[Q] New Kernel Compilation Error ??? - HTC EVO 3D

I am trying to compile the new kernel and keep getting this error:
Code:
CHK include/linux/version.h
CHK include/generated/utsrelease.h
make[1]: `include/generated/mach-types.h' is up to date.
CC arch/arm/kernel/asm-offsets.s
In file included from include/linux/dma-mapping.h:93,
from arch/arm/kernel/asm-offsets.c:15:
/home/smokin/kernel/arch/arm/include/asm/dma-mapping.h: In function 'dma_cache_post_ops':
/home/smokin/kernel/arch/arm/include/asm/dma-mapping.h:442: error: implicit declaration of function 'arch_has_speculative_dfetch'
make[1]: *** [arch/arm/kernel/asm-offsets.s] Error 1
make: *** [prepare0] Error 2
I am new to kernel dev and can't seem to track this one down. Anyone know how to fix it ?

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smokin1337 said:
I am trying to compile the new kernel and keep getting this error:
Code:
CHK include/linux/version.h
CHK include/generated/utsrelease.h
make[1]: `include/generated/mach-types.h' is up to date.
CC arch/arm/kernel/asm-offsets.s
In file included from include/linux/dma-mapping.h:93,
from arch/arm/kernel/asm-offsets.c:15:
/home/smokin/kernel/arch/arm/include/asm/dma-mapping.h: In function 'dma_cache_post_ops':
/home/smokin/kernel/arch/arm/include/asm/dma-mapping.h:442: error: implicit declaration of function 'arch_has_speculative_dfetch'
make[1]: *** [arch/arm/kernel/asm-offsets.s] Error 1
make: *** [prepare0] Error 2
I am new to kernel dev and can't seem to track this one down. Anyone know how to fix it ?
Click to expand...
Click to collapse
It is said here in the Forums, that the uploaded Files are corrupted and Not able to be compiled...have to wait until HTC fixes this.
Sent from my HTC EVO 3D X515m using xda premium

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smokin1337 said:
I am trying to compile the new kernel and keep getting this error:
Code:
CHK include/linux/version.h
CHK include/generated/utsrelease.h
make[1]: `include/generated/mach-types.h' is up to date.
CC arch/arm/kernel/asm-offsets.s
In file included from include/linux/dma-mapping.h:93,
from arch/arm/kernel/asm-offsets.c:15:
/home/smokin/kernel/arch/arm/include/asm/dma-mapping.h: In function 'dma_cache_post_ops':
/home/smokin/kernel/arch/arm/include/asm/dma-mapping.h:442: error: implicit declaration of function 'arch_has_speculative_dfetch'
make[1]: *** [arch/arm/kernel/asm-offsets.s] Error 1
make: *** [prepare0] Error 2
I am new to kernel dev and can't seem to track this one down. Anyone know how to fix it ?
Click to expand...
Click to collapse
simple answer: as posted above, if it doesn't compile properly from HTC, as the last kernel release from them also didn't, it probably won't be an *easy* fix.
warning: the technical method i suggest might only lead deeper and deeper, but it is a generally good strategy to research and resolve compiling issues.
technical research method: without having looked at this kernel source or researched the error, i would start searching for the implicit declarion of function 'arch_has_speculative_dfetch' in the dma-mapping.h file at line 442. it should be declared and setup in some file, so i'd grep through the files for it. grep -irs arch_has_speculative_dfetch /home/smokin/kernel/arch/arm/include/asm/*
depending on the results, the grep search might have to be expanded so i'd move up a level. might have a lot of results to search through but it is usually a great learning experience.
as a beginner, i would suggest watching http://github.com/toastcfh as toastcfh does a great job fixing the error laden kernel source code HTC releases. generally, toastcfh's patched kernels are used by all the popular kernel releases and will more than likely be the base kernel used by cm7.
hope that helps!

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Thanks !! That helps alot, considering i wasn't sure if i had the toolchain setup right. I appreciate it.

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smokin1337 said:
Thanks !! That helps alot, considering i wasn't sure if i had the toolchain setup right. I appreciate it.
Click to expand...
Click to collapse
ah, you didnt mention that before!
if you want to test your toolchain, i'd clone/fork toastcfh's repo for the previous evo 3d kernel release. it should cleanly compile, no issues. that'll be a great test for your toolchain and to give you some confidence in compiling the kernel with *proper* source code.
toastcfh worked some magic to fix htc's last borked kernel release code by pulling files from caf (code aurora forum - code contributor) and probably lots of other complicated coding/compiling tweaks.
hope that helps at least get you ready for the next proper kernel source code!

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I took your advice and got toastcfh source and i got the same error with crc. I guess i'm missing something, probably a stupid dependency.

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HTC jetstream error
smokin1337 said:
I took your advice and got toastcfh source and i got the same error with crc. I guess i'm missing something, probably a stupid dependency.
Click to expand...
Click to collapse
I am getting same error for htc jetstream source code and i am not able to figure out which toastcfh to use. So can you help me with the same
/puccini_lte_att_wwe_hc-32-crc-2.6.35/arch/arm/include/asm/dma-mapping.h: In function 'dma_cache_post_ops':
/puccini_lte_att_wwe_hc-32-crc-2.6.35/arch/arm/include/asm/dma-mapping.h:442: error: implicit declaration of function 'arch_has_speculative_dfetch'
make[1]: *** [arch/arm/kernel/asm-offsets.s] Error 1
Can you please let me know how to get the fix for this one.
-Khushboo