2.4.0-Prerelease :smp_num_cpus undefined while compiling without smp for Athlon

2.4.0-Prerelease :smp_num_cpus undefined while compiling without smp for Athlon

[François Isabelle]

in smp.h macro
#define smp_num_cpus
etc...
have no effect on the kernel_stat.h file .

if might be undefined or declared elsewhere as an int or such...I added
#define smp_test_num_cpus
and replaced the occurence in kernel_stat.h and it worked ok

and tried to find where the smp_num_cpus define was getting screwed...
no success.

this have the effect of unbuildable kernel with options: smp off and
athlon on, i don't know about other problematic configurations.
I have gcc version 2.96
and make 3.78.1

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Re: 2.4.0-Prerelease :smp_num_cpus undefined while compiling without smp for Athlon

[Manfred]

Look at include/linux/smp.h: on SMP, it includes <asm/smp.h>, on UP it
contains a

#define smp_num_cpus	1

I assume that someone directly includes <asm/smp.h>.

Try to add a 

#ifndef __LINUX_SMP_H
#error Found it!
#endif

to the beginning of <asm-alpha/smp.h>

--
	Manfred
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