diff options
author | attilio <attilio@FreeBSD.org> | 2011-07-19 00:37:24 +0000 |
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committer | attilio <attilio@FreeBSD.org> | 2011-07-19 00:37:24 +0000 |
commit | a73e834ebb2ee705e131501fdea63d05aadae527 (patch) | |
tree | 05f7da2af94ce8adb51cef94323beaa68ef121a7 | |
parent | f3caef077b39887e5b737c600ec46379c99b7dc0 (diff) | |
download | FreeBSD-src-a73e834ebb2ee705e131501fdea63d05aadae527.zip FreeBSD-src-a73e834ebb2ee705e131501fdea63d05aadae527.tar.gz |
Add the possibility to specify from kernel configs MAXCPU value.
This patch is going to help in cases like mips flavours where you
want a more granular support on MAXCPU.
No MFC is previewed for this patch.
Tested by: pluknet
Approved by: re (kib)
-rw-r--r-- | sys/amd64/include/param.h | 2 | ||||
-rw-r--r-- | sys/arm/include/param.h | 2 | ||||
-rw-r--r-- | sys/conf/NOTES | 4 | ||||
-rw-r--r-- | sys/conf/options | 1 | ||||
-rw-r--r-- | sys/i386/include/param.h | 2 | ||||
-rw-r--r-- | sys/ia64/include/param.h | 2 | ||||
-rw-r--r-- | sys/mips/include/param.h | 2 | ||||
-rw-r--r-- | sys/powerpc/include/param.h | 2 | ||||
-rw-r--r-- | sys/sparc64/include/param.h | 2 |
9 files changed, 19 insertions, 0 deletions
diff --git a/sys/amd64/include/param.h b/sys/amd64/include/param.h index 9a742f9..74d4d21 100644 --- a/sys/amd64/include/param.h +++ b/sys/amd64/include/param.h @@ -64,7 +64,9 @@ #endif #if defined(SMP) || defined(KLD_MODULE) +#ifndef MAXCPU #define MAXCPU 32 +#endif #else #define MAXCPU 1 #endif diff --git a/sys/arm/include/param.h b/sys/arm/include/param.h index 1694bc4..96a70388f 100644 --- a/sys/arm/include/param.h +++ b/sys/arm/include/param.h @@ -61,7 +61,9 @@ #define MID_MACHINE MID_ARM6 #if defined(SMP) || defined(KLD_MODULE) +#ifndef MAXCPU #define MAXCPU 2 +#endif #else #define MAXCPU 1 #endif /* SMP || KLD_MODULE */ diff --git a/sys/conf/NOTES b/sys/conf/NOTES index d3951e3..0753c1d 100644 --- a/sys/conf/NOTES +++ b/sys/conf/NOTES @@ -213,6 +213,10 @@ options SCHED_STATS # Mandatory: options SMP # Symmetric MultiProcessor Kernel +# MAXCPU defines the maximum number of CPUs that can boot in the system. +# A default value should be already present, for every architecture. +options MAXCPU=32 + # ADAPTIVE_MUTEXES changes the behavior of blocking mutexes to spin # if the thread that currently owns the mutex is executing on another # CPU. This behaviour is enabled by default, so this option can be used diff --git a/sys/conf/options b/sys/conf/options index 9f1ac80..b8f9958 100644 --- a/sys/conf/options +++ b/sys/conf/options @@ -570,6 +570,7 @@ DFLTPHYS opt_global.h DIAGNOSTIC opt_global.h INVARIANT_SUPPORT opt_global.h INVARIANTS opt_global.h +MAXCPU opt_global.h MAXPHYS opt_global.h MCLSHIFT opt_global.h MUTEX_DEBUG opt_global.h diff --git a/sys/i386/include/param.h b/sys/i386/include/param.h index d95fcf3..6a0495c4 100644 --- a/sys/i386/include/param.h +++ b/sys/i386/include/param.h @@ -68,7 +68,9 @@ #define MID_MACHINE MID_I386 #if defined(SMP) || defined(KLD_MODULE) +#ifndef MAXCPU #define MAXCPU 32 +#endif #else #define MAXCPU 1 #endif /* SMP || KLD_MODULE */ diff --git a/sys/ia64/include/param.h b/sys/ia64/include/param.h index 36b27e0..a3684ab 100644 --- a/sys/ia64/include/param.h +++ b/sys/ia64/include/param.h @@ -62,7 +62,9 @@ #endif #if defined(SMP) || defined(KLD_MODULE) +#ifndef MAXCPU #define MAXCPU 32 +#endif #else #define MAXCPU 1 #endif diff --git a/sys/mips/include/param.h b/sys/mips/include/param.h index 0b1ea98..5f25c81 100644 --- a/sys/mips/include/param.h +++ b/sys/mips/include/param.h @@ -87,7 +87,9 @@ #ifdef SMP #define MAXSMPCPU 32 +#ifndef MAXCPU #define MAXCPU MAXSMPCPU +#endif #else #define MAXSMPCPU 1 #define MAXCPU 1 diff --git a/sys/powerpc/include/param.h b/sys/powerpc/include/param.h index 06b131c..f95cc08 100644 --- a/sys/powerpc/include/param.h +++ b/sys/powerpc/include/param.h @@ -68,7 +68,9 @@ #endif #if defined(SMP) || defined(KLD_MODULE) +#ifndef MAXCPU #define MAXCPU 8 +#endif #else #define MAXCPU 1 #endif /* SMP || KLD_MODULE */ diff --git a/sys/sparc64/include/param.h b/sys/sparc64/include/param.h index af026b2..9d11a2f 100644 --- a/sys/sparc64/include/param.h +++ b/sys/sparc64/include/param.h @@ -50,7 +50,9 @@ #define MID_MACHINE MID_SPARC64 #if defined(SMP) || defined(KLD_MODULE) +#ifndef MAXCPU #define MAXCPU 16 +#endif #else #define MAXCPU 1 #endif /* SMP || KLD_MODULE */ |