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On 27/02/14 21:49, Samuli Suominen wrote: |
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> On 27/02/14 19:24, Dan Johansson wrote: |
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>> On 26.02.2014 22:24, Poison BL. wrote: |
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>>> On Wed, Feb 26, 2014 at 2:58 PM, Tanstaafl <tanstaafl@×××××××××××.org> wrote: |
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>>>> Hello all, |
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>>>> |
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>>>> This is for those of use who to choose to roll our kernels by hand... |
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>>>> |
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>>>> So, am I missing something? |
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>>>> |
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>>>> Given the most recent gentoo news item: |
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>>>> |
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>>>>> # eselect news read 10 |
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>>>>> 2014-02-25-udev-upgrade |
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>>>>> Title Upgrade to >=sys-fs/udev-210 |
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>>>>> Author Samuli Suominen <ssuominen@g.o> |
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>>>>> Posted 2014-02-25 |
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>>>>> Revision 1 |
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>>>>> |
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>>>>> The options CONFIG_FHANDLE and CONFIG_NET are now required in the kernel. |
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>>>> Whenever kernel config options are provided like this, it would be nice if |
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>>>> time was taken to provide the path to where they are found. |
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>>>> |
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>>>> I had to find the first one (CONFIG_FHANDLE) by: |
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>>>> |
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>>>> 1. grepping .config, seeing it wasn't enabled, |
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>>>> 2. running make menuconfig and searching for 'FHANDLE', |
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>>>> 3. seeing it is located in 'General setup', |
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>>>> 4. scouring the General setup options, finding no 'FHANLDE' anywhere, |
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>>>> 5. finding something in all lowercase named 'open by fhanlde syscalls', |
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>>>> 6. enabling this option, saving the modified config, |
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>>>> 7. confirming it is now enabled by grepping .config again |
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>>>> |
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>>>> Sheesh. Really? |
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>>>> |
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>>>> Would be nice if the news item had something like |
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>>>> CONFIG_FHANDLE (General setup > 'open by fhandle syscalls') |
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>>>> and |
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>>>> CONFIG_NET (still don't know which one this is??) |
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>>>> |
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>>>> Wackadoo... |
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>>>> |
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>>> When I search FHANDLE in menuconfig I get: |
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>>> |
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>>> │ Symbol: FHANDLE [=y] |
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>>> │ Type : boolean |
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>>> │ Prompt: open by fhandle syscalls |
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>>> │ Location: |
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>>> │ (1) -> General setup |
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>>> │ Defined at init/Kconfig:235 |
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>>> │ Selects: EXPORTFS [=y] |
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>>> │ Selected by: GENTOO_LINUX_INIT_SYSTEMD [=y] && GENTOO_LINUX [=y] |
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>>> && GENTOO_LINUX_UDEV [=y] |
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>>> |
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>>> This clearly states that the prompt you're looking for is a line that |
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>>> says "open by fhandle syscalls" under "General setup" |
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>>> |
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>>> Sure, it's not the absolute simplest interface (i.e. it doesn't give a |
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>>> 'enable this' in the search results) but it does give all the |
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>>> necessary information about a given option to find it (as well as |
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>>> dependencies and their current states, etc). The most likely reason |
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>>> the news item doesn't list the specific "prompt" text (or even the |
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>>> category) is that, across even sub release versions of the kernel |
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>>> those are prone to change (and, at times, drastically) while the |
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>>> actual CONFIG_<name> option tends to be fairly static through time |
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>>> once it exists (even when superseded by new toys, i.e. older |
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>>> IDE/ATA/ATAPI options vs newer PATA options). |
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>> But if you press "1" in the example above you will "jump" directly to |
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>> the menu item. Clue --> (1) |
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>> |
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>> Regards, |
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> Seriously, I've known / for years and have had no issues finding anything |
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> myself, but this small information is still news to me. |
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> Nice one. |
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> |
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> - Samuli |
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> |
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|
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Someone just pointed out to me at IRC this was introduced only at Linux |
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>= 3.8'ish (he wasn't entirely sure) |
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So, it's relatively new, I suppose that'd explain it |
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