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Peter Ruskin wrote: |
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> On Monday 06 December 2004 05:09, Ow Mun Heng wrote: |
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> |
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>>PS : Your signature noted that you're runnning 2.6.9-r6-regparm. |
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>>What's Regparm |
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> |
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> |
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> I just added "-regparm" to "EXTRAVERSION" in the kernel source |
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> Makefile to remind me that I had set CONFIG_REGPARM=y (Processor |
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> type and features): |
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> |
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> "Use register arguments (EXPERIMENTAL) (REGPARM) |
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> |
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> Compile the kernel with -mregparm=3. This uses an different ABI and |
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> passes the first three arguments of a function call in registers. |
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> This will probably break binary only modules. |
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Like the ATI drivers, if you use them (which I do), thus presumably also |
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the nVidia drivers, if you use them. So I don't use this setting myself, |
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tasty as it looks. |
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Just a note, before Ow Mung goes recompiling his kernel to enable this ;-) . |
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Holly |
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> |
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> This feature is only enabled for gcc-3.0 and later - earlier |
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> compilers generate incorrect output with certain kernel constructs |
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> when-mregparm=3 is used." |
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> |
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-- |
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