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< h1 class = "title" > Clear Kernel Build Error? Fix It< / h1 >
< p >
2022-11-06 15:41:33 +08:00
when I compile < a href = "https://github.com/gentoobr/overlay/tree/master/sys-kernel/clear-sources" > Clear< / a > kernel with LLVM enabled, I got this error:< br / >
2022-11-04 16:52:02 +08:00
< / p >
< div class = "org-src-container" >
< pre class = "src src-text" > arch/x86/kernel/cpu/intel_epb.c:172:2: error: call to undeclared function 'sched_set_itmt_power_ratio';
ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
sched_set_itmt_power_ratio(256 - val * 2, cpu);
^
arch/x86/kernel/cpu/intel_epb.c:172:2: note: did you mean 'sched_set_itmt_core_prio'?
./arch/x86/include/asm/topology.h:189:20: note: 'sched_set_itmt_core_prio' declared here
static inline void sched_set_itmt_core_prio(int prio, int core_cpu)
^
1 error generated.
< / pre >
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< p >
2022-11-04 18:46:19 +08:00
it's obvious that the < a href = "https://github.com/clearlinux-pkgs/linux/blob/main/0128-itmt_epb-use-epb-to-scale-itmt.patch" > sched_set_itmt_power_ratio< / a > function is undeclared< br / >
so I added the following like the function on top of it< br / >
and it is able to compile :)< br / >
2022-11-04 16:52:02 +08:00
< / p >
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2022-11-04 18:46:19 +08:00
< pre class = "src src-diff" > < span style = "font-weight: bold;" > --- < / span > < span style = "font-weight: bold;" > /home/gentoo/linux/topology.h< / span >
< span style = "font-weight: bold;" > +++ < / span > < span style = "font-weight: bold;" > arch/x86/include/asm/topology.h< / span >
2022-11-04 16:52:02 +08:00
< span style = "font-weight: bold;" > @@ -189,6 +189,9 @@< / span >
static inline void sched_set_itmt_core_prio(int prio, int core_cpu)
{
}
+static inline void sched_set_itmt_power_ratio(int prio, int core_cpu)
+{
+}
static inline int sched_set_itmt_support(void)
{
return 0;
< / pre >
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< p >
2022-11-04 18:46:19 +08:00
Notice: I'm ignorant about C programming, so if anything's wrong, please contact me< br / >
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< / p >
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< div id = "postamble" class = "status" >
2022-11-06 15:41:33 +08:00
2022-11-04 16:52:02 +08:00
< p class = "author" > Author: dongdigua< / p >
2022-11-06 15:41:33 +08:00
< p class = "date" > Date: 2022-11-04 五 00:00< / p >
< p class = "date" > Build: 2022-11-06 日 15:39< / p >
2022-11-04 16:52:02 +08:00
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