Messages in this thread Patch in this message |  | | Date | Sun, 11 May 2003 08:17:53 -0400 (EDT) | From | Zwane Mwaikambo <> | Subject | Re: irq balancing: performance disaster |
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On Sun, 11 May 2003, Jos Hulzink wrote:
> For the Mandrake 2.4.21-0.13mdk kernel, there is no noirqbalance option in the > kernel. I tried to contact the Mandrake guys about this, but unfortunately > their response is 0. This patch also fails badly, and I haven't decided yet > wether I'm willing to help a company which doesn't seem to care at all and > uses pre-kernels in their distribution.
It was a bug in 2.4, fixed in Alan's tree by setting target_cpus to 0xff (previously cpu_online_map). There is no noirqbalance option in 2.4 because there is no in kernel irq balancer.
Zwane
Index: linux-2.4.21-pre1/include/asm-i386/smpboot.h =================================================================== RCS file: /build/cvsroot/linux-2.4.19/include/asm-i386/smpboot.h,v retrieving revision 1.2 diff -u -p -B -r1.2 smpboot.h --- linux-2.4.21-pre1/include/asm-i386/smpboot.h 8 Mar 2003 21:54:33 -0000 1.2 +++ linux-2.4.21-pre1/include/asm-i386/smpboot.h 10 Apr 2003 11:19:05 -0000 @@ -116,6 +116,6 @@ static inline int target_cpus(void) return cpu_online_map; } #else -#define target_cpus() (cpu_online_map) +#define target_cpus() (0xFF) #endif #endif -- function.linuxpower.ca - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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