and |
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> see what blows up. |
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> |
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> Dale |
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> |
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> :-) :-) |
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> |
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> |
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|
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If I remember correctly, it is only used by depmod, and only if you pass |
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the file name on the command line. update-modules, which calls depmod, |
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and tends to be the main way that depmod is called (besides in the |
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kernel Makefile), searches the following directories for the System.map |
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file: |
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/lib/modules/${KV}/build |
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/usr/src/linux-${KV} |
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/lib/modules/${KV} |
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/boot |
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/usr/src/linux |
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|
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In each directory, it looks for the file in this order: |
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System.map-genkernel-${arch}-${KV} |
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System.map-genkernel-*-${KV} |
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System.map-${KV} |
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System.map |
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|
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What this effectively means is that the copy in /boot is a backup copy, |
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just in case you clean the current build of your kernel |
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(/lib/modules/${KV}/build is a symlink to the build directory of your |
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kernel build, which can differ from the source directory) |
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|
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tl;dr version: It won't blow up immediately, but you might run into |
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problems later if you `make clean` or `make mrproper` in the build tree |
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- - or build a different kernel in the same tree. |
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|
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- -- |
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ABCD |
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