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| author | pirzyk <pirzyk@FreeBSD.org> | 2002-10-17 05:51:36 +0000 |
|---|---|---|
| committer | pirzyk <pirzyk@FreeBSD.org> | 2002-10-17 05:51:36 +0000 |
| commit | e34215c0e9b97b01f0009ef2e9e8038f716a1c22 (patch) | |
| tree | b8fceb3ca0bfde5c10f875ef76cb48ccac17cd82 /sys/i386 | |
| parent | 35c72bc070edd107a74476dbe14fc4f175b0c676 (diff) | |
| download | FreeBSD-src-e34215c0e9b97b01f0009ef2e9e8038f716a1c22.zip FreeBSD-src-e34215c0e9b97b01f0009ef2e9e8038f716a1c22.tar.gz | |
put an #error directive when SMP and CPU_DISABLE_CMPXCHG are set
together.
Requested by: Lars Eggart <larse@isi.edu>
Enlighted how to do it by: John Baldwin <jhb@freebsd.org>
Diffstat (limited to 'sys/i386')
| -rw-r--r-- | sys/i386/include/smp.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/i386/include/smp.h b/sys/i386/include/smp.h index d669c51..ef5e684 100644 --- a/sys/i386/include/smp.h +++ b/sys/i386/include/smp.h @@ -21,6 +21,9 @@ #if defined(SMP) && !defined(APIC_IO) # error APIC_IO required for SMP, add "options APIC_IO" to your config file. #endif /* SMP && !APIC_IO */ +#if defined(SMP) && defined(CPU_DISABLE_CMPXCHG) +#error SMP not supported with CPU_DISABLE_CMPXCHG +#endif #if defined(SMP) || defined(APIC_IO) |
