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On 10/24/13 12:58, Adam Carter wrote: |
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> The CFLAGs used when building the kernel are set in the Makefile; # |
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> grep HOSTCFLAGS /usr/src/linux/Makefile HOSTCFLAGS = -Wall |
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> -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer |
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> |
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> To build with other flags you set CFLAGS_KERNEL, so i've added a |
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> suitable -march to the standard ones for my system; export |
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> CFLAGS_KERNEL=" -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 |
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> -fomit-frame-pointer -pipe -march=amdfam10" |
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> |
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> then make, install, reboot. In my case the riced kernel is the same |
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> size as the regular one, but the md5 is different. Its been up for |
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> an hour with no obvious issues, and does seem snappier, but of |
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> course my brain is full of cognitive bias. Has anyone else played |
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> with this? Any good or bad outcomes? |
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> |
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I was thinking of compiling The Kernel with custom cflags, but never |
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tried. Looking forward to your report. |
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