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On 07/20/2016 07:38 PM, Fernando Rodriguez wrote: |
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> On 07/20/2016 02:54 PM, Neil Bothwick wrote: |
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>> On Wed, 20 Jul 2016 14:33:04 -0400, Fernando Rodriguez wrote: |
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> |
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>>> I don't use gentoo sources but I remember reading about gentoo patches |
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>>> for processor specific optimizations and being tempted to try them. Is |
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>>> it possible that is what you're refering to? |
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>>> |
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>>> The vanilla sources only shows 5 choices for me on amd64: |
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>>> (X) Opteron/Athlon64/Hammer/K8 |
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>>> ( ) Intel P4 / older Netburst based Xeon |
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>>> ( ) Core 2/newer Xeon |
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>>> ( ) Intel Atom |
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>>> ( ) Generic-x86-64 |
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>>> |
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>>> And it shows a different set of options when I run it on an x86 machine. |
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> |
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>> That's what I get here, but help lists all the ones I get in |
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>> gentoo-sources, apart from MNATIVE, which indicates to me that those |
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>> options should be available, once I work out how to switch them on. |
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> |
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> Disable CONFIG_64BIT and you'll get them all. |
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And for future references, here's how I found out: |
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1. On the sources where you have the options highlight one of them and |
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press ? (help). You'll see X86_32 under "Depends on:". |
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|
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2. Hit ESC twice and then twice again to return to a menu with |
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search functionality. Then type /X86_32 and hit enter. You'lll see that |
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the option depends on !64BIT, so you need to disable CONFIG_64BIT for |
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X86_32 to be available. |
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|
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3. After disabling CONFIG_64BIT on the kernel where the options where missing |
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I searched X86_32 again and this time it has [=y] next to it so it came |
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on automatically and the options showed up but for some options you need to |
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enable manually after enabling the dependencies. |
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|
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- -- |
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|
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Fernando Rodriguez |
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